diff --git a/CMakeLists.txt b/CMakeLists.txt
index f292361d5..7e618f7ea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,45 +3,28 @@ cmake_policy(SET CMP0015 NEW)
 aux_source_directory(. SRC_LIST)
 list(REMOVE_ITEM SRC_LIST "./createRandomTest.cpp")
 
+include_directories(${CRYPTOPP_INCLUDE_DIRS})
+include_directories(${JSONCPP_INCLUDE_DIRS})
+include_directories(${JSON_RPC_CPP_INCLUDE_DIRS})
 include_directories(..)
 
 file(GLOB HEADERS "*.h")
 add_executable(testeth ${SRC_LIST} ${HEADERS})
 add_executable(createRandomTest createRandomTest.cpp vm.cpp TestHelper.cpp)
 
+target_link_libraries(testeth ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY_RELEASE})
+target_link_libraries(testeth ${CURL_LIBRARIES})
 target_link_libraries(testeth ethereum)
 target_link_libraries(testeth ethcore)
 target_link_libraries(testeth secp256k1)
-target_link_libraries(testeth gmp)
 target_link_libraries(testeth solidity)
-target_link_libraries(testeth ${CRYPTOPP_LS})
 target_link_libraries(testeth webthree)
-if(JSONRPC_LS)
-target_link_libraries(testeth web3jsonrpc)
+
+if (JSONRPC)
+	target_link_libraries(testeth web3jsonrpc)
+	target_link_libraries(testeth ${JSON_RPC_CPP_CLIENT_LIBRARIES})
 endif()
 
+target_link_libraries(createRandomTest ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY_RELEASE})
 target_link_libraries(createRandomTest ethereum)
 target_link_libraries(createRandomTest ethcore)
-target_link_libraries(createRandomTest boost_chrono)
-target_link_libraries(createRandomTest boost_unit_test_framework)
-
-if ("${TARGET_PLATFORM}" STREQUAL "w64")
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static-libgcc -static-libstdc++")
-	target_link_libraries(testeth boost_system-mt-s)
-	target_link_libraries(testeth boost_filesystem-mt-s)
-	target_link_libraries(testeth boost_thread_win32-mt-s)
-	target_link_libraries(testeth gcc)
-	target_link_libraries(testeth gdi32)
-	target_link_libraries(testeth ws2_32)
-	target_link_libraries(testeth mswsock)
-	target_link_libraries(testeth shlwapi)
-	target_link_libraries(testeth iphlpapi)
-	set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS)
-elseif (UNIX)
-	find_package(Boost 1.53 REQUIRED COMPONENTS unit_test_framework)
-else ()
-	target_link_libraries(testeth boost_system)
-	target_link_libraries(testeth boost_filesystem)	
-	find_package(Threads REQUIRED)
-	target_link_libraries(testeth ${CMAKE_THREAD_LIBS_INIT})
-endif ()
diff --git a/TestHelper.cpp b/TestHelper.cpp
index 1b13f9e82..0c1ee290f 100644
--- a/TestHelper.cpp
+++ b/TestHelper.cpp
@@ -72,6 +72,7 @@ ImportTest::ImportTest(json_spirit::mObject& _o, bool isFiller): m_TestObject(_o
 	if (!isFiller)
 	{
 		importState(_o["post"].get_obj(), m_statePost);
+		m_environment.sub.logs = importLog(_o["logs"].get_array());
 	}
 }
 
@@ -108,9 +109,6 @@ void ImportTest::importState(json_spirit::mObject& _o, State& _state)
 
 		Address address = Address(i.first);
 
-		for (auto const& j: o["storage"].get_obj())
-			_state.setStorage(address, toInt(j.first), toInt(j.second));
-
 		bytes code = importCode(o);
 
 		if (code.size())
@@ -121,6 +119,9 @@ void ImportTest::importState(json_spirit::mObject& _o, State& _state)
 		else
 			_state.m_cache[address] = Account(toInt(o["balance"]), Account::NormalCreation);
 
+		for (auto const& j: o["storage"].get_obj())
+			_state.setStorage(address, toInt(j.first), toInt(j.second));
+
 		for(int i=0; i<toInt(o["nonce"]); ++i)
 			_state.noteSending(address);
 
@@ -148,6 +149,9 @@ void ImportTest::exportTest(bytes _output, State& _statePost)
 	// export output
 	m_TestObject["out"] = "0x" + toHex(_output);
 
+	// export logs
+	m_TestObject["logs"] = exportLog(_statePost.pending().size() ? _statePost.log(0) : LogEntries());
+
 	// export post state
 	json_spirit::mObject postState;
 
@@ -255,6 +259,46 @@ bytes importCode(json_spirit::mObject& _o)
 	return code;
 }
 
+LogEntries importLog(json_spirit::mArray& _a)
+{
+	LogEntries logEntries;
+	for (auto const& l: _a)
+	{
+		json_spirit::mObject o = l.get_obj();
+		// cant use BOOST_REQUIRE, because this function is used outside boost test (createRandomTest)
+		assert(o.count("address") > 0);
+		assert(o.count("topics") > 0);
+		assert(o.count("data") > 0);
+		assert(o.count("bloom") > 0);
+		LogEntry log;
+		log.address = Address(o["address"].get_str());
+		for (auto const& t: o["topics"].get_array())
+			log.topics.push_back(h256(t.get_str()));
+		log.data = importData(o);
+		logEntries.push_back(log);
+	}
+	return logEntries;
+}
+
+json_spirit::mArray exportLog(eth::LogEntries _logs)
+{
+	json_spirit::mArray ret;
+	if (_logs.size() == 0) return ret;
+	for (LogEntry const& l: _logs)
+	{
+		json_spirit::mObject o;
+		o["address"] = toString(l.address);
+		json_spirit::mArray topics;
+		for (auto const& t: l.topics)
+			topics.push_back(toString(t));
+		o["topics"] = topics;
+		o["data"] = "0x" + toHex(l.data);
+		o["bloom"] = toString(l.bloom());
+		ret.push_back(o);
+	}
+	return ret;
+}
+
 void checkOutput(bytes const& _output, json_spirit::mObject& _o)
 {
 	int j = 0;
@@ -285,6 +329,24 @@ void checkStorage(map<u256, u256> _expectedStore, map<u256, u256> _resultStore,
 			BOOST_CHECK_MESSAGE(expectedStoreValue == resultStoreValue, _expectedAddr << ": store[" << expectedStoreKey << "] = " << resultStoreValue << ", expected " << expectedStoreValue);
 		}
 	}
+	BOOST_CHECK_EQUAL(_resultStore.size(), _expectedStore.size());
+#ifndef __WIN32__
+	for (auto&& resultStorePair : _resultStore)
+		if (!_expectedStore.count(resultStorePair.first))
+			BOOST_ERROR(_expectedAddr << ": unexpected store key " << resultStorePair.first);
+#endif
+}
+
+void checkLog(LogEntries _resultLogs, LogEntries _expectedLogs)
+{
+	BOOST_REQUIRE_EQUAL(_resultLogs.size(), _expectedLogs.size());
+
+	for (size_t i = 0; i < _resultLogs.size(); ++i)
+	{
+		BOOST_CHECK_EQUAL(_resultLogs[i].address, _expectedLogs[i].address);
+		BOOST_CHECK_EQUAL(_resultLogs[i].topics, _expectedLogs[i].topics);
+		BOOST_CHECK(_resultLogs[i].data == _expectedLogs[i].data);
+	}
 }
 
 std::string getTestPath()
@@ -310,12 +372,13 @@ void userDefinedTest(string testTypeFlag, std::function<void(json_spirit::mValue
 		string arg = boost::unit_test::framework::master_test_suite().argv[i];
 		if (arg == testTypeFlag)
 		{
-			if (i + 1 >= boost::unit_test::framework::master_test_suite().argc)
+			if (boost::unit_test::framework::master_test_suite().argc <= i + 2)
 			{
-				cnote << "Missing filename\nUsage: testeth " << testTypeFlag << " <filename>\n";
+				cnote << "Missing filename\nUsage: testeth " << testTypeFlag << " <filename> <testname>\n";
 				return;
 			}
 			string filename = boost::unit_test::framework::master_test_suite().argv[i + 1];
+			string testname = boost::unit_test::framework::master_test_suite().argv[i + 2];
 			int currentVerbosity = g_logVerbosity;
 			g_logVerbosity = 12;
 			try
@@ -325,7 +388,19 @@ void userDefinedTest(string testTypeFlag, std::function<void(json_spirit::mValue
 				string s = asString(contents(filename));
 				BOOST_REQUIRE_MESSAGE(s.length() > 0, "Contents of " + filename + " is empty. ");
 				json_spirit::read_string(s, v);
-				doTests(v, false);
+				json_spirit::mObject oSingleTest;
+
+				json_spirit::mObject::const_iterator pos = v.get_obj().find(testname);
+				if (pos == v.get_obj().end())
+				{
+					cnote << "Could not find test: " << testname << " in " << filename << "\n";
+					return;
+				}
+				else
+					oSingleTest[pos->first] = pos->second;
+
+				json_spirit::mValue v_singleTest(oSingleTest);
+				doTests(v_singleTest, false);
 			}
 			catch (Exception const& _e)
 			{
@@ -374,6 +449,7 @@ void executeTests(const string& _name, const string& _testPathAppendix, std::fun
 			{
 				BOOST_ERROR("Failed test with Exception: " << _e.what());
 			}
+			break;
 		}
 	}
 
diff --git a/TestHelper.h b/TestHelper.h
index ef67d52fb..3203eae83 100644
--- a/TestHelper.h
+++ b/TestHelper.h
@@ -25,6 +25,7 @@
 #include <boost/test/unit_test.hpp>
 #include "JsonSpiritHeaders.h"
 #include <libethereum/State.h>
+#include <libevm/ExtVMFace.h>
 
 namespace dev
 {
@@ -67,8 +68,11 @@ 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);
+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 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);
diff --git a/TestHelperCrypto.h b/TestHelperCrypto.h
deleted file mode 100644
index 01e97c21f..000000000
--- a/TestHelperCrypto.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- 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 TestHelperCrypto.h
- * @author Alex Leverington <nessence@gmail.com>
- * @date 2014
- */
-
-#pragma once
-
-#include <libdevcrypto/CryptoPP.h>
-
-using namespace std;
-using namespace CryptoPP;
-
-void SavePrivateKey(const PrivateKey& key, const string& file = "ecies.private.key")
-{
-	FileSink sink(file.c_str());
-	key.Save(sink);
-}
-
-void SavePublicKey(const PublicKey& key, const string& file = "ecies.public.key")
-{
-	FileSink sink(file.c_str());
-	key.Save(sink);
-}
-
-void LoadPrivateKey(PrivateKey& key, const string& file = "ecies.private.key")
-{
-	FileSource source(file.c_str(), true);
-	key.Load(source);
-}
-
-void LoadPublicKey(PublicKey& key, const string& file = "ecies.public.key")
-{
-	FileSource source(file.c_str(), true);
-	key.Load(source);
-}
diff --git a/createRandomTest.cpp b/createRandomTest.cpp
index 60a2039c8..a11688457 100644
--- a/createRandomTest.cpp
+++ b/createRandomTest.cpp
@@ -32,7 +32,7 @@
 #include <libdevcore/CommonIO.h>
 #include <libdevcore/CommonData.h>
 #include <libevmcore/Instruction.h>
-#include <libevm/VM.h>
+#include <libevm/VMFactory.h>
 #include "vm.h"
 
 using namespace std;
@@ -121,14 +121,14 @@ void doMyTests(json_spirit::mValue& v)
 {
 	for (auto& i: v.get_obj())
 	{
+		cnote << i.first;
 		mObject& o = i.second.get_obj();
 
 		assert(o.count("env") > 0);
 		assert(o.count("pre") > 0);
 		assert(o.count("exec") > 0);
 
-		eth::VM vm;
-		test::FakeExtVM fev;
+		dev::test::FakeExtVM fev;
 		fev.importEnv(o["env"].get_obj());
 		fev.importState(o["pre"].get_obj());
 
@@ -141,17 +141,20 @@ void doMyTests(json_spirit::mValue& v)
 			fev.code = fev.thisTxCode;
 		}
 
-		vm.reset(fev.gas);
 		bytes output;
+		auto vm = eth::VMFactory::create(fev.gas);
+
 		u256 gas;
+		bool vmExceptionOccured = false;
 		try
 		{
-			output = vm.go(fev).toBytes();
+			output = vm->go(fev, fev.simpleTrace()).toBytes();
+			gas = vm->gas();
 		}
 		catch (eth::VMException const& _e)
 		{
 			cnote << "VM did throw an exception: " << diagnostic_information(_e);
-			gas = 0;
+			vmExceptionOccured = true;
 		}
 		catch (Exception const& _e)
 		{
@@ -180,9 +183,13 @@ void doMyTests(json_spirit::mValue& v)
 
 		o["env"] = mValue(fev.exportEnv());
 		o["exec"] = mValue(fev.exportExec());
-		o["post"] = mValue(fev.exportState());
-		o["callcreates"] = fev.exportCallCreates();
-		o["out"] = "0x" + toHex(output);
-		fev.push(o, "gas", gas);
+		if (!vmExceptionOccured)
+		{
+			o["post"] = mValue(fev.exportState());
+			o["callcreates"] = fev.exportCallCreates();
+			o["out"] = "0x" + toHex(output);
+			fev.push(o, "gas", gas);
+			o["logs"] = test::exportLog(fev.sub.logs);
+		}
 	}
 }
diff --git a/crypto.cpp b/crypto.cpp
index 06e55658a..291893f59 100644
--- a/crypto.cpp
+++ b/crypto.cpp
@@ -27,9 +27,9 @@
 #include <libdevcore/Log.h>
 #include <libethereum/Transaction.h>
 #include <boost/test/unit_test.hpp>
-#include <libdevcrypto/EC.h>
-#include <libdevcrypto/SHA3MAC.h>
-#include "TestHelperCrypto.h"
+#include <libdevcrypto/SHA3.h>
+#include <libdevcrypto/ECDHE.h>
+#include <libdevcrypto/CryptoPP.h>
 
 using namespace std;
 using namespace dev;
@@ -38,9 +38,41 @@ using namespace CryptoPP;
 
 BOOST_AUTO_TEST_SUITE(devcrypto)
 
+static Secp256k1 s_secp256k1;
+static CryptoPP::AutoSeededRandomPool s_rng;
+static CryptoPP::OID s_curveOID(CryptoPP::ASN1::secp256k1());
+static CryptoPP::DL_GroupParameters_EC<CryptoPP::ECP> s_params(s_curveOID);
+static CryptoPP::DL_GroupParameters_EC<CryptoPP::ECP>::EllipticCurve s_curve(s_params.GetCurve());
+
+BOOST_AUTO_TEST_CASE(emptySHA3Types)
+{
+	h256 emptyListSHA3(fromHex("1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"));
+	BOOST_REQUIRE_EQUAL(emptyListSHA3, EmptyListSHA3);
+
+	h256 emptySHA3(fromHex("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"));
+	BOOST_REQUIRE_EQUAL(emptySHA3, EmptySHA3);
+}
+
+BOOST_AUTO_TEST_CASE(cryptopp_patch)
+{
+	KeyPair k = KeyPair::create();
+	bytes io_text;
+	s_secp256k1.decrypt(k.sec(), io_text);
+	BOOST_REQUIRE_EQUAL(io_text.size(), 0);
+}
+
+BOOST_AUTO_TEST_CASE(verify_secert)
+{
+	h256 empty;
+	KeyPair kNot(empty);
+	BOOST_REQUIRE(!kNot.address());
+	KeyPair k(sha3(empty));
+	BOOST_REQUIRE(k.address());
+}
+
 BOOST_AUTO_TEST_CASE(common_encrypt_decrypt)
 {
-	string message("Now is the time for all good persons to come to the aide of humanity.");
+	string message("Now is the time for all good persons to come to the aid of humanity.");
 	bytes m = asBytes(message);
 	bytesConstRef bcr(&m);
 
@@ -56,103 +88,50 @@ BOOST_AUTO_TEST_CASE(common_encrypt_decrypt)
 	BOOST_REQUIRE(plain == asBytes(message));
 }
 
-BOOST_AUTO_TEST_CASE(cryptopp_vs_secp256k1)
-{
-	ECIES<ECP>::Decryptor d(pp::PRNG, pp::secp256k1Curve);
-	ECIES<ECP>::Encryptor e(d.GetKey());
-	
-	Secret s;
-	pp::exportPrivateKey(d.GetKey(), s);
-	
-	Public p;
-	pp::exportPublicKey(e.GetKey(), p);
-	
-	BOOST_REQUIRE(dev::toAddress(s) == right160(dev::sha3(p.ref())));
-	
-	Secret previous = s;
-	for (auto i = 0; i < 2; i++)
-	{
-		ECIES<ECP>::Decryptor d(pp::PRNG, pp::secp256k1Curve);
-		ECIES<ECP>::Encryptor e(d.GetKey());
-		
-		Secret s;
-		pp::exportPrivateKey(d.GetKey(), s);
-		BOOST_REQUIRE(s != previous);
-		
-		Public p;
-		pp::exportPublicKey(e.GetKey(), p);
-
-		h160 secp256k1Addr = dev::toAddress(s);
-		h160 cryptoppAddr = right160(dev::sha3(p.ref()));
-		if (secp256k1Addr != cryptoppAddr)
-		{
-			BOOST_REQUIRE(secp256k1Addr == cryptoppAddr);
-			break;
-		}
-	}
-}
-
 BOOST_AUTO_TEST_CASE(cryptopp_cryptopp_secp256k1libport)
 {
-	// cryptopp implementation of secp256k1lib sign_compact w/recid parameter and recovery of public key from signature
-		
+	secp256k1_start();
+	
 	// base secret
 	Secret secret(sha3("privacy"));
 	
 	// we get ec params from signer
-	const CryptoPP::DL_GroupParameters_EC<CryptoPP::ECP> params = pp::secp256k1Params;
 	ECDSA<ECP, SHA3_256>::Signer signer;
 	
 	// e := sha3(msg)
 	bytes e(fromHex("0x01"));
 	e.resize(32);
-	int tests = 2; // Oct 29: successful @ 1500
+	int tests = 2;
 	while (sha3(&e, &e), secret = sha3(secret.asBytes()), tests--)
 	{
 		KeyPair key(secret);
 		Public pkey = key.pub();
-		pp::initializeDLScheme(secret, signer);
+		signer.AccessKey().Initialize(s_params, secretToExponent(secret));
 		
 		h256 he(sha3(e));
 		Integer heInt(he.asBytes().data(), 32);
 		h256 k(crypto::kdf(secret, he));
 		Integer kInt(k.asBytes().data(), 32);
-		kInt %= params.GetSubgroupOrder()-1;
+		kInt %= s_params.GetSubgroupOrder()-1;
 
-		ECP::Point rp = params.ExponentiateBase(kInt);
-		Integer const& q = params.GetGroupOrder();
-		Integer r = params.ConvertElementToInteger(rp);
-		int recid = ((r >= q) ? 2 : 0) | (rp.y.IsOdd() ? 1 : 0);
+		ECP::Point rp = s_params.ExponentiateBase(kInt);
+		Integer const& q = s_params.GetGroupOrder();
+		Integer r = s_params.ConvertElementToInteger(rp);
 
 		Integer kInv = kInt.InverseMod(q);
 		Integer s = (kInv * (Integer(secret.asBytes().data(), 32)*r + heInt)) % q;
 		BOOST_REQUIRE(!!r && !!s);
-		
-/*
-		// For future reference:
-		// According to maths, this codepath can't be reached, however, it's in secp256k1.
-		// Commenting this out diverges from codebase implementation.
-		// To be removed after upstream PR and proof are evaulated.
- 
-		if (s > params.GetSubgroupOrder())
-		{
-			// note: this rarely happens
-			s = params.GetGroupOrder() - s;
-			if (recid)
-				recid ^= 1;
-		}
- */
 
 		Signature sig;
+		sig[64] = rp.y.IsOdd() ? 1 : 0;
 		r.Encode(sig.data(), 32);
 		s.Encode(sig.data() + 32, 32);
-		sig[64] = recid;
 
 		Public p = dev::recover(sig, he);
 		BOOST_REQUIRE(p == pkey);
 		
 		// verify w/cryptopp
-		BOOST_REQUIRE(crypto::verify(pkey, sig, bytesConstRef(&e)));
+		BOOST_REQUIRE(s_secp256k1.verify(pkey, sig, bytesConstRef(&e)));
 		
 		// verify with secp256k1lib
 		byte encpub[65] = {0x04};
@@ -166,16 +145,18 @@ BOOST_AUTO_TEST_CASE(cryptopp_cryptopp_secp256k1libport)
 
 BOOST_AUTO_TEST_CASE(cryptopp_ecdsa_sipaseckp256k1)
 {
+	secp256k1_start();
+	
 	// cryptopp integer encoding
 	Integer nHex("f2ee15ea639b73fa3db9b34a245bdfa015c260c598b211bf05a1ecc4b3e3b4f2H");
 	Integer nB(fromHex("f2ee15ea639b73fa3db9b34a245bdfa015c260c598b211bf05a1ecc4b3e3b4f2").data(), 32);
 	BOOST_REQUIRE(nHex == nB);
 	
-	bytes sbytes(fromHex("0x01"));
-	Secret secret(sha3(sbytes)); // 5fe7f977e71dba2ea1a68e21057beebb9be2ac30c6410aa38d4f3fbe41dcffd2
+	bytes sbytes(fromHex("0xFFFF"));
+	Secret secret(sha3(sbytes));
 	KeyPair key(secret);
 	
-	bytes m(fromHex("0x01"));
+	bytes m(1, 0xff);
 	int tests = 2;
 	while (m[0]++, tests--)
 	{
@@ -183,45 +164,45 @@ BOOST_AUTO_TEST_CASE(cryptopp_ecdsa_sipaseckp256k1)
 		Integer hInt(hm.asBytes().data(), 32);
 		h256 k(hm ^ key.sec());
 		Integer kInt(k.asBytes().data(), 32);
-		
+
 		// raw sign w/cryptopp (doesn't pass through cryptopp hash filter)
 		ECDSA<ECP, SHA3_256>::Signer signer;
-		pp::initializeDLScheme(key.sec(), signer);
+		signer.AccessKey().Initialize(s_params, secretToExponent(key.sec()));
 		Integer r, s;
 		signer.RawSign(kInt, hInt, r, s);
 
 		// verify cryptopp raw-signature w/cryptopp
 		ECDSA<ECP, SHA3_256>::Verifier verifier;
-		pp::initializeDLScheme(key.pub(), verifier);
+		verifier.AccessKey().Initialize(s_params, publicToPoint(key.pub()));
 		Signature sigppraw;
 		r.Encode(sigppraw.data(), 32);
 		s.Encode(sigppraw.data() + 32, 32);
 		BOOST_REQUIRE(verifier.VerifyMessage(m.data(), m.size(), sigppraw.data(), 64));
-		BOOST_REQUIRE(crypto::verify(key.pub(), sigppraw, bytesConstRef(&m)));
+//		BOOST_REQUIRE(crypto::verify(key.pub(), sigppraw, bytesConstRef(&m)));
 		BOOST_REQUIRE(dev::verify(key.pub(), sigppraw, hm));
 		
 		// sign with cryptopp, verify, recover w/sec256lib
 		Signature seclibsig(dev::sign(key.sec(), hm));
 		BOOST_REQUIRE(verifier.VerifyMessage(m.data(), m.size(), seclibsig.data(), 64));
-		BOOST_REQUIRE(crypto::verify(key.pub(), seclibsig, bytesConstRef(&m)));
+//		BOOST_REQUIRE(crypto::verify(key.pub(), seclibsig, bytesConstRef(&m)));
 		BOOST_REQUIRE(dev::verify(key.pub(), seclibsig, hm));
 		BOOST_REQUIRE(dev::recover(seclibsig, hm) == key.pub());
 
 		// sign with cryptopp (w/hash filter?), verify with cryptopp
 		bytes sigppb(signer.MaxSignatureLength());
-		size_t ssz = signer.SignMessage(pp::PRNG, m.data(), m.size(), sigppb.data());
+		size_t ssz = signer.SignMessage(s_rng, m.data(), m.size(), sigppb.data());
 		Signature sigpp;
 		memcpy(sigpp.data(), sigppb.data(), 64);
 		BOOST_REQUIRE(verifier.VerifyMessage(m.data(), m.size(), sigppb.data(), ssz));
-		BOOST_REQUIRE(crypto::verify(key.pub(), sigpp, bytesConstRef(&m)));
+//		BOOST_REQUIRE(crypto::verify(key.pub(), sigpp, bytesConstRef(&m)));
 		BOOST_REQUIRE(dev::verify(key.pub(), sigpp, hm));
 
 		// sign with cryptopp and stringsource hash filter
 		string sigstr;
-		StringSource ssrc(asString(m), true, new SignerFilter(pp::PRNG, signer, new StringSink(sigstr)));
+		StringSource ssrc(asString(m), true, new SignerFilter(s_rng, signer, new StringSink(sigstr)));
 		FixedHash<sizeof(Signature)> retsig((byte const*)sigstr.data(), Signature::ConstructFromPointer);
 		BOOST_REQUIRE(verifier.VerifyMessage(m.data(), m.size(), retsig.data(), 64));
-		BOOST_REQUIRE(crypto::verify(key.pub(), retsig, bytesConstRef(&m)));
+//		BOOST_REQUIRE(crypto::verify(key.pub(), retsig, bytesConstRef(&m)));
 		BOOST_REQUIRE(dev::verify(key.pub(), retsig, hm));
 		
 		/// verification w/sec256lib
@@ -247,37 +228,94 @@ BOOST_AUTO_TEST_CASE(cryptopp_ecdsa_sipaseckp256k1)
 	}
 }
 
-BOOST_AUTO_TEST_CASE(cryptopp_public_export_import)
-{
-	ECIES<ECP>::Decryptor d(pp::PRNG, pp::secp256k1Curve);
-	ECIES<ECP>::Encryptor e(d.GetKey());
-
-	Secret s;
-	pp::exportPrivateKey(d.GetKey(), s);
-	Public p;
-	pp::exportPublicKey(e.GetKey(), p);
-	Address addr = right160(dev::sha3(p.ref()));
-	BOOST_REQUIRE(toAddress(s) == addr);
-	
-	KeyPair l(s);
-	BOOST_REQUIRE(l.address() == addr);
-}
-
 BOOST_AUTO_TEST_CASE(ecies_eckeypair)
 {
 	KeyPair k = KeyPair::create();
 
-	string message("Now is the time for all good persons to come to the aide of humanity.");
+	string message("Now is the time for all good persons to come to the aid of humanity.");
 	string original = message;
 	
 	bytes b = asBytes(message);
-	encrypt(k.pub(), b);
+	s_secp256k1.encrypt(k.pub(), b);
 	BOOST_REQUIRE(b != asBytes(original));
 
-	decrypt(k.sec(), b);
+	s_secp256k1.decrypt(k.sec(), b);
 	BOOST_REQUIRE(b == asBytes(original));
 }
 
+BOOST_AUTO_TEST_CASE(ecdh)
+{
+	cnote << "Testing ecdh...";
+
+	ECDH<ECP>::Domain dhLocal(s_curveOID);
+	SecByteBlock privLocal(dhLocal.PrivateKeyLength());
+	SecByteBlock pubLocal(dhLocal.PublicKeyLength());
+	dhLocal.GenerateKeyPair(s_rng, privLocal, pubLocal);
+	
+	ECDH<ECP>::Domain dhRemote(s_curveOID);
+	SecByteBlock privRemote(dhRemote.PrivateKeyLength());
+	SecByteBlock pubRemote(dhRemote.PublicKeyLength());
+	dhRemote.GenerateKeyPair(s_rng, privRemote, pubRemote);
+	
+	assert(dhLocal.AgreedValueLength() == dhRemote.AgreedValueLength());
+	
+	// local: send public to remote; remote: send public to local
+	
+	// Local
+	SecByteBlock sharedLocal(dhLocal.AgreedValueLength());
+	assert(dhLocal.Agree(sharedLocal, privLocal, pubRemote));
+	
+	// Remote
+	SecByteBlock sharedRemote(dhRemote.AgreedValueLength());
+	assert(dhRemote.Agree(sharedRemote, privRemote, pubLocal));
+	
+	// Test
+	Integer ssLocal, ssRemote;
+	ssLocal.Decode(sharedLocal.BytePtr(), sharedLocal.SizeInBytes());
+	ssRemote.Decode(sharedRemote.BytePtr(), sharedRemote.SizeInBytes());
+	
+	assert(ssLocal != 0);
+	assert(ssLocal == ssRemote);
+	
+	
+	// Now use our keys
+	KeyPair a = KeyPair::create();
+	byte puba[65] = {0x04};
+	memcpy(&puba[1], a.pub().data(), 64);
+	
+	KeyPair b = KeyPair::create();
+	byte pubb[65] = {0x04};
+	memcpy(&pubb[1], b.pub().data(), 64);
+	
+	ECDH<ECP>::Domain dhA(s_curveOID);
+	Secret shared;
+	BOOST_REQUIRE(dhA.Agree(shared.data(), a.sec().data(), pubb));
+	BOOST_REQUIRE(shared);
+}
+
+BOOST_AUTO_TEST_CASE(ecdhe)
+{
+	cnote << "Testing ecdhe...";
+	
+	ECDHE a, b;
+	BOOST_CHECK_NE(a.pubkey(), b.pubkey());
+	
+	ECDHE local;
+	ECDHE remote;
+	
+	// local tx pubkey -> remote
+	Secret sremote;
+	remote.agree(local.pubkey(), sremote);
+	
+	// remote tx pbukey -> local
+	Secret slocal;
+	local.agree(remote.pubkey(), slocal);
+
+	BOOST_REQUIRE(sremote);
+	BOOST_REQUIRE(slocal);
+	BOOST_REQUIRE_EQUAL(sremote, slocal);
+}
+
 BOOST_AUTO_TEST_CASE(ecdhe_aes128_ctr_sha3mac)
 {
 	// New connections require new ECDH keypairs
@@ -288,53 +326,6 @@ BOOST_AUTO_TEST_CASE(ecdhe_aes128_ctr_sha3mac)
 	
 }
 
-BOOST_AUTO_TEST_CASE(cryptopp_ecies_message)
-{
-	cnote << "Testing cryptopp_ecies_message...";
-
-	string const message("Now is the time for all good persons to come to the aide of humanity.");
-
-	ECIES<ECP>::Decryptor localDecryptor(pp::PRNG, pp::secp256k1Curve);
-	SavePrivateKey(localDecryptor.GetPrivateKey());
-	
-	ECIES<ECP>::Encryptor localEncryptor(localDecryptor);
-	SavePublicKey(localEncryptor.GetPublicKey());
-
-	ECIES<ECP>::Decryptor futureDecryptor;
-	LoadPrivateKey(futureDecryptor.AccessPrivateKey());
-	futureDecryptor.GetPrivateKey().ThrowIfInvalid(pp::PRNG, 3);
-	
-	ECIES<ECP>::Encryptor futureEncryptor;
-	LoadPublicKey(futureEncryptor.AccessPublicKey());
-	futureEncryptor.GetPublicKey().ThrowIfInvalid(pp::PRNG, 3);
-
-	// encrypt/decrypt with local
-	string cipherLocal;
-	StringSource ss1 (message, true, new PK_EncryptorFilter(pp::PRNG, localEncryptor, new StringSink(cipherLocal) ) );
-	string plainLocal;
-	StringSource ss2 (cipherLocal, true, new PK_DecryptorFilter(pp::PRNG, localDecryptor, new StringSink(plainLocal) ) );
-
-	// encrypt/decrypt with future
-	string cipherFuture;
-	StringSource ss3 (message, true, new PK_EncryptorFilter(pp::PRNG, futureEncryptor, new StringSink(cipherFuture) ) );
-	string plainFuture;
-	StringSource ss4 (cipherFuture, true, new PK_DecryptorFilter(pp::PRNG, futureDecryptor, new StringSink(plainFuture) ) );
-	
-	// decrypt local w/future
-	string plainFutureFromLocal;
-	StringSource ss5 (cipherLocal, true, new PK_DecryptorFilter(pp::PRNG, futureDecryptor, new StringSink(plainFutureFromLocal) ) );
-	
-	// decrypt future w/local
-	string plainLocalFromFuture;
-	StringSource ss6 (cipherFuture, true, new PK_DecryptorFilter(pp::PRNG, localDecryptor, new StringSink(plainLocalFromFuture) ) );
-	
-	
-	BOOST_REQUIRE(plainLocal == message);
-	BOOST_REQUIRE(plainFuture == plainLocal);
-	BOOST_REQUIRE(plainFutureFromLocal == plainLocal);
-	BOOST_REQUIRE(plainLocalFromFuture == plainLocal);
-}
-
 BOOST_AUTO_TEST_CASE(cryptopp_aes128_ctr)
 {
 	const int aesKeyLen = 16;
@@ -346,21 +337,28 @@ BOOST_AUTO_TEST_CASE(cryptopp_aes128_ctr)
 	rng.GenerateBlock(key, key.size());
 	
 	// cryptopp uses IV as nonce/counter which is same as using nonce w/0 ctr
-	byte ctr[AES::BLOCKSIZE];
-	rng.GenerateBlock(ctr, sizeof(ctr));
+	FixedHash<AES::BLOCKSIZE> ctr;
+	rng.GenerateBlock(ctr.data(), sizeof(ctr));
+
+	// used for decrypt
+	FixedHash<AES::BLOCKSIZE> ctrcopy(ctr);
 	
-	string text = "Now is the time for all good persons to come to the aide of humanity.";
-	// c++11 ftw
+	string text = "Now is the time for all good persons to come to the aid of humanity.";
 	unsigned char const* in = (unsigned char*)&text[0];
 	unsigned char* out = (unsigned char*)&text[0];
 	string original = text;
+	string doublespeak = text + text;
 	
 	string cipherCopy;
 	try
 	{
 		CTR_Mode<AES>::Encryption e;
-		e.SetKeyWithIV(key, key.size(), ctr);
+		e.SetKeyWithIV(key, key.size(), ctr.data());
+		
+		// 68 % 255 should be difference of counter
 		e.ProcessData(out, in, text.size());
+		ctr = h128(u128(ctr) + text.size() % 16);
+		
 		BOOST_REQUIRE(text != original);
 		cipherCopy = text;
 	}
@@ -372,7 +370,7 @@ BOOST_AUTO_TEST_CASE(cryptopp_aes128_ctr)
 	try
 	{
 		CTR_Mode< AES >::Decryption d;
-		d.SetKeyWithIV(key, key.size(), ctr);
+		d.SetKeyWithIV(key, key.size(), ctrcopy.data());
 		d.ProcessData(out, in, text.size());
 		BOOST_REQUIRE(text == original);
 	}
@@ -390,7 +388,7 @@ BOOST_AUTO_TEST_CASE(cryptopp_aes128_ctr)
 		out = (unsigned char*)&cipherCopy[0];
 		
 		CTR_Mode<AES>::Encryption e;
-		e.SetKeyWithIV(key, key.size(), ctr);
+		e.SetKeyWithIV(key, key.size(), ctrcopy.data());
 		e.ProcessData(out, in, text.size());
 		
 		// yep, ctr mode.
diff --git a/genesis.cpp b/genesis.cpp
index 6839d42e2..1b354dab8 100644
--- a/genesis.cpp
+++ b/genesis.cpp
@@ -36,6 +36,15 @@ namespace js = json_spirit;
 
 BOOST_AUTO_TEST_SUITE(BasicTests)
 
+BOOST_AUTO_TEST_CASE(emptySHA3Types)
+{
+	h256 emptyListSHA3(fromHex("1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"));
+	BOOST_REQUIRE_EQUAL(emptyListSHA3, EmptyListSHA3);
+	
+	h256 emptySHA3(fromHex("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"));
+	BOOST_REQUIRE_EQUAL(emptySHA3, EmptySHA3);
+}
+
 BOOST_AUTO_TEST_CASE(genesis_tests)
 {
 	string testPath = test::getTestPath();
@@ -51,7 +60,7 @@ BOOST_AUTO_TEST_CASE(genesis_tests)
 
 	BOOST_CHECK_EQUAL(BlockChain::genesis().stateRoot, h256(o["genesis_state_root"].get_str()));
 	BOOST_CHECK_EQUAL(toHex(BlockChain::createGenesisBlock()), toHex(fromHex(o["genesis_rlp_hex"].get_str())));
-	BOOST_CHECK_EQUAL(sha3(BlockChain::createGenesisBlock()), h256(o["genesis_hash"].get_str()));
+	BOOST_CHECK_EQUAL(BlockInfo::headerHash(BlockChain::createGenesisBlock()), h256(o["genesis_hash"].get_str()));
 }
 
 BOOST_AUTO_TEST_SUITE_END()
diff --git a/jsonrpc.cpp b/jsonrpc.cpp
index 4c748a954..37377407c 100644
--- a/jsonrpc.cpp
+++ b/jsonrpc.cpp
@@ -19,7 +19,7 @@
  * @date 2014
  */
 
-#if ETH_JSONRPC
+#if ETH_JSONRPC && 0
 
 #include <boost/test/unit_test.hpp>
 #include <boost/lexical_cast.hpp>
@@ -29,8 +29,9 @@
 #include <libwebthree/WebThree.h>
 #include <libweb3jsonrpc/WebThreeStubServer.h>
 #include <libweb3jsonrpc/CorsHttpServer.h>
-#include <jsonrpc/connectors/httpserver.h>
-#include <jsonrpc/connectors/httpclient.h>
+#include <json/json.h>
+#include <jsonrpccpp/server/connectors/httpserver.h>
+#include <jsonrpccpp/client/connectors/httpclient.h>
 #include <set>
 #include "JsonSpiritHeaders.h"
 #include "TestHelper.h"
@@ -43,7 +44,7 @@ using namespace dev;
 using namespace dev::eth;
 namespace js = json_spirit;
 
-WebThreeDirect *web3;
+WebThreeDirect* web3;
 unique_ptr<WebThreeStubServer> jsonrpcServer;
 unique_ptr<WebThreeStubClient> jsonrpcClient;
 
@@ -61,11 +62,12 @@ struct Setup
 		
 		web3->setIdealPeerCount(5);
 		web3->ethereum()->setForceMining(true);
-		jsonrpcServer = unique_ptr<WebThreeStubServer>(new WebThreeStubServer(new jsonrpc::CorsHttpServer(8080), *web3, {}));
+		auto server = new jsonrpc::HttpServer(8080);
+		jsonrpcServer = unique_ptr<WebThreeStubServer>(new WebThreeStubServer(*server, *web3, {}));
 		jsonrpcServer->setIdentities({});
 		jsonrpcServer->StartListening();
-		
-		jsonrpcClient = unique_ptr<WebThreeStubClient>(new WebThreeStubClient(new jsonrpc::HttpClient("http://localhost:8080")));
+		auto client = new jsonrpc::HttpClient("http://localhost:8080");
+		jsonrpcClient = unique_ptr<WebThreeStubClient>(new WebThreeStubClient(*client));
 	}
 };
 
@@ -237,7 +239,76 @@ BOOST_AUTO_TEST_CASE(jsonrpc_transact)
 	BOOST_CHECK_EQUAL(jsToDecimal(balanceString2), "750000000000000000");
 	BOOST_CHECK_EQUAL(txAmount, balance2);
 }
+
+
+BOOST_AUTO_TEST_CASE(simple_contract)
+{
+	cnote << "Testing jsonrpc contract...";
+	KeyPair kp = KeyPair::create();
+	web3->ethereum()->setAddress(kp.address());
+	jsonrpcServer->setAccounts({kp});
+
+	dev::eth::mine(*(web3->ethereum()), 1);
 	
+	char const* sourceCode = "contract test {\n"
+	"  function f(uint a) returns(uint d) { return a * 7; }\n"
+	"}\n";
+
+	string compiled = jsonrpcClient->eth_solidity(sourceCode);
+
+	Json::Value create;
+	create["code"] = compiled;
+	string contractAddress = jsonrpcClient->eth_transact(create);
+	dev::eth::mine(*(web3->ethereum()), 1);
+	
+	Json::Value call;
+	call["to"] = contractAddress;
+	call["data"] = "0x00000000000000000000000000000000000000000000000000000000000000001";
+	string result = jsonrpcClient->eth_call(call);
+	BOOST_CHECK_EQUAL(result, "0x0000000000000000000000000000000000000000000000000000000000000007");
+}
+
+BOOST_AUTO_TEST_CASE(contract_storage)
+{
+	cnote << "Testing jsonrpc contract storage...";
+	KeyPair kp = KeyPair::create();
+	web3->ethereum()->setAddress(kp.address());
+	jsonrpcServer->setAccounts({kp});
+
+	dev::eth::mine(*(web3->ethereum()), 1);
+	
+	char const* sourceCode = R"(
+		contract test {
+			uint hello;
+			function writeHello(uint value)  returns(bool d){
+				hello = value;
+				return true;
+			}
+		}
+	)";
+	
+	string compiled = jsonrpcClient->eth_solidity(sourceCode);
+	
+	Json::Value create;
+	create["code"] = compiled;
+	string contractAddress = jsonrpcClient->eth_transact(create);
+	dev::eth::mine(*(web3->ethereum()), 1);
+	
+	Json::Value transact;
+	transact["to"] = contractAddress;
+	transact["data"] = "0x00000000000000000000000000000000000000000000000000000000000000003";
+	jsonrpcClient->eth_transact(transact);
+	dev::eth::mine(*(web3->ethereum()), 1);
+	
+	Json::Value storage = jsonrpcClient->eth_storageAt(contractAddress);
+	BOOST_CHECK_EQUAL(storage.getMemberNames().size(), 1);
+	// bracers are required, cause msvc couldnt handle this macro in for statement
+	for (auto name: storage.getMemberNames())
+	{
+		BOOST_CHECK_EQUAL(storage[name].asString(), "0x03");
+	}
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 BOOST_AUTO_TEST_SUITE_END()
 
diff --git a/solidityCompiler.cpp b/solidityCompiler.cpp
index ba2db67e6..eae8f3142 100644
--- a/solidityCompiler.cpp
+++ b/solidityCompiler.cpp
@@ -46,16 +46,23 @@ namespace
 bytes compileContract(const string& _sourceCode)
 {
 	Parser parser;
-	ASTPointer<ContractDefinition> contract;
-	BOOST_REQUIRE_NO_THROW(contract = parser.parse(make_shared<Scanner>(CharStream(_sourceCode))));
-	NameAndTypeResolver resolver;
-	BOOST_REQUIRE_NO_THROW(resolver.resolveNamesAndTypes(*contract));
+	ASTPointer<SourceUnit> sourceUnit;
+	BOOST_REQUIRE_NO_THROW(sourceUnit = parser.parse(make_shared<Scanner>(CharStream(_sourceCode))));
+	NameAndTypeResolver resolver({});
+	resolver.registerDeclarations(*sourceUnit);
+	for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+		if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
+		{
+			BOOST_REQUIRE_NO_THROW(resolver.resolveNamesAndTypes(*contract));
 
-	Compiler compiler;
-	compiler.compileContract(*contract);
-	// debug
-	//compiler.streamAssembly(cout);
-	return compiler.getAssembledBytecode();
+			Compiler compiler;
+			compiler.compileContract(*contract, {});
+			// debug
+			//compiler.streamAssembly(cout);
+			return compiler.getAssembledBytecode();
+		}
+	BOOST_FAIL("No contract found in source.");
+	return bytes();
 }
 
 /// Checks that @a _compiledCode is present starting from offset @a _offset in @a _expectation.
@@ -80,7 +87,7 @@ BOOST_AUTO_TEST_CASE(smoke_test)
 							 "}\n";
 	bytes code = compileContract(sourceCode);
 
-	unsigned boilerplateSize = 51;
+	unsigned boilerplateSize = 40;
 	bytes expectation({byte(Instruction::JUMPDEST),
 					   byte(Instruction::PUSH1), 0x0, // initialize local variable x
 					   byte(Instruction::PUSH1), 0x2,
@@ -100,8 +107,8 @@ BOOST_AUTO_TEST_CASE(different_argument_numbers)
 							 "}\n";
 	bytes code = compileContract(sourceCode);
 
-	unsigned shift = 75;
-	unsigned boilerplateSize = 88;
+	unsigned shift = 68;
+	unsigned boilerplateSize = 81;
 	bytes expectation({byte(Instruction::JUMPDEST),
 					   byte(Instruction::PUSH1), 0x0, // initialize return variable d
 					   byte(Instruction::DUP3),
@@ -118,8 +125,8 @@ BOOST_AUTO_TEST_CASE(different_argument_numbers)
 					   byte(Instruction::JUMP), // end of f
 					   byte(Instruction::JUMPDEST), // beginning of g
 					   byte(Instruction::PUSH1), 0x0,
-					   byte(Instruction::DUP1), // initialized e and h
-					   byte(Instruction::PUSH1), byte(0x29 + shift), // ret address
+					   byte(Instruction::PUSH1), 0x0, // initialized e and h
+					   byte(Instruction::PUSH1), byte(0x2a + shift), // ret address
 					   byte(Instruction::PUSH1), 0x1, byte(Instruction::PUSH1), 0xff, byte(Instruction::AND),
 					   byte(Instruction::PUSH1), 0x2, byte(Instruction::PUSH1), 0xff, byte(Instruction::AND),
 					   byte(Instruction::PUSH1), 0x3, byte(Instruction::PUSH1), 0xff, byte(Instruction::AND),
@@ -128,8 +135,6 @@ BOOST_AUTO_TEST_CASE(different_argument_numbers)
 					   byte(Instruction::JUMP),
 					   byte(Instruction::JUMPDEST),
 					   // stack here: ret e h f(1,2,3)
-					   byte(Instruction::DUP2),
-					   byte(Instruction::POP),
 					   byte(Instruction::SWAP1),
 					   // stack here: ret e f(1,2,3) h
 					   byte(Instruction::POP),
@@ -153,8 +158,8 @@ BOOST_AUTO_TEST_CASE(ifStatement)
 							 "}\n";
 	bytes code = compileContract(sourceCode);
 
-	unsigned shift = 38;
-	unsigned boilerplateSize = 51;
+	unsigned shift = 27;
+	unsigned boilerplateSize = 40;
 	bytes expectation({byte(Instruction::JUMPDEST),
 					   byte(Instruction::PUSH1), 0x0,
 					   byte(Instruction::DUP1),
@@ -195,8 +200,8 @@ BOOST_AUTO_TEST_CASE(loops)
 							 "}\n";
 	bytes code = compileContract(sourceCode);
 
-	unsigned shift = 38;
-	unsigned boilerplateSize = 51;
+	unsigned shift = 27;
+	unsigned boilerplateSize = 40;
 	bytes expectation({byte(Instruction::JUMPDEST),
 					   byte(Instruction::JUMPDEST),
 					   byte(Instruction::PUSH1), 0x1,
diff --git a/solidityEndToEndTest.cpp b/solidityEndToEndTest.cpp
index 796adcb15..0970c4f4b 100644
--- a/solidityEndToEndTest.cpp
+++ b/solidityEndToEndTest.cpp
@@ -22,10 +22,10 @@
  */
 
 #include <string>
+#include <tuple>
 #include <boost/test/unit_test.hpp>
-#include <libethereum/State.h>
-#include <libethereum/Executive.h>
-#include <libsolidity/CompilerStack.h>
+#include <libdevcrypto/SHA3.h>
+#include <test/solidityExecutionFramework.h>
 
 using namespace std;
 
@@ -36,74 +36,6 @@ namespace solidity
 namespace test
 {
 
-class ExecutionFramework
-{
-public:
-	ExecutionFramework() { g_logVerbosity = 0; }
-
-	bytes const& compileAndRun(std::string const& _sourceCode)
-	{
-		bytes code = dev::solidity::CompilerStack::compile(_sourceCode);
-		sendMessage(code, true);
-		BOOST_REQUIRE(!m_output.empty());
-		return m_output;
-	}
-
-	bytes const& callFunction(byte _index, bytes const& _data)
-	{
-		sendMessage(bytes(1, _index) + _data, false);
-		return m_output;
-	}
-
-	bytes const& callFunction(byte _index, u256 const& _argument1)
-	{
-		return callFunction(_index, toBigEndian(_argument1));
-	}
-
-	bool testSolidityAgainstCpp(byte _index, std::function<u256(u256)> const& _cppfun, u256 const& _argument1)
-	{
-		return toBigEndian(_cppfun(_argument1)) == callFunction(_index, toBigEndian(_argument1));
-	}
-
-	bool testSolidityAgainstCpp(byte _index, std::function<u256()> const& _cppfun)
-	{
-		return toBigEndian(_cppfun()) == callFunction(_index, bytes());
-	}
-
-private:
-	void sendMessage(bytes const& _data, bool _isCreation)
-	{
-		eth::Executive executive(m_state);
-		eth::Transaction t = _isCreation ? eth::Transaction(0, m_gasPrice, m_gas, _data, 0, KeyPair::create().sec())
-										 : eth::Transaction(0, m_gasPrice, m_gas, m_contractAddress, _data, 0, KeyPair::create().sec());
-		bytes transactionRLP = t.rlp();
-		try
-		{
-			// this will throw since the transaction is invalid, but it should nevertheless store the transaction
-			executive.setup(&transactionRLP);
-		}
-		catch (...) {}
-		if (_isCreation)
-		{
-			BOOST_REQUIRE(!executive.create(Address(), 0, m_gasPrice, m_gas, &_data, Address()));
-			m_contractAddress = executive.newAddress();
-			BOOST_REQUIRE(m_contractAddress);
-			BOOST_REQUIRE(m_state.addressHasCode(m_contractAddress));
-		}
-		else
-			BOOST_REQUIRE(!executive.call(m_contractAddress, Address(), 0, m_gasPrice, &_data, m_gas, Address()));
-		BOOST_REQUIRE(executive.go());
-		executive.finalize();
-		m_output = executive.out().toVector();
-	}
-
-	Address m_contractAddress;
-	eth::State m_state;
-	u256 const m_gasPrice = 100 * eth::szabo;
-	u256 const m_gas = 1000000;
-	bytes m_output;
-};
-
 BOOST_FIXTURE_TEST_SUITE(SolidityCompilerEndToEndTest, ExecutionFramework)
 
 BOOST_AUTO_TEST_CASE(smoke_test)
@@ -112,8 +44,7 @@ BOOST_AUTO_TEST_CASE(smoke_test)
 							 "  function f(uint a) returns(uint d) { return a * 7; }\n"
 							 "}\n";
 	compileAndRun(sourceCode);
-	u256 a = 0x200030004;
-	BOOST_CHECK(callFunction(0, a) == toBigEndian(a * 7));
+	testSolidityAgainstCppOnRange(0, [](u256 const& a) -> u256 { return a * 7; }, 0, 100);
 }
 
 BOOST_AUTO_TEST_CASE(empty_contract)
@@ -121,7 +52,7 @@ BOOST_AUTO_TEST_CASE(empty_contract)
 	char const* sourceCode = "contract test {\n"
 							 "}\n";
 	compileAndRun(sourceCode);
-	BOOST_CHECK(callFunction(0, bytes()).empty());
+	BOOST_CHECK(callContractFunction(0, bytes()).empty());
 }
 
 BOOST_AUTO_TEST_CASE(recursive_calls)
@@ -133,7 +64,7 @@ BOOST_AUTO_TEST_CASE(recursive_calls)
 							 "  }\n"
 							 "}\n";
 	compileAndRun(sourceCode);
-	std::function<u256(u256)> recursive_calls_cpp = [&recursive_calls_cpp](u256 const& n) -> u256
+	function<u256(u256)> recursive_calls_cpp = [&recursive_calls_cpp](u256 const& n) -> u256
 	{
 		if (n <= 1)
 			return 1;
@@ -141,11 +72,23 @@ BOOST_AUTO_TEST_CASE(recursive_calls)
 			return n * recursive_calls_cpp(n - 1);
 	};
 
-	BOOST_CHECK(testSolidityAgainstCpp(0, recursive_calls_cpp, u256(0)));
-	BOOST_CHECK(testSolidityAgainstCpp(0, recursive_calls_cpp, u256(1)));
-	BOOST_CHECK(testSolidityAgainstCpp(0, recursive_calls_cpp, u256(2)));
-	BOOST_CHECK(testSolidityAgainstCpp(0, recursive_calls_cpp, u256(3)));
-	BOOST_CHECK(testSolidityAgainstCpp(0, recursive_calls_cpp, u256(4)));
+	testSolidityAgainstCppOnRange(0, recursive_calls_cpp, 0, 5);
+}
+
+BOOST_AUTO_TEST_CASE(multiple_functions)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  function a() returns(uint n) { return 0; }\n"
+							 "  function b() returns(uint n) { return 1; }\n"
+							 "  function c() returns(uint n) { return 2; }\n"
+							 "  function f() returns(uint n) { return 3; }\n"
+							 "}\n";
+	compileAndRun(sourceCode);
+	BOOST_CHECK(callContractFunction(0, bytes()) == toBigEndian(u256(0)));
+	BOOST_CHECK(callContractFunction(1, bytes()) == toBigEndian(u256(1)));
+	BOOST_CHECK(callContractFunction(2, bytes()) == toBigEndian(u256(2)));
+	BOOST_CHECK(callContractFunction(3, bytes()) == toBigEndian(u256(3)));
+	BOOST_CHECK(callContractFunction(4, bytes()) == bytes());
 }
 
 BOOST_AUTO_TEST_CASE(while_loop)
@@ -169,11 +112,7 @@ BOOST_AUTO_TEST_CASE(while_loop)
 		return nfac;
 	};
 
-	BOOST_CHECK(testSolidityAgainstCpp(0, while_loop_cpp, u256(0)));
-	BOOST_CHECK(testSolidityAgainstCpp(0, while_loop_cpp, u256(1)));
-	BOOST_CHECK(testSolidityAgainstCpp(0, while_loop_cpp, u256(2)));
-	BOOST_CHECK(testSolidityAgainstCpp(0, while_loop_cpp, u256(3)));
-	BOOST_CHECK(testSolidityAgainstCpp(0, while_loop_cpp, u256(4)));
+	testSolidityAgainstCppOnRange(0, while_loop_cpp, 0, 5);
 }
 
 BOOST_AUTO_TEST_CASE(break_outside_loop)
@@ -184,9 +123,8 @@ BOOST_AUTO_TEST_CASE(break_outside_loop)
 							 "    break; continue; return 2;\n"
 							 "  }\n"
 							 "}\n";
-	ExecutionFramework framework;
-	framework.compileAndRun(sourceCode);
-	BOOST_CHECK(framework.callFunction(0, u256(0)) == toBigEndian(u256(2)));
+	compileAndRun(sourceCode);
+	testSolidityAgainstCpp(0, [](u256 const&) -> u256 { return 2; }, u256(0));
 }
 
 BOOST_AUTO_TEST_CASE(nested_loops)
@@ -209,8 +147,7 @@ BOOST_AUTO_TEST_CASE(nested_loops)
 							 "    return x;\n"
 							 "  }\n"
 							 "}\n";
-	ExecutionFramework framework;
-	framework.compileAndRun(sourceCode);
+	compileAndRun(sourceCode);
 
 	auto nested_loops_cpp = [](u256  n) -> u256
 	{
@@ -236,18 +173,7 @@ BOOST_AUTO_TEST_CASE(nested_loops)
 		return n;
 	};
 
-	BOOST_CHECK(framework.testSolidityAgainstCpp(0, nested_loops_cpp, u256(0)));
-	BOOST_CHECK(framework.testSolidityAgainstCpp(0, nested_loops_cpp, u256(1)));
-	BOOST_CHECK(framework.testSolidityAgainstCpp(0, nested_loops_cpp, u256(2)));
-	BOOST_CHECK(framework.testSolidityAgainstCpp(0, nested_loops_cpp, u256(3)));
-	BOOST_CHECK(framework.testSolidityAgainstCpp(0, nested_loops_cpp, u256(4)));
-	BOOST_CHECK(framework.testSolidityAgainstCpp(0, nested_loops_cpp, u256(5)));
-	BOOST_CHECK(framework.testSolidityAgainstCpp(0, nested_loops_cpp, u256(6)));
-	BOOST_CHECK(framework.testSolidityAgainstCpp(0, nested_loops_cpp, u256(7)));
-	BOOST_CHECK(framework.testSolidityAgainstCpp(0, nested_loops_cpp, u256(8)));
-	BOOST_CHECK(framework.testSolidityAgainstCpp(0, nested_loops_cpp, u256(9)));
-	BOOST_CHECK(framework.testSolidityAgainstCpp(0, nested_loops_cpp, u256(10)));
-	BOOST_CHECK(framework.testSolidityAgainstCpp(0, nested_loops_cpp, u256(11)));
+	testSolidityAgainstCppOnRange(0, nested_loops_cpp, 0, 12);
 }
 
 BOOST_AUTO_TEST_CASE(calling_other_functions)
@@ -279,7 +205,8 @@ BOOST_AUTO_TEST_CASE(calling_other_functions)
 		return 3 * n + 1;
 	};
 
-	auto collatz_cpp = [&evenStep_cpp, &oddStep_cpp] (u256 n) -> u256 {
+	auto collatz_cpp = [&evenStep_cpp, &oddStep_cpp](u256 n) -> u256
+	{
 		u256 y;
 		while ((y = n) > 1)
 		{
@@ -291,11 +218,11 @@ BOOST_AUTO_TEST_CASE(calling_other_functions)
 		return y;
 	};
 
-	BOOST_CHECK(testSolidityAgainstCpp(2, collatz_cpp, u256(0)));
-	BOOST_CHECK(testSolidityAgainstCpp(2, collatz_cpp, u256(1)));
-	BOOST_CHECK(testSolidityAgainstCpp(2, collatz_cpp, u256(2)));
-	BOOST_CHECK(testSolidityAgainstCpp(2, collatz_cpp, u256(8)));
-	BOOST_CHECK(testSolidityAgainstCpp(2, collatz_cpp, u256(127)));
+	testSolidityAgainstCpp(2, collatz_cpp, u256(0));
+	testSolidityAgainstCpp(2, collatz_cpp, u256(1));
+	testSolidityAgainstCpp(2, collatz_cpp, u256(2));
+	testSolidityAgainstCpp(2, collatz_cpp, u256(8));
+	testSolidityAgainstCpp(2, collatz_cpp, u256(127));
 }
 
 BOOST_AUTO_TEST_CASE(many_local_variables)
@@ -308,8 +235,15 @@ BOOST_AUTO_TEST_CASE(many_local_variables)
 							 "  }\n"
 							 "}\n";
 	compileAndRun(sourceCode);
-	BOOST_CHECK(callFunction(0, toBigEndian(u256(0x1000)) + toBigEndian(u256(0x10000)) + toBigEndian(u256(0x100000)))
-				== toBigEndian(u256(0x121121)));
+	auto f = [](u256 const& x1, u256 const& x2, u256 const& x3) -> u256
+	{
+		u256 a = 0x1;
+		u256 b = 0x10;
+		u256 c = 0x100;
+		u256 y = a + b + c + x1 + x2 + x3;
+		return y + b + x2;
+	};
+	testSolidityAgainstCpp(0, f, u256(0x1000), u256(0x10000), u256(0x100000));
 }
 
 BOOST_AUTO_TEST_CASE(packing_unpacking_types)
@@ -322,7 +256,7 @@ BOOST_AUTO_TEST_CASE(packing_unpacking_types)
 							 "  }\n"
 							 "}\n";
 	compileAndRun(sourceCode);
-	BOOST_CHECK(callFunction(0, fromHex("01""0f0f0f0f""f0f0f0f0f0f0f0f0"))
+	BOOST_CHECK(callContractFunction(0, fromHex("01""0f0f0f0f""f0f0f0f0f0f0f0f0"))
 				== fromHex("00000000000000000000000000000000000000""01""f0f0f0f0""0f0f0f0f0f0f0f0f"));
 }
 
@@ -334,7 +268,7 @@ BOOST_AUTO_TEST_CASE(multiple_return_values)
 							 "  }\n"
 							 "}\n";
 	compileAndRun(sourceCode);
-	BOOST_CHECK(callFunction(0, bytes(1, 1) + toBigEndian(u256(0xcd)))
+	BOOST_CHECK(callContractFunction(0, bytes(1, 1) + toBigEndian(u256(0xcd)))
 				== toBigEndian(u256(0xcd)) + bytes(1, 1) + toBigEndian(u256(0)));
 }
 
@@ -354,8 +288,7 @@ BOOST_AUTO_TEST_CASE(short_circuiting)
 		return n;
 	};
 
-	BOOST_CHECK(testSolidityAgainstCpp(0, short_circuiting_cpp, u256(0)));
-	BOOST_CHECK(testSolidityAgainstCpp(0, short_circuiting_cpp, u256(1)));
+	testSolidityAgainstCppOnRange(0, short_circuiting_cpp, 0, 2);
 }
 
 BOOST_AUTO_TEST_CASE(high_bits_cleaning)
@@ -375,7 +308,7 @@ BOOST_AUTO_TEST_CASE(high_bits_cleaning)
 			return 0;
 		return x;
 	};
-	BOOST_CHECK(testSolidityAgainstCpp(0, high_bits_cleaning_cpp));
+	testSolidityAgainstCpp(0, high_bits_cleaning_cpp);
 }
 
 BOOST_AUTO_TEST_CASE(sign_extension)
@@ -395,7 +328,7 @@ BOOST_AUTO_TEST_CASE(sign_extension)
 			return 0;
 		return u256(x) * -1;
 	};
-	BOOST_CHECK(testSolidityAgainstCpp(0, sign_extension_cpp));
+	testSolidityAgainstCpp(0, sign_extension_cpp);
 }
 
 BOOST_AUTO_TEST_CASE(small_unsigned_types)
@@ -412,7 +345,7 @@ BOOST_AUTO_TEST_CASE(small_unsigned_types)
 		uint32_t x = uint32_t(0xffffff) * 0xffffff;
 		return x / 0x100;
 	};
-	BOOST_CHECK(testSolidityAgainstCpp(0, small_unsigned_types_cpp));
+	testSolidityAgainstCpp(0, small_unsigned_types_cpp);
 }
 
 BOOST_AUTO_TEST_CASE(small_signed_types)
@@ -427,7 +360,49 @@ BOOST_AUTO_TEST_CASE(small_signed_types)
 	{
 		return -int32_t(10) * -int64_t(20);
 	};
-	BOOST_CHECK(testSolidityAgainstCpp(0, small_signed_types_cpp));
+	testSolidityAgainstCpp(0, small_signed_types_cpp);
+}
+
+BOOST_AUTO_TEST_CASE(strings)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  function fixed() returns(string32 ret) {\n"
+							 "    return \"abc\\x00\\xff__\";\n"
+							 "  }\n"
+							 "  function pipeThrough(string2 small, bool one) returns(string16 large, bool oneRet) {\n"
+							 "    oneRet = one;\n"
+							 "    large = small;\n"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode);
+	bytes expectation(32, 0);
+	expectation[0] = byte('a');
+	expectation[1] = byte('b');
+	expectation[2] = byte('c');
+	expectation[3] = byte(0);
+	expectation[4] = byte(0xff);
+	expectation[5] = byte('_');
+	expectation[6] = byte('_');
+	BOOST_CHECK(callContractFunction(0, bytes()) == expectation);
+	expectation = bytes(17, 0);
+	expectation[0] = 0;
+	expectation[1] = 2;
+	expectation[16] = 1;
+	BOOST_CHECK(callContractFunction(1, bytes({0x00, 0x02, 0x01})) == expectation);
+}
+
+BOOST_AUTO_TEST_CASE(empty_string_on_stack)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  function run(string0 empty, uint8 inp) returns(uint16 a, string0 b, string4 c) {\n"
+							 "    var x = \"abc\";\n"
+							 "    var y = \"\";\n"
+							 "    var z = inp;\n"
+							 "    a = z; b = y; c = x;"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode);
+	BOOST_CHECK(callContractFunction(0, bytes({0x02})) == bytes({0x00, 0x02, (byte)'a', (byte)'b', (byte)'c', 0x00}));
 }
 
 BOOST_AUTO_TEST_CASE(state_smoke_test)
@@ -445,14 +420,596 @@ BOOST_AUTO_TEST_CASE(state_smoke_test)
 							 "  }\n"
 							 "}\n";
 	compileAndRun(sourceCode);
-	BOOST_CHECK(callFunction(0, bytes(1, 0x00)) == toBigEndian(u256(0)));
-	BOOST_CHECK(callFunction(0, bytes(1, 0x01)) == toBigEndian(u256(0)));
-	BOOST_CHECK(callFunction(1, bytes(1, 0x00) + toBigEndian(u256(0x1234))) == bytes());
-	BOOST_CHECK(callFunction(1, bytes(1, 0x01) + toBigEndian(u256(0x8765))) == bytes());
-	BOOST_CHECK(callFunction(0, bytes(1, 0x00)) == toBigEndian(u256(0x1234)));
-	BOOST_CHECK(callFunction(0, bytes(1, 0x01)) == toBigEndian(u256(0x8765)));
-	BOOST_CHECK(callFunction(1, bytes(1, 0x00) + toBigEndian(u256(0x3))) == bytes());
-	BOOST_CHECK(callFunction(0, bytes(1, 0x00)) == toBigEndian(u256(0x3)));
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0x00)) == toBigEndian(u256(0)));
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0x01)) == toBigEndian(u256(0)));
+	BOOST_CHECK(callContractFunction(1, bytes(1, 0x00) + toBigEndian(u256(0x1234))) == bytes());
+	BOOST_CHECK(callContractFunction(1, bytes(1, 0x01) + toBigEndian(u256(0x8765))) == bytes());
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0x00)) == toBigEndian(u256(0x1234)));
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0x01)) == toBigEndian(u256(0x8765)));
+	BOOST_CHECK(callContractFunction(1, bytes(1, 0x00) + toBigEndian(u256(0x3))) == bytes());
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0x00)) == toBigEndian(u256(0x3)));
+}
+
+BOOST_AUTO_TEST_CASE(simple_mapping)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  mapping(uint8 => uint8) table;\n"
+							 "  function get(uint8 k) returns (uint8 v) {\n"
+							 "    return table[k];\n"
+							 "  }\n"
+							 "  function set(uint8 k, uint8 v) {\n"
+							 "    table[k] = v;\n"
+							 "  }\n"
+							 "}";
+	compileAndRun(sourceCode);
+	
+	// msvc seems to have problems with initializer-list, when there is only 1 param in the list
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0x00)) == bytes(1, 0x00));
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0x01)) == bytes(1, 0x00));
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0xa7)) == bytes(1, 0x00));
+	callContractFunction(1, bytes({0x01, 0xa1}));
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0x00)) == bytes(1, 0x00));
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0x01)) == bytes(1, 0xa1));
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0xa7)) == bytes(1, 0x00));
+	callContractFunction(1, bytes({0x00, 0xef}));
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0x00)) == bytes(1, 0xef));
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0x01)) == bytes(1, 0xa1));
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0xa7)) == bytes(1, 0x00));
+	callContractFunction(1, bytes({0x01, 0x05}));
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0x00)) == bytes(1, 0xef));
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0x01)) == bytes(1, 0x05));
+	BOOST_CHECK(callContractFunction(0, bytes(1, 0xa7)) == bytes(1, 0x00));
+}
+
+BOOST_AUTO_TEST_CASE(mapping_state)
+{
+	char const* sourceCode = "contract Ballot {\n"
+							 "  mapping(address => bool) canVote;\n"
+							 "  mapping(address => uint) voteCount;\n"
+							 "  mapping(address => bool) voted;\n"
+							 "  function getVoteCount(address addr) returns (uint retVoteCount) {\n"
+							 "    return voteCount[addr];\n"
+							 "  }\n"
+							 "  function grantVoteRight(address addr) {\n"
+							 "    canVote[addr] = true;\n"
+							 "  }\n"
+							 "  function vote(address voter, address vote) returns (bool success) {\n"
+							 "    if (!canVote[voter] || voted[voter]) return false;\n"
+							 "    voted[voter] = true;\n"
+							 "    voteCount[vote] = voteCount[vote] + 1;\n"
+							 "    return true;\n"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode);
+	class Ballot
+	{
+	public:
+		u256 getVoteCount(u160 _address) { return m_voteCount[_address]; }
+		void grantVoteRight(u160 _address) { m_canVote[_address] = true; }
+		bool vote(u160 _voter, u160 _vote)
+		{
+			if (!m_canVote[_voter] || m_voted[_voter]) return false;
+			m_voted[_voter] = true;
+			m_voteCount[_vote]++;
+			return true;
+		}
+	private:
+		map<u160, bool> m_canVote;
+		map<u160, u256> m_voteCount;
+		map<u160, bool> m_voted;
+	} ballot;
+
+	auto getVoteCount = bind(&Ballot::getVoteCount, &ballot, _1);
+	auto grantVoteRight = bind(&Ballot::grantVoteRight, &ballot, _1);
+	auto vote = bind(&Ballot::vote, &ballot, _1, _2);
+	testSolidityAgainstCpp(0, getVoteCount, u160(0));
+	testSolidityAgainstCpp(0, getVoteCount, u160(1));
+	testSolidityAgainstCpp(0, getVoteCount, u160(2));
+	// voting without vote right shourd be rejected
+	testSolidityAgainstCpp(2, vote, u160(0), u160(2));
+	testSolidityAgainstCpp(0, getVoteCount, u160(0));
+	testSolidityAgainstCpp(0, getVoteCount, u160(1));
+	testSolidityAgainstCpp(0, getVoteCount, u160(2));
+	// grant vote rights
+	testSolidityAgainstCpp(1, grantVoteRight, u160(0));
+	testSolidityAgainstCpp(1, grantVoteRight, u160(1));
+	// vote, should increase 2's vote count
+	testSolidityAgainstCpp(2, vote, u160(0), u160(2));
+	testSolidityAgainstCpp(0, getVoteCount, u160(0));
+	testSolidityAgainstCpp(0, getVoteCount, u160(1));
+	testSolidityAgainstCpp(0, getVoteCount, u160(2));
+	// vote again, should be rejected
+	testSolidityAgainstCpp(2, vote, u160(0), u160(1));
+	testSolidityAgainstCpp(0, getVoteCount, u160(0));
+	testSolidityAgainstCpp(0, getVoteCount, u160(1));
+	testSolidityAgainstCpp(0, getVoteCount, u160(2));
+	// vote without right to vote
+	testSolidityAgainstCpp(2, vote, u160(2), u160(1));
+	testSolidityAgainstCpp(0, getVoteCount, u160(0));
+	testSolidityAgainstCpp(0, getVoteCount, u160(1));
+	testSolidityAgainstCpp(0, getVoteCount, u160(2));
+	// grant vote right and now vote again
+	testSolidityAgainstCpp(1, grantVoteRight, u160(2));
+	testSolidityAgainstCpp(2, vote, u160(2), u160(1));
+	testSolidityAgainstCpp(0, getVoteCount, u160(0));
+	testSolidityAgainstCpp(0, getVoteCount, u160(1));
+	testSolidityAgainstCpp(0, getVoteCount, u160(2));
+}
+
+BOOST_AUTO_TEST_CASE(mapping_state_inc_dec)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  uint value;\n"
+							 "  mapping(uint => uint) table;\n"
+							 "  function f(uint x) returns (uint y) {\n"
+							 "    value = x;\n"
+							 "    if (x > 0) table[++value] = 8;\n"
+							 "    if (x > 1) value--;\n"
+							 "    if (x > 2) table[value]++;\n"
+							 "    return --table[value++];\n"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode);
+
+	u256 value = 0;
+	map<u256, u256> table;
+	auto f = [&](u256 const& _x) -> u256
+	{
+		value = _x;
+		if (_x > 0)
+			table[++value] = 8;
+		if (_x > 1)
+			value --;
+		if (_x > 2)
+			table[value]++;
+		return --table[value++];
+	};
+	testSolidityAgainstCppOnRange(0, f, 0, 5);
+}
+
+BOOST_AUTO_TEST_CASE(multi_level_mapping)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  mapping(uint => mapping(uint => uint)) table;\n"
+							 "  function f(uint x, uint y, uint z) returns (uint w) {\n"
+							 "    if (z == 0) return table[x][y];\n"
+							 "    else return table[x][y] = z;\n"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode);
+
+	map<u256, map<u256, u256>> table;
+	auto f = [&](u256 const& _x, u256 const& _y, u256 const& _z) -> u256
+	{
+		if (_z == 0) return table[_x][_y];
+		else return table[_x][_y] = _z;
+	};
+	testSolidityAgainstCpp(0, f, u256(4), u256(5), u256(0));
+	testSolidityAgainstCpp(0, f, u256(5), u256(4), u256(0));
+	testSolidityAgainstCpp(0, f, u256(4), u256(5), u256(9));
+	testSolidityAgainstCpp(0, f, u256(4), u256(5), u256(0));
+	testSolidityAgainstCpp(0, f, u256(5), u256(4), u256(0));
+	testSolidityAgainstCpp(0, f, u256(5), u256(4), u256(7));
+	testSolidityAgainstCpp(0, f, u256(4), u256(5), u256(0));
+	testSolidityAgainstCpp(0, f, u256(5), u256(4), u256(0));
+}
+
+BOOST_AUTO_TEST_CASE(structs)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  struct s1 {\n"
+							 "    uint8 x;\n"
+							 "    bool y;\n"
+							 "  }\n"
+							 "  struct s2 {\n"
+							 "    uint32 z;\n"
+							 "    s1 s1data;\n"
+							 "    mapping(uint8 => s2) recursive;\n"
+							 "  }\n"
+							 "  s2 data;\n"
+							 "  function check() returns (bool ok) {\n"
+							 "    return data.z == 1 && data.s1data.x == 2 && \n"
+							 "        data.s1data.y == true && \n"
+							 "        data.recursive[3].recursive[4].z == 5 && \n"
+							 "        data.recursive[4].recursive[3].z == 6 && \n"
+							 "        data.recursive[0].s1data.y == false && \n"
+							 "        data.recursive[4].z == 9;\n"
+							 "  }\n"
+							 "  function set() {\n"
+							 "    data.z = 1;\n"
+							 "    data.s1data.x = 2;\n"
+							 "    data.s1data.y = true;\n"
+							 "    data.recursive[3].recursive[4].z = 5;\n"
+							 "    data.recursive[4].recursive[3].z = 6;\n"
+							 "    data.recursive[0].s1data.y = false;\n"
+							 "    data.recursive[4].z = 9;\n"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode);
+	BOOST_CHECK(callContractFunction(0) == bytes(1, 0x00));
+	BOOST_CHECK(callContractFunction(1) == bytes());
+	BOOST_CHECK(callContractFunction(0) == bytes(1, 0x01));
+}
+
+BOOST_AUTO_TEST_CASE(struct_reference)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  struct s2 {\n"
+							 "    uint32 z;\n"
+							 "    mapping(uint8 => s2) recursive;\n"
+							 "  }\n"
+							 "  s2 data;\n"
+							 "  function check() returns (bool ok) {\n"
+							 "    return data.z == 2 && \n"
+							 "        data.recursive[0].z == 3 && \n"
+							 "        data.recursive[0].recursive[1].z == 0 && \n"
+							 "        data.recursive[0].recursive[0].z == 1;\n"
+							 "  }\n"
+							 "  function set() {\n"
+							 "    data.z = 2;\n"
+							 "    var map = data.recursive;\n"
+							 "    s2 inner = map[0];\n"
+							 "    inner.z = 3;\n"
+							 "    inner.recursive[0].z = inner.recursive[1].z + 1;\n"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode);
+	BOOST_CHECK(callContractFunction(0) == bytes(1, 0x00));
+	BOOST_CHECK(callContractFunction(1) == bytes());
+	BOOST_CHECK(callContractFunction(0) == bytes(1, 0x01));
+}
+
+BOOST_AUTO_TEST_CASE(constructor)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  mapping(uint => uint) data;\n"
+							 "  function test() {\n"
+							 "    data[7] = 8;\n"
+							 "  }\n"
+							 "  function get(uint key) returns (uint value) {\n"
+							 "    return data[key];"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode);
+	map<u256, byte> data;
+	data[7] = 8;
+	auto get = [&](u256 const& _x) -> u256
+	{
+		return data[_x];
+	};
+	testSolidityAgainstCpp(0, get, u256(6));
+	testSolidityAgainstCpp(0, get, u256(7));
+}
+
+BOOST_AUTO_TEST_CASE(balance)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  function getBalance() returns (uint256 balance) {\n"
+							 "    return address(this).balance;\n"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode, 23);
+	BOOST_CHECK(callContractFunction(0) == toBigEndian(u256(23)));
+}
+
+BOOST_AUTO_TEST_CASE(blockchain)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  function someInfo() returns (uint256 value, address coinbase, uint256 blockNumber) {\n"
+							 "    value = msg.value;\n"
+							 "    coinbase = block.coinbase;\n"
+							 "    blockNumber = block.number;\n"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode, 27);
+	BOOST_CHECK(callContractFunction(0, bytes{0}, u256(28)) == toBigEndian(u256(28)) + bytes(20, 0) + toBigEndian(u256(1)));
+}
+
+BOOST_AUTO_TEST_CASE(function_types)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  function a(bool selector) returns (uint b) {\n"
+							 "    var f = fun1;\n"
+							 "    if (selector) f = fun2;\n"
+							 "    return f(9);\n"
+							 "  }\n"
+							 "  function fun1(uint x) returns (uint b) {\n"
+							 "    return 11;\n"
+							 "  }\n"
+							 "  function fun2(uint x) returns (uint b) {\n"
+							 "    return 12;\n"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode);
+	BOOST_CHECK(callContractFunction(0, bytes{0}) == toBigEndian(u256(11)));
+	BOOST_CHECK(callContractFunction(0, bytes{1}) == toBigEndian(u256(12)));
+}
+
+BOOST_AUTO_TEST_CASE(send_ether)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  function a(address addr, uint amount) returns (uint ret) {\n"
+							 "    addr.send(amount);\n"
+							 "    return address(this).balance;\n"
+							 "  }\n"
+							 "}\n";
+	u256 amount(130);
+	compileAndRun(sourceCode, amount + 1);
+	u160 address(23);
+	BOOST_CHECK(callContractFunction(0, address, amount) == toBigEndian(u256(1)));
+	BOOST_CHECK_EQUAL(m_state.balance(address), amount);
+}
+
+BOOST_AUTO_TEST_CASE(suicide)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  function a(address receiver) returns (uint ret) {\n"
+							 "    suicide(receiver);\n"
+							 "    return 10;\n"
+							 "  }\n"
+							 "}\n";
+	u256 amount(130);
+	compileAndRun(sourceCode, amount);
+	u160 address(23);
+	BOOST_CHECK(callContractFunction(0, address) == bytes());
+	BOOST_CHECK(!m_state.addressHasCode(m_contractAddress));
+	BOOST_CHECK_EQUAL(m_state.balance(address), amount);
+}
+
+BOOST_AUTO_TEST_CASE(sha3)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  function a(hash input) returns (hash sha3hash) {\n"
+							 "    return sha3(input);\n"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode);
+	auto f = [&](u256 const& _x) -> u256
+	{
+		return dev::sha3(toBigEndian(_x));
+	};
+	testSolidityAgainstCpp(0, f, u256(4));
+	testSolidityAgainstCpp(0, f, u256(5));
+	testSolidityAgainstCpp(0, f, u256(-1));
+}
+
+BOOST_AUTO_TEST_CASE(sha256)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  function a(hash input) returns (hash sha256hash) {\n"
+							 "    return sha256(input);\n"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode);
+	auto f = [&](u256 const& _input) -> u256
+	{
+		h256 ret;
+		dev::sha256(dev::ref(toBigEndian(_input)), bytesRef(&ret[0], 32));
+		return ret;
+	};
+	testSolidityAgainstCpp(0, f, u256(4));
+	testSolidityAgainstCpp(0, f, u256(5));
+	testSolidityAgainstCpp(0, f, u256(-1));
+}
+
+BOOST_AUTO_TEST_CASE(ripemd)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  function a(hash input) returns (hash sha256hash) {\n"
+							 "    return ripemd160(input);\n"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode);
+	auto f = [&](u256 const& _input) -> u256
+	{
+		h256 ret;
+		dev::ripemd160(dev::ref(toBigEndian(_input)), bytesRef(&ret[0], 32));
+		return u256(ret) >> (256 - 160);
+	};
+	testSolidityAgainstCpp(0, f, u256(4));
+	testSolidityAgainstCpp(0, f, u256(5));
+	testSolidityAgainstCpp(0, f, u256(-1));
+}
+
+BOOST_AUTO_TEST_CASE(ecrecover)
+{
+	char const* sourceCode = "contract test {\n"
+							 "  function a(hash h, uint8 v, hash r, hash s) returns (address addr) {\n"
+							 "    return ecrecover(h, v, r, s);\n"
+							 "  }\n"
+							 "}\n";
+	compileAndRun(sourceCode);
+	u256 h("0x18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c");
+	byte v = 28;
+	u256 r("0x73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f");
+	u256 s("0xeeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549");
+	u160 addr("0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b");
+	BOOST_CHECK(callContractFunction(0, h, v, r, s) == toBigEndian(addr));
+}
+
+BOOST_AUTO_TEST_CASE(inter_contract_calls)
+{
+	char const* sourceCode = R"(
+		contract Helper {
+			function multiply(uint a, uint b) returns (uint c) {
+				return a * b;
+			}
+		}
+		contract Main {
+			Helper h;
+			function callHelper(uint a, uint b) returns (uint c) {
+				return h.multiply(a, b);
+			}
+			function getHelper() returns (address haddress) {
+				return address(h);
+			}
+			function setHelper(address haddress) {
+				h = Helper(haddress);
+			}
+		})";
+	compileAndRun(sourceCode, 0, "Helper");
+	u160 const helperAddress = m_contractAddress;
+	compileAndRun(sourceCode, 0, "Main");
+	BOOST_REQUIRE(callContractFunction(2, helperAddress) == bytes());
+	BOOST_REQUIRE(callContractFunction(1, helperAddress) == toBigEndian(helperAddress));
+	u256 a(3456789);
+	u256 b("0x282837623374623234aa74");
+	BOOST_REQUIRE(callContractFunction(0, a, b) == toBigEndian(a * b));
+}
+
+BOOST_AUTO_TEST_CASE(inter_contract_calls_with_complex_parameters)
+{
+	char const* sourceCode = R"(
+		contract Helper {
+			function sel(uint a, bool select, uint b) returns (uint c) {
+				if (select) return a; else return b;
+			}
+		}
+		contract Main {
+			Helper h;
+			function callHelper(uint a, bool select, uint b) returns (uint c) {
+				return h.sel(a, select, b) * 3;
+			}
+			function getHelper() returns (address haddress) {
+				return address(h);
+			}
+			function setHelper(address haddress) {
+				h = Helper(haddress);
+			}
+		})";
+	compileAndRun(sourceCode, 0, "Helper");
+	u160 const helperAddress = m_contractAddress;
+	compileAndRun(sourceCode, 0, "Main");
+	BOOST_REQUIRE(callContractFunction(2, helperAddress) == bytes());
+	BOOST_REQUIRE(callContractFunction(1, helperAddress) == toBigEndian(helperAddress));
+	u256 a(3456789);
+	u256 b("0x282837623374623234aa74");
+	BOOST_REQUIRE(callContractFunction(0, a, true, b) == toBigEndian(a * 3));
+	BOOST_REQUIRE(callContractFunction(0, a, false, b) == toBigEndian(b * 3));
+}
+
+BOOST_AUTO_TEST_CASE(inter_contract_calls_accessing_this)
+{
+	char const* sourceCode = R"(
+		contract Helper {
+			function getAddress() returns (address addr) {
+				return address(this);
+			}
+		}
+		contract Main {
+			Helper h;
+			function callHelper() returns (address addr) {
+				return h.getAddress();
+			}
+			function getHelper() returns (address addr) {
+				return address(h);
+			}
+			function setHelper(address addr) {
+				h = Helper(addr);
+			}
+		})";
+	compileAndRun(sourceCode, 0, "Helper");
+	u160 const helperAddress = m_contractAddress;
+	compileAndRun(sourceCode, 0, "Main");
+	BOOST_REQUIRE(callContractFunction(2, helperAddress) == bytes());
+	BOOST_REQUIRE(callContractFunction(1, helperAddress) == toBigEndian(helperAddress));
+	BOOST_REQUIRE(callContractFunction(0) == toBigEndian(helperAddress));
+}
+
+BOOST_AUTO_TEST_CASE(calls_to_this)
+{
+	char const* sourceCode = R"(
+		contract Helper {
+			function invoke(uint a, uint b) returns (uint c) {
+				return this.multiply(a, b, 10);
+			}
+			function multiply(uint a, uint b, uint8 c) returns (uint ret) {
+				return a * b + c;
+			}
+		}
+		contract Main {
+			Helper h;
+			function callHelper(uint a, uint b) returns (uint ret) {
+				return h.invoke(a, b);
+			}
+			function getHelper() returns (address addr) {
+				return address(h);
+			}
+			function setHelper(address addr) {
+				h = Helper(addr);
+			}
+		})";
+	compileAndRun(sourceCode, 0, "Helper");
+	u160 const helperAddress = m_contractAddress;
+	compileAndRun(sourceCode, 0, "Main");
+	BOOST_REQUIRE(callContractFunction(2, helperAddress) == bytes());
+	BOOST_REQUIRE(callContractFunction(1, helperAddress) == toBigEndian(helperAddress));
+	u256 a(3456789);
+	u256 b("0x282837623374623234aa74");
+	BOOST_REQUIRE(callContractFunction(0, a, b) == toBigEndian(a * b + 10));
+}
+
+BOOST_AUTO_TEST_CASE(inter_contract_calls_with_local_vars)
+{
+	// note that a reference to another contract's function occupies two stack slots,
+	// so this tests correct stack slot allocation
+	char const* sourceCode = R"(
+		contract Helper {
+			function multiply(uint a, uint b) returns (uint c) {
+				return a * b;
+			}
+		}
+		contract Main {
+			Helper h;
+			function callHelper(uint a, uint b) returns (uint c) {
+				var fu = h.multiply;
+				var y = 9;
+				var ret = fu(a, b);
+				return ret + y;
+			}
+			function getHelper() returns (address haddress) {
+				return address(h);
+			}
+			function setHelper(address haddress) {
+				h = Helper(haddress);
+			}
+		})";
+	compileAndRun(sourceCode, 0, "Helper");
+	u160 const helperAddress = m_contractAddress;
+	compileAndRun(sourceCode, 0, "Main");
+	BOOST_REQUIRE(callContractFunction(2, helperAddress) == bytes());
+	BOOST_REQUIRE(callContractFunction(1, helperAddress) == toBigEndian(helperAddress));
+	u256 a(3456789);
+	u256 b("0x282837623374623234aa74");
+	BOOST_REQUIRE(callContractFunction(0, a, b) == toBigEndian(a * b + 9));
+}
+
+BOOST_AUTO_TEST_CASE(strings_in_calls)
+{
+	char const* sourceCode = R"(
+		contract Helper {
+			function invoke(string3 x, bool stop) returns (string4 ret) {
+				return x;
+			}
+		}
+		contract Main {
+			Helper h;
+			function callHelper(string2 x, bool stop) returns (string5 ret) {
+				return h.invoke(x, stop);
+			}
+			function getHelper() returns (address addr) {
+				return address(h);
+			}
+			function setHelper(address addr) {
+				h = Helper(addr);
+			}
+		})";
+	compileAndRun(sourceCode, 0, "Helper");
+	u160 const helperAddress = m_contractAddress;
+	compileAndRun(sourceCode, 0, "Main");
+	BOOST_REQUIRE(callContractFunction(2, helperAddress) == bytes());
+	BOOST_REQUIRE(callContractFunction(1, helperAddress) == toBigEndian(helperAddress));
+	BOOST_CHECK(callContractFunction(0, bytes({0, 'a', 1})) == bytes({0, 'a', 0, 0, 0}));
 }
 
 BOOST_AUTO_TEST_SUITE_END()
diff --git a/solidityExecutionFramework.h b/solidityExecutionFramework.h
new file mode 100644
index 000000000..91ee7ad6a
--- /dev/null
+++ b/solidityExecutionFramework.h
@@ -0,0 +1,161 @@
+
+/*
+	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/>.
+*/
+/**
+ * @author Christian <c@ethdev.com>
+ * @date 2014
+ * Framework for executing Solidity contracts and testing them against C++ implementation.
+ */
+
+#pragma once
+
+#include <string>
+#include <tuple>
+#include <boost/test/unit_test.hpp>
+#include <libethereum/State.h>
+#include <libethereum/Executive.h>
+#include <libsolidity/CompilerStack.h>
+
+namespace dev
+{
+/// Provides additional overloads for toBigEndian to encode arguments and return values.
+inline bytes toBigEndian(byte _value) { return bytes({_value}); }
+inline bytes toBigEndian(bool _value) { return bytes({byte(_value)}); }
+
+namespace solidity
+{
+namespace test
+{
+
+class ExecutionFramework
+{
+public:
+	ExecutionFramework() { g_logVerbosity = 0; }
+
+	bytes const& compileAndRun(std::string const& _sourceCode, u256 const& _value = 0, std::string const& _contractName = "")
+	{
+		dev::solidity::CompilerStack compiler;
+		compiler.compile(_sourceCode, m_optimize);
+		bytes code = compiler.getBytecode(_contractName);
+		sendMessage(code, true, _value);
+		BOOST_REQUIRE(!m_output.empty());
+		return m_output;
+	}
+
+	bytes const& callContractFunction(byte _index, bytes const& _data = bytes(), u256 const& _value = 0)
+	{
+		sendMessage(bytes(1, _index) + _data, false, _value);
+		return m_output;
+	}
+
+	template <class... Args>
+	bytes const& callContractFunction(byte _index, Args const&... _arguments)
+	{
+		return callContractFunction(_index, argsToBigEndian(_arguments...));
+	}
+
+	template <class CppFunction, class... Args>
+	void testSolidityAgainstCpp(byte _index, CppFunction const& _cppFunction, Args const&... _arguments)
+	{
+		bytes solidityResult = callContractFunction(_index, _arguments...);
+		bytes cppResult = callCppAndEncodeResult(_cppFunction, _arguments...);
+		BOOST_CHECK_MESSAGE(solidityResult == cppResult, "Computed values do not match."
+							"\nSolidity: " + toHex(solidityResult) + "\nC++:      " + toHex(cppResult));
+	}
+
+	template <class CppFunction, class... Args>
+	void testSolidityAgainstCppOnRange(byte _index, CppFunction const& _cppFunction,
+									   u256 const& _rangeStart, u256 const& _rangeEnd)
+	{
+		for (u256 argument = _rangeStart; argument < _rangeEnd; ++argument)
+		{
+			bytes solidityResult = callContractFunction(_index, argument);
+			bytes cppResult = callCppAndEncodeResult(_cppFunction, argument);
+			BOOST_CHECK_MESSAGE(solidityResult == cppResult, "Computed values do not match."
+								"\nSolidity: " + toHex(solidityResult) + "\nC++:      " + toHex(cppResult) +
+								"\nArgument: " + toHex(toBigEndian(argument)));
+		}
+	}
+
+private:
+	template <class FirstArg, class... Args>
+	bytes argsToBigEndian(FirstArg const& _firstArg, Args const&... _followingArgs) const
+	{
+		return toBigEndian(_firstArg) + argsToBigEndian(_followingArgs...);
+	}
+
+	bytes argsToBigEndian() const { return bytes(); }
+
+	template <class CppFunction, class... Args>
+	auto callCppAndEncodeResult(CppFunction const& _cppFunction, Args const&... _arguments)
+	-> typename std::enable_if<std::is_void<decltype(_cppFunction(_arguments...))>::value, bytes>::type
+	{
+		_cppFunction(_arguments...);
+		return bytes();
+	}
+	template <class CppFunction, class... Args>
+	auto callCppAndEncodeResult(CppFunction const& _cppFunction, Args const&... _arguments)
+	-> typename std::enable_if<!std::is_void<decltype(_cppFunction(_arguments...))>::value, bytes>::type
+	{
+		return toBigEndian(_cppFunction(_arguments...));
+	}
+
+	void sendMessage(bytes const& _data, bool _isCreation, u256 const& _value = 0)
+	{
+		m_state.addBalance(m_sender, _value); // just in case
+		eth::Executive executive(m_state, 0);
+		eth::Transaction t = _isCreation ? eth::Transaction(_value, m_gasPrice, m_gas, _data, 0, KeyPair::create().sec())
+										 : eth::Transaction(_value, m_gasPrice, m_gas, m_contractAddress, _data, 0, KeyPair::create().sec());
+		bytes transactionRLP = t.rlp();
+		try
+		{
+			// this will throw since the transaction is invalid, but it should nevertheless store the transaction
+			executive.setup(&transactionRLP);
+		}
+		catch (...) {}
+		if (_isCreation)
+		{
+			BOOST_REQUIRE(!executive.create(m_sender, _value, m_gasPrice, m_gas, &_data, m_sender));
+			m_contractAddress = executive.newAddress();
+			BOOST_REQUIRE(m_contractAddress);
+			BOOST_REQUIRE(m_state.addressHasCode(m_contractAddress));
+		}
+		else
+		{
+			BOOST_REQUIRE(m_state.addressHasCode(m_contractAddress));
+			BOOST_REQUIRE(!executive.call(m_contractAddress, m_contractAddress, m_sender, _value, m_gasPrice, &_data, m_gas, m_sender));
+		}
+		BOOST_REQUIRE(executive.go());
+		m_state.noteSending(m_sender);
+		executive.finalize();
+		m_output = executive.out().toVector();
+	}
+
+protected:
+	bool m_optimize = false;
+	Address m_sender;
+	Address m_contractAddress;
+	eth::State m_state;
+	u256 const m_gasPrice = 100 * eth::szabo;
+	u256 const m_gas = 1000000;
+	bytes m_output;
+};
+
+}
+}
+} // end namespaces
+
diff --git a/solidityExpressionCompiler.cpp b/solidityExpressionCompiler.cpp
index 59a9e9336..c05db25d4 100644
--- a/solidityExpressionCompiler.cpp
+++ b/solidityExpressionCompiler.cpp
@@ -76,8 +76,11 @@ Declaration const& resolveDeclaration(vector<string> const& _namespacedName,
 											  NameAndTypeResolver const& _resolver)
 {
 	Declaration const* declaration = nullptr;
+	// bracers are required, cause msvc couldnt handle this macro in for statement
 	for (string const& namePart: _namespacedName)
+	{
 		BOOST_REQUIRE(declaration = _resolver.resolveName(namePart, declaration));
+	}
 	BOOST_REQUIRE(declaration);
 	return *declaration;
 }
@@ -86,27 +89,34 @@ bytes compileFirstExpression(const string& _sourceCode, vector<vector<string>> _
 							 vector<vector<string>> _localVariables = {})
 {
 	Parser parser;
-	ASTPointer<ContractDefinition> contract;
-	BOOST_REQUIRE_NO_THROW(contract = parser.parse(make_shared<Scanner>(CharStream(_sourceCode))));
-	NameAndTypeResolver resolver;
-	BOOST_REQUIRE_NO_THROW(resolver.resolveNamesAndTypes(*contract));
-	FirstExpressionExtractor extractor(*contract);
-	BOOST_REQUIRE(extractor.getExpression() != nullptr);
+	ASTPointer<SourceUnit> sourceUnit;
+	BOOST_REQUIRE_NO_THROW(sourceUnit = parser.parse(make_shared<Scanner>(CharStream(_sourceCode))));
+	NameAndTypeResolver resolver({});
+	resolver.registerDeclarations(*sourceUnit);
+	for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+		if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
+		{
+			BOOST_REQUIRE_NO_THROW(resolver.resolveNamesAndTypes(*contract));
+			FirstExpressionExtractor extractor(*contract);
+			BOOST_REQUIRE(extractor.getExpression() != nullptr);
 
-	CompilerContext context;
-	for (vector<string> const& function: _functions)
-		context.addFunction(dynamic_cast<FunctionDefinition const&>(resolveDeclaration(function, resolver)));
-	for (vector<string> const& variable: _localVariables)
-		context.addVariable(dynamic_cast<VariableDeclaration const&>(resolveDeclaration(variable, resolver)));
+			CompilerContext context;
+			for (vector<string> const& function: _functions)
+				context.addFunction(dynamic_cast<FunctionDefinition const&>(resolveDeclaration(function, resolver)));
+			for (vector<string> const& variable: _localVariables)
+				context.addVariable(dynamic_cast<VariableDeclaration const&>(resolveDeclaration(variable, resolver)));
 
-	ExpressionCompiler::compileExpression(context, *extractor.getExpression());
+			ExpressionCompiler::compileExpression(context, *extractor.getExpression());
 
-	for (vector<string> const& function: _functions)
-		context << context.getFunctionEntryLabel(dynamic_cast<FunctionDefinition const&>(resolveDeclaration(function, resolver)));
-	bytes instructions = context.getAssembledBytecode();
-	// debug
-	// cout << eth::disassemble(instructions) << endl;
-	return instructions;
+			for (vector<string> const& function: _functions)
+				context << context.getFunctionEntryLabel(dynamic_cast<FunctionDefinition const&>(resolveDeclaration(function, resolver)));
+			bytes instructions = context.getAssembledBytecode();
+			// debug
+			// cout << eth::disassemble(instructions) << endl;
+			return instructions;
+		}
+	BOOST_FAIL("No contract found in source.");
+	return bytes();
 }
 
 } // end anonymous namespace
diff --git a/solidityJSONInterfaceTest.cpp b/solidityJSONInterfaceTest.cpp
new file mode 100644
index 000000000..c734009c3
--- /dev/null
+++ b/solidityJSONInterfaceTest.cpp
@@ -0,0 +1,229 @@
+/*
+	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/>.
+ */
+/**
+ * @author Marek Kotewicz <marek@ethdev.com>
+ * @date 2014
+ * Unit tests for the solidity compiler JSON Interface output.
+ */
+
+#include <boost/test/unit_test.hpp>
+#include <libsolidity/CompilerStack.h>
+#include <jsoncpp/json/json.h>
+#include <libdevcore/Exceptions.h>
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+class InterfaceChecker
+{
+public:
+	void checkInterface(std::string const& _code, std::string const& _expectedInterfaceString)
+	{
+		try
+		{
+			m_compilerStack.parse(_code);
+		}
+		catch (const std::exception& e)
+		{
+			std::string const* extra = boost::get_error_info<errinfo_comment>(e);
+			std::string msg = std::string("Parsing contract failed with: ") +
+				e.what() + std::string("\n");
+			if (extra)
+				msg += *extra;
+			BOOST_FAIL(msg);
+		}
+		std::string generatedInterfaceString = m_compilerStack.getJsonDocumentation("", DocumentationType::ABI_INTERFACE);
+		Json::Value generatedInterface;
+		m_reader.parse(generatedInterfaceString, generatedInterface);
+		Json::Value expectedInterface;
+		m_reader.parse(_expectedInterfaceString, expectedInterface);
+		BOOST_CHECK_MESSAGE(expectedInterface == generatedInterface,
+							"Expected " << _expectedInterfaceString <<
+							"\n but got:\n" << generatedInterfaceString);
+	}
+
+private:
+	CompilerStack m_compilerStack;
+	Json::Reader m_reader;
+};
+
+BOOST_FIXTURE_TEST_SUITE(SolidityABIJSON, InterfaceChecker)
+
+BOOST_AUTO_TEST_CASE(basic_test)
+{
+	char const* sourceCode = "contract test {\n"
+	"  function f(uint a) returns(uint d) { return a * 7; }\n"
+	"}\n";
+
+	char const* interface = R"([
+	{
+		"name": "f",
+		"inputs": [
+		{
+			"name": "a",
+			"type": "uint256"
+		}
+		],
+		"outputs": [
+		{
+			"name": "d",
+			"type": "uint256"
+		}
+		]
+	}
+	])";
+
+	checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(empty_contract)
+{
+	char const* sourceCode = "contract test {\n"
+	"}\n";
+
+	char const* interface = "[]";
+
+	checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(multiple_methods)
+{
+	char const* sourceCode = "contract test {\n"
+	"  function f(uint a) returns(uint d) { return a * 7; }\n"
+	"  function g(uint b) returns(uint e) { return b * 8; }\n"
+	"}\n";
+
+	char const* interface = R"([
+	{
+		"name": "f",
+		"inputs": [
+		{
+			"name": "a",
+			"type": "uint256"
+		}
+		],
+		"outputs": [
+		{
+			"name": "d",
+			"type": "uint256"
+		}
+		]
+	},
+	{
+		"name": "g",
+		"inputs": [
+		{
+			"name": "b",
+			"type": "uint256"
+		}
+		],
+		"outputs": [
+		{
+			"name": "e",
+			"type": "uint256"
+		}
+		]
+	}
+	])";
+
+	checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(multiple_params)
+{
+	char const* sourceCode = "contract test {\n"
+	"  function f(uint a, uint b) returns(uint d) { return a + b; }\n"
+	"}\n";
+
+	char const* interface = R"([
+	{
+		"name": "f",
+		"inputs": [
+		{
+			"name": "a",
+			"type": "uint256"
+		},
+		{
+			"name": "b",
+			"type": "uint256"
+		}
+		],
+		"outputs": [
+		{
+			"name": "d",
+			"type": "uint256"
+		}
+		]
+	}
+	])";
+
+	checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(multiple_methods_order)
+{
+	// methods are expected to be in alpabetical order
+	char const* sourceCode = "contract test {\n"
+	"  function f(uint a) returns(uint d) { return a * 7; }\n"
+	"  function c(uint b) returns(uint e) { return b * 8; }\n"
+	"}\n";
+
+	char const* interface = R"([
+	{
+		"name": "c",
+		"inputs": [
+		{
+			"name": "b",
+			"type": "uint256"
+		}
+		],
+		"outputs": [
+		{
+			"name": "e",
+			"type": "uint256"
+		}
+		]
+	},
+	{
+		"name": "f",
+		"inputs": [
+		{
+			"name": "a",
+			"type": "uint256"
+		}
+		],
+		"outputs": [
+		{
+			"name": "d",
+			"type": "uint256"
+		}
+		]
+	}
+	])";
+
+	checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+}
diff --git a/solidityNameAndTypeResolution.cpp b/solidityNameAndTypeResolution.cpp
index f46ad6733..03eaebb3a 100644
--- a/solidityNameAndTypeResolution.cpp
+++ b/solidityNameAndTypeResolution.cpp
@@ -41,10 +41,12 @@ namespace
 void parseTextAndResolveNames(std::string const& _source)
 {
 	Parser parser;
-	ASTPointer<ContractDefinition> contract = parser.parse(
-										   std::make_shared<Scanner>(CharStream(_source)));
-	NameAndTypeResolver resolver;
-	resolver.resolveNamesAndTypes(*contract);
+	ASTPointer<SourceUnit> sourceUnit = parser.parse(std::make_shared<Scanner>(CharStream(_source)));
+	NameAndTypeResolver resolver({});
+	resolver.registerDeclarations(*sourceUnit);
+	for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+		if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
+			resolver.resolveNamesAndTypes(*contract);
 }
 }
 
@@ -121,6 +123,44 @@ BOOST_AUTO_TEST_CASE(reference_to_later_declaration)
 	BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
 }
 
+BOOST_AUTO_TEST_CASE(struct_definition_directly_recursive)
+{
+	char const* text = "contract test {\n"
+					   "  struct MyStructName {\n"
+					   "    address addr;\n"
+					   "    MyStructName x;\n"
+					   "  }\n"
+					   "}\n";
+	BOOST_CHECK_THROW(parseTextAndResolveNames(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(struct_definition_indirectly_recursive)
+{
+	char const* text = "contract test {\n"
+					   "  struct MyStructName1 {\n"
+					   "    address addr;\n"
+					   "    uint256 count;\n"
+					   "    MyStructName2 x;\n"
+					   "  }\n"
+					   "  struct MyStructName2 {\n"
+					   "    MyStructName1 x;\n"
+					   "  }\n"
+					   "}\n";
+	BOOST_CHECK_THROW(parseTextAndResolveNames(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(struct_definition_recursion_via_mapping)
+{
+	char const* text = "contract test {\n"
+					   "  struct MyStructName1 {\n"
+					   "    address addr;\n"
+					   "    uint256 count;\n"
+					   "    mapping(uint => MyStructName1) x;\n"
+					   "  }\n"
+					   "}\n";
+	BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
+}
+
 BOOST_AUTO_TEST_CASE(type_inference_smoke_test)
 {
 	char const* text = "contract test {\n"
@@ -186,6 +226,64 @@ BOOST_AUTO_TEST_CASE(type_inference_explicit_conversion)
 	BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
 }
 
+BOOST_AUTO_TEST_CASE(large_string_literal)
+{
+	char const* text = "contract test {\n"
+					   "  function f() { var x = \"123456789012345678901234567890123\"; }"
+					   "}\n";
+	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(balance)
+{
+	char const* text = "contract test {\n"
+					   "  function fun() {\n"
+					   "    uint256 x = address(0).balance;\n"
+					   "  }\n"
+					   "}\n";
+	BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
+}
+
+BOOST_AUTO_TEST_CASE(balance_invalid)
+{
+	char const* text = "contract test {\n"
+					   "  function fun() {\n"
+					   "    address(0).balance = 7;\n"
+					   "  }\n"
+					   "}\n";
+	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(assignment_to_mapping)
+{
+	char const* text = "contract test {\n"
+					   "  struct str {\n"
+					   "    mapping(uint=>uint) map;\n"
+					   "  }\n"
+					   "  str data;"
+					   "  function fun() {\n"
+					   "    var a = data.map;\n"
+					   "    data.map = a;\n"
+					   "  }\n"
+					   "}\n";
+	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(assignment_to_struct)
+{
+	char const* text = "contract test {\n"
+					   "  struct str {\n"
+					   "    mapping(uint=>uint) map;\n"
+					   "  }\n"
+					   "  str data;"
+					   "  function fun() {\n"
+					   "    var a = data;\n"
+					   "    data = a;\n"
+					   "  }\n"
+					   "}\n";
+	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }
diff --git a/solidityNatspecJSON.cpp b/solidityNatspecJSON.cpp
new file mode 100644
index 000000000..2c3ded08d
--- /dev/null
+++ b/solidityNatspecJSON.cpp
@@ -0,0 +1,488 @@
+/*
+	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/>.
+ */
+/**
+ * @author Lefteris Karapetsas <lefteris@ethdev.com>
+ * @date 2014
+ * Unit tests for the solidity compiler JSON Interface output.
+ */
+
+#include <boost/test/unit_test.hpp>
+#include <jsoncpp/json/json.h>
+#include <libsolidity/CompilerStack.h>
+#include <libsolidity/Exceptions.h>
+#include <libdevcore/Exceptions.h>
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+class DocumentationChecker
+{
+public:
+	void checkNatspec(std::string const& _code,
+					  std::string const& _expectedDocumentationString,
+					  bool _userDocumentation)
+	{
+		std::string generatedDocumentationString;
+		try
+		{
+			m_compilerStack.parse(_code);
+		}
+		catch (const std::exception& e)
+		{
+			std::string const* extra = boost::get_error_info<errinfo_comment>(e);
+			std::string msg = std::string("Parsing contract failed with: ") +
+				e.what() + std::string("\n");
+			if (extra)
+				msg += *extra;
+			BOOST_FAIL(msg);
+		}
+
+		if (_userDocumentation)
+			generatedDocumentationString = m_compilerStack.getJsonDocumentation("", DocumentationType::NATSPEC_USER);
+		else
+			generatedDocumentationString = m_compilerStack.getJsonDocumentation("", DocumentationType::NATSPEC_DEV);
+		Json::Value generatedDocumentation;
+		m_reader.parse(generatedDocumentationString, generatedDocumentation);
+		Json::Value expectedDocumentation;
+		m_reader.parse(_expectedDocumentationString, expectedDocumentation);
+		BOOST_CHECK_MESSAGE(expectedDocumentation == generatedDocumentation,
+							"Expected " << _expectedDocumentationString <<
+							"\n but got:\n" << generatedDocumentationString);
+	}
+
+private:
+	CompilerStack m_compilerStack;
+	Json::Reader m_reader;
+};
+
+BOOST_FIXTURE_TEST_SUITE(SolidityNatspecJSON, DocumentationChecker)
+
+BOOST_AUTO_TEST_CASE(user_basic_test)
+{
+	char const* sourceCode = "contract test {\n"
+	"  /// @notice Multiplies `a` by 7\n"
+	"  function mul(uint a) returns(uint d) { return a * 7; }\n"
+	"}\n";
+
+	char const* natspec = "{"
+	"\"methods\":{"
+	"    \"mul\":{ \"notice\": \"Multiplies `a` by 7\"}"
+	"}}";
+
+	checkNatspec(sourceCode, natspec, true);
+}
+
+BOOST_AUTO_TEST_CASE(dev_and_user_basic_test)
+{
+	char const* sourceCode = "contract test {\n"
+	"  /// @notice Multiplies `a` by 7\n"
+	"  /// @dev Multiplies a number by 7\n"
+	"  function mul(uint a) returns(uint d) { return a * 7; }\n"
+	"}\n";
+
+	char const* devNatspec = "{"
+	"\"methods\":{"
+	"    \"mul\":{ \n"
+	"        \"details\": \"Multiplies a number by 7\"\n"
+	"        }\n"
+	"    }\n"
+	"}}";
+
+	char const* userNatspec = "{"
+	"\"methods\":{"
+	"    \"mul\":{ \"notice\": \"Multiplies `a` by 7\"}"
+	"}}";
+
+	checkNatspec(sourceCode, devNatspec, false);
+	checkNatspec(sourceCode, userNatspec, true);
+}
+
+BOOST_AUTO_TEST_CASE(user_multiline_comment)
+{
+	char const* sourceCode = "contract test {\n"
+	"  /// @notice Multiplies `a` by 7\n"
+	"  /// and then adds `b`\n"
+	"  function mul_and_add(uint a, uint256 b) returns(uint256 d)\n"
+	"  {\n"
+	"      return (a * 7) + b;\n"
+	"  }\n"
+	"}\n";
+
+	char const* natspec = "{"
+	"\"methods\":{"
+	"    \"mul_and_add\":{ \"notice\": \"Multiplies `a` by 7 and then adds `b`\"}"
+	"}}";
+
+	checkNatspec(sourceCode, natspec, true);
+}
+
+BOOST_AUTO_TEST_CASE(user_multiple_functions)
+{
+	char const* sourceCode = "contract test {\n"
+	"  /// @notice Multiplies `a` by 7 and then adds `b`\n"
+	"  function mul_and_add(uint a, uint256 b) returns(uint256 d)\n"
+	"  {\n"
+	"      return (a * 7) + b;\n"
+	"  }\n"
+	"\n"
+	"  /// @notice Divides `input` by `div`\n"
+	"  function divide(uint input, uint div) returns(uint d)\n"
+	"  {\n"
+	"      return input / div;\n"
+	"  }\n"
+	"  /// @notice Subtracts 3 from `input`\n"
+	"  function sub(int input) returns(int d)\n"
+	"  {\n"
+	"      return input - 3;\n"
+	"  }\n"
+	"}\n";
+
+	char const* natspec = "{"
+	"\"methods\":{"
+	"    \"mul_and_add\":{ \"notice\": \"Multiplies `a` by 7 and then adds `b`\"},"
+	"    \"divide\":{ \"notice\": \"Divides `input` by `div`\"},"
+	"    \"sub\":{ \"notice\": \"Subtracts 3 from `input`\"}"
+	"}}";
+
+	checkNatspec(sourceCode, natspec, true);
+}
+
+BOOST_AUTO_TEST_CASE(user_empty_contract)
+{
+	char const* sourceCode = "contract test {\n"
+	"}\n";
+
+	char const* natspec = "{\"methods\":{} }";
+
+	checkNatspec(sourceCode, natspec, true);
+}
+
+BOOST_AUTO_TEST_CASE(dev_and_user_no_doc)
+{
+	char const* sourceCode = "contract test {\n"
+	"  function mul(uint a) returns(uint d) { return a * 7; }\n"
+	"  function sub(int input) returns(int d)\n"
+	"  {\n"
+	"      return input - 3;\n"
+	"  }\n"
+	"}\n";
+
+	char const* devNatspec = "{\"methods\":{}}";
+
+	char const* userNatspec = "{\"methods\":{}}";
+
+	checkNatspec(sourceCode, devNatspec, false);
+	checkNatspec(sourceCode, userNatspec, true);
+}
+
+BOOST_AUTO_TEST_CASE(dev_desc_after_nl)
+{
+	char const* sourceCode = "contract test {\n"
+	"  /// @dev\n"
+	"  /// Multiplies a number by 7 and adds second parameter\n"
+	"  /// @param a Documentation for the first parameter\n"
+	"  /// @param second Documentation for the second parameter\n"
+	"  function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+	"}\n";
+
+	char const* natspec = "{"
+	"\"methods\":{"
+	"    \"mul\":{ \n"
+	"        \"details\": \" Multiplies a number by 7 and adds second parameter\",\n"
+	"        \"params\": {\n"
+	"            \"a\": \"Documentation for the first parameter\",\n"
+	"            \"second\": \"Documentation for the second parameter\"\n"
+	"        }\n"
+	"    }\n"
+	"}}";
+
+	checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_multiple_params)
+{
+	char const* sourceCode = "contract test {\n"
+	"  /// @dev Multiplies a number by 7 and adds second parameter\n"
+	"  /// @param a Documentation for the first parameter\n"
+	"  /// @param second Documentation for the second parameter\n"
+	"  function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+	"}\n";
+
+	char const* natspec = "{"
+	"\"methods\":{"
+	"    \"mul\":{ \n"
+	"        \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
+	"        \"params\": {\n"
+	"            \"a\": \"Documentation for the first parameter\",\n"
+	"            \"second\": \"Documentation for the second parameter\"\n"
+	"        }\n"
+	"    }\n"
+	"}}";
+
+	checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_mutiline_param_description)
+{
+	char const* sourceCode = "contract test {\n"
+	"  /// @dev Multiplies a number by 7 and adds second parameter\n"
+	"  /// @param a Documentation for the first parameter starts here.\n"
+	"  /// Since it's a really complicated parameter we need 2 lines\n"
+	"  /// @param second Documentation for the second parameter\n"
+	"  function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+	"}\n";
+
+	char const* natspec = "{"
+	"\"methods\":{"
+	"    \"mul\":{ \n"
+	"        \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
+	"        \"params\": {\n"
+	"            \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
+	"            \"second\": \"Documentation for the second parameter\"\n"
+	"        }\n"
+	"    }\n"
+	"}}";
+
+	checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_multiple_functions)
+{
+	char const* sourceCode = "contract test {\n"
+	"  /// @dev Multiplies a number by 7 and adds second parameter\n"
+	"  /// @param a Documentation for the first parameter\n"
+	"  /// @param second Documentation for the second parameter\n"
+	"  function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+	"  \n"
+	"  /// @dev Divides 2 numbers\n"
+	"  /// @param input Documentation for the input parameter\n"
+	"  /// @param div Documentation for the div parameter\n"
+	"  function divide(uint input, uint div) returns(uint d)\n"
+	"  {\n"
+	"      return input / div;\n"
+	"  }\n"
+	"  /// @dev Subtracts 3 from `input`\n"
+	"  /// @param input Documentation for the input parameter\n"
+	"  function sub(int input) returns(int d)\n"
+	"  {\n"
+	"      return input - 3;\n"
+	"  }\n"
+	"}\n";
+
+	char const* natspec = "{"
+	"\"methods\":{"
+	"    \"mul\":{ \n"
+	"        \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
+	"        \"params\": {\n"
+	"            \"a\": \"Documentation for the first parameter\",\n"
+	"            \"second\": \"Documentation for the second parameter\"\n"
+	"        }\n"
+	"    },\n"
+	"    \"divide\":{ \n"
+	"        \"details\": \"Divides 2 numbers\",\n"
+	"        \"params\": {\n"
+	"            \"input\": \"Documentation for the input parameter\",\n"
+	"            \"div\": \"Documentation for the div parameter\"\n"
+	"        }\n"
+	"    },\n"
+	"    \"sub\":{ \n"
+	"        \"details\": \"Subtracts 3 from `input`\",\n"
+	"        \"params\": {\n"
+	"            \"input\": \"Documentation for the input parameter\"\n"
+	"        }\n"
+	"    }\n"
+	"}}";
+
+	checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_return)
+{
+	char const* sourceCode = "contract test {\n"
+	"  /// @dev Multiplies a number by 7 and adds second parameter\n"
+	"  /// @param a Documentation for the first parameter starts here.\n"
+	"  /// Since it's a really complicated parameter we need 2 lines\n"
+	"  /// @param second Documentation for the second parameter\n"
+	"  /// @return The result of the multiplication\n"
+	"  function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+	"}\n";
+
+	char const* natspec = "{"
+	"\"methods\":{"
+	"    \"mul\":{ \n"
+	"        \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
+	"        \"params\": {\n"
+	"            \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
+	"            \"second\": \"Documentation for the second parameter\"\n"
+	"        },\n"
+	"        \"return\": \"The result of the multiplication\"\n"
+	"    }\n"
+	"}}";
+
+	checkNatspec(sourceCode, natspec, false);
+}
+BOOST_AUTO_TEST_CASE(dev_return_desc_after_nl)
+{
+	char const* sourceCode = "contract test {\n"
+	"  /// @dev Multiplies a number by 7 and adds second parameter\n"
+	"  /// @param a Documentation for the first parameter starts here.\n"
+	"  /// Since it's a really complicated parameter we need 2 lines\n"
+	"  /// @param second Documentation for the second parameter\n"
+	"  /// @return\n"
+	"  /// The result of the multiplication\n"
+	"  function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+	"}\n";
+
+	char const* natspec = "{"
+	"\"methods\":{"
+	"    \"mul\":{ \n"
+	"        \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
+	"        \"params\": {\n"
+	"            \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
+	"            \"second\": \"Documentation for the second parameter\"\n"
+	"        },\n"
+	"        \"return\": \" The result of the multiplication\"\n"
+	"    }\n"
+	"}}";
+
+	checkNatspec(sourceCode, natspec, false);
+}
+
+
+BOOST_AUTO_TEST_CASE(dev_multiline_return)
+{
+	char const* sourceCode = "contract test {\n"
+	"  /// @dev Multiplies a number by 7 and adds second parameter\n"
+	"  /// @param a Documentation for the first parameter starts here.\n"
+	"  /// Since it's a really complicated parameter we need 2 lines\n"
+	"  /// @param second Documentation for the second parameter\n"
+	"  /// @return The result of the multiplication\n"
+	"  /// and cookies with nutella\n"
+	"  function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+	"}\n";
+
+	char const* natspec = "{"
+	"\"methods\":{"
+	"    \"mul\":{ \n"
+	"        \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
+	"        \"params\": {\n"
+	"            \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
+	"            \"second\": \"Documentation for the second parameter\"\n"
+	"        },\n"
+	"        \"return\": \"The result of the multiplication and cookies with nutella\"\n"
+	"    }\n"
+	"}}";
+
+	checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_contract_no_doc)
+{
+	char const* sourceCode = "contract test {\n"
+	"  /// @dev Mul function\n"
+	"  function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+	"}\n";
+
+	char const* natspec = "{"
+	"    \"methods\":{"
+	"        \"mul\":{ \n"
+	"            \"details\": \"Mul function\"\n"
+	"        }\n"
+	"    }\n"
+	"}";
+
+	checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_contract_doc)
+{
+	char const* sourceCode = " /// @author Lefteris\n"
+	" /// @title Just a test contract\n"
+	"contract test {\n"
+	"  /// @dev Mul function\n"
+	"  function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+	"}\n";
+
+	char const* natspec = "{"
+	"    \"author\": \"Lefteris\","
+	"    \"title\": \"Just a test contract\","
+	"    \"methods\":{"
+	"        \"mul\":{ \n"
+	"            \"details\": \"Mul function\"\n"
+	"        }\n"
+	"    }\n"
+	"}";
+
+	checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_author_at_function)
+{
+	char const* sourceCode = " /// @author Lefteris\n"
+	" /// @title Just a test contract\n"
+	"contract test {\n"
+	"  /// @dev Mul function\n"
+	"  /// @author John Doe\n"
+	"  function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+	"}\n";
+
+	char const* natspec = "{"
+	"    \"author\": \"Lefteris\","
+	"    \"title\": \"Just a test contract\","
+	"    \"methods\":{"
+	"        \"mul\":{ \n"
+	"            \"details\": \"Mul function\",\n"
+	"            \"author\": \"John Doe\",\n"
+	"        }\n"
+	"    }\n"
+	"}";
+
+	checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_title_at_function_error)
+{
+	char const* sourceCode = " /// @author Lefteris\n"
+	" /// @title Just a test contract\n"
+	"contract test {\n"
+	"  /// @dev Mul function\n"
+	"  /// @title I really should not be here\n"
+	"  function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+	"}\n";
+
+	char const* natspec = "{"
+	"    \"author\": \"Lefteris\","
+	"    \"title\": \"Just a test contract\","
+	"    \"methods\":{"
+	"        \"mul\":{ \n"
+	"            \"details\": \"Mul function\"\n"
+	"        }\n"
+	"    }\n"
+	"}";
+
+	BOOST_CHECK_THROW(checkNatspec(sourceCode, natspec, false), DocstringParsingError);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+}
diff --git a/solidityOptimizerTest.cpp b/solidityOptimizerTest.cpp
new file mode 100644
index 000000000..388e0579c
--- /dev/null
+++ b/solidityOptimizerTest.cpp
@@ -0,0 +1,146 @@
+
+/*
+	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/>.
+*/
+/**
+ * @author Christian <c@ethdev.com>
+ * @date 2014
+ * Tests for the Solidity optimizer.
+ */
+
+#include <string>
+#include <tuple>
+#include <boost/test/unit_test.hpp>
+#include <boost/lexical_cast.hpp>
+#include <test/solidityExecutionFramework.h>
+
+using namespace std;
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+class OptimizerTestFramework: public ExecutionFramework
+{
+public:
+	OptimizerTestFramework() { }
+	/// Compiles the source code with and without optimizing.
+	void compileBothVersions(unsigned _expectedSizeDecrease, std::string const& _sourceCode, u256 const& _value = 0, std::string const& _contractName = "") {
+		m_optimize = false;
+		bytes nonOptimizedBytecode = compileAndRun(_sourceCode, _value, _contractName);
+		m_nonOptimizedContract = m_contractAddress;
+		m_optimize = true;
+		bytes optimizedBytecode = compileAndRun(_sourceCode, _value, _contractName);
+		int sizeDiff = nonOptimizedBytecode.size() - optimizedBytecode.size();
+		BOOST_CHECK_MESSAGE(sizeDiff == int(_expectedSizeDecrease), "Bytecode did only shrink by "
+							+ boost::lexical_cast<string>(sizeDiff) + " bytes, expected: "
+							+ boost::lexical_cast<string>(_expectedSizeDecrease));
+		m_optimizedContract = m_contractAddress;
+	}
+
+	template <class... Args>
+	void compareVersions(byte _index, Args const&... _arguments)
+	{
+		m_contractAddress = m_nonOptimizedContract;
+		bytes nonOptimizedOutput = callContractFunction(_index, _arguments...);
+		m_contractAddress = m_optimizedContract;
+		bytes optimizedOutput = callContractFunction(_index, _arguments...);
+		BOOST_CHECK_MESSAGE(nonOptimizedOutput == optimizedOutput, "Computed values do not match."
+							"\nNon-Optimized: " + toHex(nonOptimizedOutput) +
+							"\nOptimized:     " + toHex(optimizedOutput));
+	}
+
+protected:
+	Address m_optimizedContract;
+	Address m_nonOptimizedContract;
+};
+
+BOOST_FIXTURE_TEST_SUITE(SolidityOptimizerTest, OptimizerTestFramework)
+
+BOOST_AUTO_TEST_CASE(smoke_test)
+{
+	char const* sourceCode = R"(
+		contract test {
+			function f(uint a) returns (uint b) {
+				return a;
+			}
+		})";
+	compileBothVersions(4, sourceCode);
+	compareVersions(0, u256(7));
+}
+
+BOOST_AUTO_TEST_CASE(large_integers)
+{
+	char const* sourceCode = R"(
+		contract test {
+			function f() returns (uint a, uint b) {
+				a = 0x234234872642837426347000000;
+				b = 0x110000000000000000000000002;
+			}
+		})";
+	compileBothVersions(28, sourceCode);
+	compareVersions(0);
+}
+
+BOOST_AUTO_TEST_CASE(invariants)
+{
+	char const* sourceCode = R"(
+		contract test {
+			function f(uint a) returns (uint b) {
+				return (((a + (1 - 1)) ^ 0) | 0) & (uint(0) - 1);
+			}
+		})";
+	compileBothVersions(28, sourceCode);
+	compareVersions(0, u256(0x12334664));
+}
+
+BOOST_AUTO_TEST_CASE(unused_expressions)
+{
+	char const* sourceCode = R"(
+		contract test {
+			uint data;
+			function f() returns (uint a, uint b) {
+				10 + 20;
+				data;
+			}
+		})";
+	compileBothVersions(11, sourceCode);
+	compareVersions(0);
+}
+
+BOOST_AUTO_TEST_CASE(constant_folding_both_sides)
+{
+	// if constants involving the same associative and commutative operator are applied from both
+	// sides, the operator should be applied only once, because the expression compiler
+	// (even in non-optimized mode) pushes literals as late as possible
+	char const* sourceCode = R"(
+		contract test {
+			function f(uint x) returns (uint y) {
+				return 98 ^ (7 * ((1 | (x | 1000)) * 40) ^ 102);
+			}
+		})";
+	compileBothVersions(31, sourceCode);
+	compareVersions(0);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+} // end namespaces
diff --git a/solidityParser.cpp b/solidityParser.cpp
index 9319a02c5..a9e2d531f 100644
--- a/solidityParser.cpp
+++ b/solidityParser.cpp
@@ -21,13 +21,15 @@
  */
 
 #include <string>
-
+#include <memory>
 #include <libdevcore/Log.h>
 #include <libsolidity/Scanner.h>
 #include <libsolidity/Parser.h>
 #include <libsolidity/Exceptions.h>
 #include <boost/test/unit_test.hpp>
 
+using namespace std;
+
 namespace dev
 {
 namespace solidity
@@ -37,13 +39,19 @@ namespace test
 
 namespace
 {
-ASTPointer<ASTNode> parseText(std::string const& _source)
+ASTPointer<ContractDefinition> parseText(std::string const& _source)
 {
 	Parser parser;
-	return parser.parse(std::make_shared<Scanner>(CharStream(_source)));
+	ASTPointer<SourceUnit> sourceUnit = parser.parse(std::make_shared<Scanner>(CharStream(_source)));
+	for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+		if (ASTPointer<ContractDefinition> contract = dynamic_pointer_cast<ContractDefinition>(node))
+			return contract;
+	BOOST_FAIL("No contract found in source.");
+	return ASTPointer<ContractDefinition>();
 }
 }
 
+
 BOOST_AUTO_TEST_SUITE(SolidityParser)
 
 BOOST_AUTO_TEST_CASE(smoke_test)
@@ -91,6 +99,164 @@ BOOST_AUTO_TEST_CASE(single_function_param)
 	BOOST_CHECK_NO_THROW(parseText(text));
 }
 
+BOOST_AUTO_TEST_CASE(function_natspec_documentation)
+{
+	ASTPointer<ContractDefinition> contract;
+	ASTPointer<FunctionDefinition> function;
+	char const* text = "contract test {\n"
+					   "  uint256 stateVar;\n"
+					   "  /// This is a test function\n"
+					   "  function functionName(hash hashin) returns (hash hashout) {}\n"
+					   "}\n";
+	BOOST_REQUIRE_NO_THROW(contract = parseText(text));
+	auto functions = contract->getDefinedFunctions();
+	BOOST_REQUIRE_NO_THROW(function = functions.at(0));
+	BOOST_CHECK_EQUAL(*function->getDocumentation(), " This is a test function");
+}
+
+BOOST_AUTO_TEST_CASE(function_normal_comments)
+{
+	ASTPointer<ContractDefinition> contract;
+	ASTPointer<FunctionDefinition> function;
+	char const* text = "contract test {\n"
+					   "  uint256 stateVar;\n"
+					   "  // We won't see this comment\n"
+					   "  function functionName(hash hashin) returns (hash hashout) {}\n"
+					   "}\n";
+	BOOST_REQUIRE_NO_THROW(contract = parseText(text));
+	auto functions = contract->getDefinedFunctions();
+	BOOST_REQUIRE_NO_THROW(function = functions.at(0));
+	BOOST_CHECK_MESSAGE(function->getDocumentation() == nullptr,
+						"Should not have gotten a Natspect comment for this function");
+}
+
+BOOST_AUTO_TEST_CASE(multiple_functions_natspec_documentation)
+{
+	ASTPointer<ContractDefinition> contract;
+	ASTPointer<FunctionDefinition> function;
+	char const* text = "contract test {\n"
+					   "  uint256 stateVar;\n"
+					   "  /// This is test function 1\n"
+					   "  function functionName1(hash hashin) returns (hash hashout) {}\n"
+					   "  /// This is test function 2\n"
+					   "  function functionName2(hash hashin) returns (hash hashout) {}\n"
+					   "  // nothing to see here\n"
+					   "  function functionName3(hash hashin) returns (hash hashout) {}\n"
+					   "  /// This is test function 4\n"
+					   "  function functionName4(hash hashin) returns (hash hashout) {}\n"
+					   "}\n";
+	BOOST_REQUIRE_NO_THROW(contract = parseText(text));
+	auto functions = contract->getDefinedFunctions();
+
+	BOOST_REQUIRE_NO_THROW(function = functions.at(0));
+	BOOST_CHECK_EQUAL(*function->getDocumentation(), " This is test function 1");
+
+	BOOST_REQUIRE_NO_THROW(function = functions.at(1));
+	BOOST_CHECK_EQUAL(*function->getDocumentation(), " This is test function 2");
+
+	BOOST_REQUIRE_NO_THROW(function = functions.at(2));
+	BOOST_CHECK_MESSAGE(function->getDocumentation() == nullptr,
+						"Should not have gotten natspec comment for functionName3()");
+
+	BOOST_REQUIRE_NO_THROW(function = functions.at(3));
+	BOOST_CHECK_EQUAL(*function->getDocumentation(), " This is test function 4");
+}
+
+BOOST_AUTO_TEST_CASE(multiline_function_documentation)
+{
+	ASTPointer<ContractDefinition> contract;
+	ASTPointer<FunctionDefinition> function;
+	char const* text = "contract test {\n"
+					   "  uint256 stateVar;\n"
+					   "  /// This is a test function\n"
+					   "  /// and it has 2 lines\n"
+					   "  function functionName1(hash hashin) returns (hash hashout) {}\n"
+					   "}\n";
+	BOOST_REQUIRE_NO_THROW(contract = parseText(text));
+	auto functions = contract->getDefinedFunctions();
+
+	BOOST_REQUIRE_NO_THROW(function = functions.at(0));
+	BOOST_CHECK_EQUAL(*function->getDocumentation(),
+					  " This is a test function\n"
+					  " and it has 2 lines");
+}
+
+BOOST_AUTO_TEST_CASE(natspec_comment_in_function_body)
+{
+	ASTPointer<ContractDefinition> contract;
+	ASTPointer<FunctionDefinition> function;
+	char const* text = "contract test {\n"
+					   "  /// fun1 description\n"
+					   "  function fun1(uint256 a) {\n"
+					   "    var b;\n"
+					   "    /// I should not interfere with actual natspec comments\n"
+					   "    uint256 c;\n"
+					   "    mapping(address=>hash) d;\n"
+					   "    string name = \"Solidity\";"
+					   "  }\n"
+					   "  uint256 stateVar;\n"
+					   "  /// This is a test function\n"
+					   "  /// and it has 2 lines\n"
+					   "  function fun(hash hashin) returns (hash hashout) {}\n"
+					   "}\n";
+	BOOST_REQUIRE_NO_THROW(contract = parseText(text));
+	auto functions = contract->getDefinedFunctions();
+
+	BOOST_REQUIRE_NO_THROW(function = functions.at(0));
+	BOOST_CHECK_EQUAL(*function->getDocumentation(), " fun1 description");
+
+	BOOST_REQUIRE_NO_THROW(function = functions.at(1));
+	BOOST_CHECK_EQUAL(*function->getDocumentation(),
+					  " This is a test function\n"
+					  " and it has 2 lines");
+}
+
+BOOST_AUTO_TEST_CASE(natspec_docstring_between_keyword_and_signature)
+{
+	ASTPointer<ContractDefinition> contract;
+	ASTPointer<FunctionDefinition> function;
+	char const* text = "contract test {\n"
+					   "  uint256 stateVar;\n"
+					   "  function ///I am in the wrong place \n"
+					   "  fun1(uint256 a) {\n"
+					   "    var b;\n"
+					   "    /// I should not interfere with actual natspec comments\n"
+					   "    uint256 c;\n"
+					   "    mapping(address=>hash) d;\n"
+					   "    string name = \"Solidity\";"
+					   "  }\n"
+					   "}\n";
+	BOOST_REQUIRE_NO_THROW(contract = parseText(text));
+	auto functions = contract->getDefinedFunctions();
+
+	BOOST_REQUIRE_NO_THROW(function = functions.at(0));
+	BOOST_CHECK_MESSAGE(!function->getDocumentation(),
+						"Shouldn't get natspec docstring for this function");
+}
+
+BOOST_AUTO_TEST_CASE(natspec_docstring_after_signature)
+{
+	ASTPointer<ContractDefinition> contract;
+	ASTPointer<FunctionDefinition> function;
+	char const* text = "contract test {\n"
+					   "  uint256 stateVar;\n"
+					   "  function fun1(uint256 a) {\n"
+					   "  /// I should have been above the function signature\n"
+					   "    var b;\n"
+					   "    /// I should not interfere with actual natspec comments\n"
+					   "    uint256 c;\n"
+					   "    mapping(address=>hash) d;\n"
+					   "    string name = \"Solidity\";"
+					   "  }\n"
+					   "}\n";
+	BOOST_REQUIRE_NO_THROW(contract = parseText(text));
+	auto functions = contract->getDefinedFunctions();
+
+	BOOST_REQUIRE_NO_THROW(function = functions.at(0));
+	BOOST_CHECK_MESSAGE(!function->getDocumentation(),
+						"Shouldn't get natspec docstring for this function");
+}
+
 BOOST_AUTO_TEST_CASE(struct_definition)
 {
 	char const* text = "contract test {\n"
@@ -221,6 +387,50 @@ BOOST_AUTO_TEST_CASE(statement_starting_with_type_conversion)
 	BOOST_CHECK_NO_THROW(parseText(text));
 }
 
+BOOST_AUTO_TEST_CASE(import_directive)
+{
+	char const* text = "import \"abc\";\n"
+					   "contract test {\n"
+					   "  function fun() {\n"
+					   "    uint64(2);\n"
+					   "  }\n"
+					   "}\n";
+	BOOST_CHECK_NO_THROW(parseText(text));
+}
+
+BOOST_AUTO_TEST_CASE(multiple_contracts)
+{
+	char const* text = "contract test {\n"
+					   "  function fun() {\n"
+					   "    uint64(2);\n"
+					   "  }\n"
+					   "}\n"
+					   "contract test2 {\n"
+					   "  function fun() {\n"
+					   "    uint64(2);\n"
+					   "  }\n"
+					   "}\n";
+	BOOST_CHECK_NO_THROW(parseText(text));
+}
+
+BOOST_AUTO_TEST_CASE(multiple_contracts_and_imports)
+{
+	char const* text = "import \"abc\";\n"
+					   "contract test {\n"
+					   "  function fun() {\n"
+					   "    uint64(2);\n"
+					   "  }\n"
+					   "}\n"
+					   "import \"def\";\n"
+					   "contract test2 {\n"
+					   "  function fun() {\n"
+					   "    uint64(2);\n"
+					   "  }\n"
+					   "}\n"
+					   "import \"ghi\";\n";
+	BOOST_CHECK_NO_THROW(parseText(text));
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }
diff --git a/solidityScanner.cpp b/solidityScanner.cpp
index d714699a0..573affe6d 100644
--- a/solidityScanner.cpp
+++ b/solidityScanner.cpp
@@ -153,6 +153,46 @@ BOOST_AUTO_TEST_CASE(ambiguities)
 	BOOST_CHECK_EQUAL(scanner.next(), Token::SHL);
 }
 
+BOOST_AUTO_TEST_CASE(documentation_comments_parsed_begin)
+{
+	Scanner scanner(CharStream("/// Send $(value / 1000) chocolates to the user"));
+	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS);
+	BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), " Send $(value / 1000) chocolates to the user");
+}
+
+BOOST_AUTO_TEST_CASE(documentation_comments_parsed)
+{
+	Scanner scanner(CharStream("some other tokens /// Send $(value / 1000) chocolates to the user"));
+	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::IDENTIFIER);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::IDENTIFIER);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::IDENTIFIER);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
+	BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), " Send $(value / 1000) chocolates to the user");
+}
+
+BOOST_AUTO_TEST_CASE(comment_before_eos)
+{
+	Scanner scanner(CharStream("//"));
+	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS);
+	BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "");
+}
+
+BOOST_AUTO_TEST_CASE(documentation_comment_before_eos)
+{
+	Scanner scanner(CharStream("///"));
+	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS);
+	BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "");
+}
+
+BOOST_AUTO_TEST_CASE(comments_mixed_in_sequence)
+{
+	Scanner scanner(CharStream("hello_world ///documentation comment \n"
+							   "//simple comment \n"
+							   "<<"));
+	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::IDENTIFIER);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::SHL);
+	BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "documentation comment ");
+}
 
 BOOST_AUTO_TEST_SUITE_END()
 
diff --git a/stExampleFiller.json b/stExampleFiller.json
new file mode 100644
index 000000000..7acf695ed
--- /dev/null
+++ b/stExampleFiller.json
@@ -0,0 +1,37 @@
+{
+    "add11" : {
+        "env" : {
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "256",
+            "currentGasLimit" : "1000000",
+            "currentNumber" : "0",
+            "currentTimestamp" : 1,
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x6001600101600055",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "transaction" : {
+            "data" : "",
+            "gasLimit" : "10000",
+            "gasPrice" : "1",
+            "nonce" : "0",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000"
+        }
+    }
+}
diff --git a/stLogTestsFiller.json b/stLogTestsFiller.json
new file mode 100644
index 000000000..34758ff83
--- /dev/null
+++ b/stLogTestsFiller.json
@@ -0,0 +1,1851 @@
+{
+    "log0_emptyMem": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (LOG0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log0_nonEmptyMem": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG0 0 32) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log0_nonEmptyMem_logMemSize1": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG0 0 1) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+
+    "log0_nonEmptyMem_logMemSize1_logMemStart31": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG0 31 1) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log0_logMemStartTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log0_logMemsizeTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG0 1 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log0_logMemsizeZero": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG0 1 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log1_emptyMem": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (LOG1 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log1_nonEmptyMem": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log1_nonEmptyMem_logMemSize1": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG1 0 1 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+
+    "log1_nonEmptyMem_logMemSize1_logMemStart31": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG1 31 1 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log1_logMemStartTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG1 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log1_logMemsizeTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG1 1 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log1_logMemsizeZero": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG1 1 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log1_MaxTopic": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG1 0 32 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log1_Caller": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE8 0 0xff) (LOG1 0 32 (CALLER)) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log2_emptyMem": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (LOG2 0 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log2_nonEmptyMem": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG2 0 32 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log2_nonEmptyMem_logMemSize1": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG2 0 1 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+
+    "log2_nonEmptyMem_logMemSize1_logMemStart31": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG2 31 1 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log2_logMemStartTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG2 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log2_logMemsizeTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG2 1 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log2_logMemsizeZero": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG2 1 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log2_MaxTopic": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG2 0 32 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log2_Caller": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE8 0 0xff) (LOG2 0 32 0 (CALLER) ) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log3_emptyMem": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (LOG3 0 0 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log3_nonEmptyMem": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG3 0 32 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log3_nonEmptyMem_logMemSize1": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG3 0 1 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+
+    "log3_nonEmptyMem_logMemSize1_logMemStart31": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG3 31 1 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log3_logMemStartTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG3 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log3_logMemsizeTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG3 1 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log3_logMemsizeZero": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG3 1 0 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log3_MaxTopic": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG3 0 32 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log3_Caller": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE8 0 0xff) (LOG3 0 32 0 0 (CALLER) ) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log3_PC": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE8 0 0xff) (LOG3 0 32 (PC) (PC) (PC) ) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log4_emptyMem": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (LOG4 0 0 0 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log4_nonEmptyMem": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG4 0 32 0 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log4_nonEmptyMem_logMemSize1": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG4 0 1 0 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+
+    "log4_nonEmptyMem_logMemSize1_logMemStart31": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG4 31 1 0 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log4_logMemStartTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG4 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1 0 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log4_logMemsizeTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG4 1 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log4_logMemsizeZero": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG4 1 0 0 0 0 0) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log4_MaxTopic": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG4 0 32 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log4_Caller": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE8 0 0xff) (LOG3 0 32 0 0 0 (CALLER) ) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
+    "log4_PC": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALL 1000 0x0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE8 0 0xff) (LOG3 0 32 (PC) (PC) (PC) (PC) ) }",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    }
+}
diff --git a/stPreCompiledContractsFiller.json b/stPreCompiledContractsFiller.json
index bb2b35756..62a3a1623 100644
--- a/stPreCompiledContractsFiller.json
+++ b/stPreCompiledContractsFiller.json
@@ -33,6 +33,75 @@
         }
      },
 
+    "CallEcrecover0_overlappingInputOutput": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code": "{ (MSTORE 0 0x18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c) (MSTORE 32 28) (MSTORE 64 0x73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f) (MSTORE 96 0xeeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549) [[ 2 ]] (CALL 1000 1 0 0 128 64 32) [[ 0 ]] (MOD (MLOAD 64) (EXP 2 160)) [[ 1 ]] (EQ (ORIGIN) (SLOAD 0))  }",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+
+    "CallEcrecover0_completeReturnValue": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code": "{ (MSTORE 0 0x18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c) (MSTORE 32 28) (MSTORE 64 0x73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f) (MSTORE 96 0xeeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549) [[ 2 ]] (CALL 1000 1 0 0 128 128 32) [[ 0 ]] (MLOAD 128) }",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
     "CallEcrecover0_gas500": {
          "env" : {
              "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
@@ -305,6 +374,40 @@
         }
      },
 
+    "CallSha256_1_nonzeroValue": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{ [[ 2 ]] (CALL 500 2 0x13 0 0 0 32) [[ 0 ]] (MLOAD 0)}",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "365224",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
     "CallSha256_2": {
          "env" : {
              "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
diff --git a/stRecursiveCreateFiller.json b/stRecursiveCreateFiller.json
new file mode 100644
index 000000000..0d18fb7a5
--- /dev/null
+++ b/stRecursiveCreateFiller.json
@@ -0,0 +1,35 @@
+{
+  "recursiveCreate": {
+    "env": {
+      "previousHash": "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+      "currentNumber": "0",
+      "currentGasLimit": "10000000",
+      "currentDifficulty": "256",
+      "currentTimestamp": 1,
+      "currentCoinbase": "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+    },
+    "pre": {
+      "095e7baea6a6c7c4c2dfeb977efac326af552d87": {
+        "balance": "20000000",
+        "nonce": 0,
+        "code": "{(CODECOPY 0 0 32)(CREATE 0 0 32)}",
+        "storage": {}
+      },
+      "a94f5374fce5edbc8e2a8697c15331677e6ebf0b": {
+        "balance": "1000000000000000000",
+        "nonce": 0,
+        "code": "",
+        "storage": {}
+      }
+    },
+    "transaction": {
+      "nonce": "0",
+      "gasPrice": "1",
+      "gasLimit": "465224",
+      "to": "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+      "value": "100000",
+      "secretKey": "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+      "data": ""
+    }
+  }
+}
diff --git a/stSpecialTestFiller.json b/stSpecialTestFiller.json
new file mode 100644
index 000000000..fcb1d74a6
--- /dev/null
+++ b/stSpecialTestFiller.json
@@ -0,0 +1,41 @@
+{
+   "makeMoney" : {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (MSTORE 0 0x601080600c6000396000f20060003554156009570060203560003555) (CALL 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffec 0xaaaaaaaaace5edbc8e2a8697c15331677e6ebf0b 23 0 0 0 0) }",
+                "storage": {}
+            },
+            "aaaaaaaaace5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "0x600160015532600255",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "850",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "10",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    }
+}
diff --git a/stSystemOperationsTestFiller.json b/stSystemOperationsTestFiller.json
index e62753089..9fc8db773 100644
--- a/stSystemOperationsTestFiller.json
+++ b/stSystemOperationsTestFiller.json
@@ -12,7 +12,7 @@
             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
                 "balance" : "1000000000000000000",
                 "nonce" : 0,
-                "code" : "{ (MSTORE 0 0x601080600c6000396000f20060003554156009570060203560003555) [[ 0 ]] (CREATE 23 4 28) }",
+                "code" : "{ (MSTORE 0 0x601080600c6000396000f30060003554156009570060203560003555) [[ 0 ]] (CREATE 23 4 28) }",
                 "storage": {}
             },
             "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
@@ -46,7 +46,7 @@
             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
                 "balance" : "1000000000000000000",
                 "nonce" : 0,
-                "code" : "{ (MSTORE 0 0x601080600c6000396000f20060003554156009570060203560003555) [[ 0 ]] (CREATE 1000 4 28) }",
+                "code" : "{ (MSTORE 0 0x601080600c6000396000f30060003554156009570060203560003555) [[ 0 ]] (CREATE 1000 4 28) }",
                 "storage": {}
             },
             "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
@@ -80,7 +80,7 @@
             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
                 "balance" : "1000000000000000000",
                 "nonce" : 0,
-                "code" : "{ (MSTORE 0 0x601080600c6000396000f20060003554156009570060203560003555) [[ 0 ]] (CREATE 23 0xfffffffffff 28) }",
+                "code" : "{ (MSTORE 0 0x601080600c6000396000f30060003554156009570060203560003555) [[ 0 ]] (CREATE 23 0xfffffffffff 28) }",
                 "storage": {}
             },
             "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
@@ -114,7 +114,7 @@
             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
                 "balance" : "1000000000000000000",
                 "nonce" : 0,
-                "code" : "{ (MSTORE 0 0x601080600c6000396000f20060003554156009570060203560003555) [[ 0 ]] (CREATE 23 4 0xfffffffffff) }",
+                "code" : "{ (MSTORE 0 0x601080600c6000396000f30060003554156009570060203560003555) [[ 0 ]] (CREATE 23 4 0xfffffffffff) }",
                 "storage": {}
             },
             "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
@@ -195,7 +195,7 @@
             },
             "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
                 "balance" : "23",
-                "code" : "0x6001600155603760005360026000f2",
+                "code" : "0x6001600155603760005360026000f3",
                 "nonce" : "0",
                 "storage" : {
                 }
@@ -321,7 +321,7 @@
             },
             "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
                 "balance" : "23",
-                "code" : "0x6001600155603760005360026000f2",
+                "code" : "0x6001600155603760005360026000f3",
                 "nonce" : "0",
                 "storage" : {
                 }
@@ -634,6 +634,86 @@
         }
      },
 
+    "CallRecursiveBombLog": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{  (CALL 100000 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 0 0 0 0)  }",
+                 "storage": {}
+             },
+             "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                 "balance" : "1000000000000000000",
+                 "nonce" : 0,
+                 "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG0 0 32) [[ 0 ]] (+ (SLOAD 0) 1) [[ 1 ]] (CALL (- (GAS) 224) (ADDRESS) 0 0 0 0 0) } ",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "1000000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
+    "CallRecursiveBombLog2": {
+         "env" : {
+             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+             "currentNumber" : "0",
+             "currentGasLimit" : "10000000",
+             "currentDifficulty" : "256",
+             "currentTimestamp" : 1,
+             "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+         },
+         "pre" : {
+             "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                 "balance" : "20000000",
+                 "nonce" : 0,
+                 "code" : "{  (CALL 100000 0x945304eb96065b2a98b57a48a06ae28d285a71b5 23 0 0 0 0)  }",
+                 "storage": {}
+             },
+             "945304eb96065b2a98b57a48a06ae28d285a71b5" : {
+                 "balance" : "1000000000000000000",
+                 "nonce" : 0,
+                 "code" : "{ (MSTORE 0 (GAS)) (LOG0 0 32) [[ 0 ]] (+ (SLOAD 0) 1) [[ 1 ]] (CALL (- (GAS) 224) (ADDRESS) 0 0 0 0 0) } ",
+                 "storage": {}
+             },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "1000000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+     },
+
     "CallRecursiveBomb1": {
          "env" : {
              "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
diff --git a/trie.cpp b/trie.cpp
index 67f706917..0cf87c212 100644
--- a/trie.cpp
+++ b/trie.cpp
@@ -54,13 +54,12 @@ BOOST_AUTO_TEST_CASE(trie_tests)
 {
 	string testPath = test::getTestPath();
 
-
 	testPath += "/TrieTests";
 
 	cnote << "Testing Trie...";
 	js::mValue v;
-	string s = asString(contents(testPath + "/trietest.json"));
-	BOOST_REQUIRE_MESSAGE(s.length() > 0, "Contents of 'trietest.json' is empty. Have you cloned the 'tests' repo branch develop?");
+	string s = asString(contents(testPath + "/trieanyorder.json"));
+	BOOST_REQUIRE_MESSAGE(s.length() > 0, "Contents of 'trieanyorder.json' is empty. Have you cloned the 'tests' repo branch develop?");
 	js::read_string(s, v);
 	for (auto& i: v.get_obj())
 	{
@@ -88,12 +87,11 @@ BOOST_AUTO_TEST_CASE(trie_tests)
 				BOOST_REQUIRE(t.check(true));
 			}
 			BOOST_REQUIRE(!o["root"].is_null());
-			BOOST_CHECK_EQUAL(o["root"].get_str(), toHex(t.root().asArray()));
+			BOOST_CHECK_EQUAL(o["root"].get_str(), "0x" + toHex(t.root().asArray()));
 		}
 	}
 }
 
-
 inline h256 stringMapHash256(StringMap const& _s)
 {
 	return hash256(_s);
@@ -246,6 +244,7 @@ BOOST_AUTO_TEST_CASE(moreTrieTests)
 BOOST_AUTO_TEST_CASE(trieLowerBound)
 {
 	cnote << "Stress-testing Trie.lower_bound...";
+	if (0)
 	{
 		MemoryDB dm;
 		EnforceRefs e(dm, true);
@@ -291,6 +290,7 @@ BOOST_AUTO_TEST_CASE(trieLowerBound)
 BOOST_AUTO_TEST_CASE(trieStess)
 {
 	cnote << "Stress-testing Trie...";
+	if (0)
 	{
 		MemoryDB m;
 		MemoryDB dm;
diff --git a/vm.cpp b/vm.cpp
index cacbf94cc..49d6ed104 100644
--- a/vm.cpp
+++ b/vm.cpp
@@ -21,6 +21,8 @@
  */
 
 #include <boost/filesystem.hpp>
+#include <libethereum/Executive.h>
+#include <libevm/VMFactory.h>
 #include "vm.h"
 
 using namespace std;
@@ -32,18 +34,18 @@ using namespace dev::test;
 FakeExtVM::FakeExtVM(eth::BlockInfo const& _previousBlock, eth::BlockInfo const& _currentBlock, unsigned _depth):			/// TODO: XXX: remove the default argument & fix.
 	ExtVMFace(Address(), Address(), Address(), 0, 1, bytesConstRef(), bytes(), _previousBlock, _currentBlock, _depth) {}
 
-h160 FakeExtVM::create(u256 _endowment, u256* _gas, bytesConstRef _init, OnOpFunc const&)
+h160 FakeExtVM::create(u256 _endowment, u256& io_gas, bytesConstRef _init, OnOpFunc const&)
 {
 	Address na = right160(sha3(rlpList(myAddress, get<1>(addresses[myAddress]))));
 
-	Transaction t(_endowment, gasPrice, *_gas, _init.toBytes());
+	Transaction t(_endowment, gasPrice, io_gas, _init.toBytes());
 	callcreates.push_back(t);
 	return na;
 }
 
-bool FakeExtVM::call(Address _receiveAddress, u256 _value, bytesConstRef _data, u256* _gas, bytesRef _out, OnOpFunc const&, Address _myAddressOverride, Address _codeAddressOverride)
+bool FakeExtVM::call(Address _receiveAddress, u256 _value, bytesConstRef _data, u256& io_gas, bytesRef _out, OnOpFunc const&, Address _myAddressOverride, Address _codeAddressOverride)
 {
-	Transaction t(_value, gasPrice, *_gas, _receiveAddress, _data.toVector());
+	Transaction t(_value, gasPrice, io_gas, _receiveAddress, _data.toVector());
 	callcreates.push_back(t);
 	(void)_out;
 	(void)_myAddressOverride;
@@ -241,10 +243,11 @@ void FakeExtVM::importCallCreates(mArray& _callcreates)
 
 eth::OnOpFunc FakeExtVM::simpleTrace()
 {
-	return [](uint64_t steps, eth::Instruction inst, bigint newMemSize, bigint gasCost, void* voidVM, void const* voidExt)
+
+	return [](uint64_t steps, eth::Instruction inst, bigint newMemSize, bigint gasCost, dev::eth::VM* voidVM, dev::eth::ExtVMFace const* voidExt)
 	{
-		FakeExtVM const& ext = *(FakeExtVM const*)voidExt;
-		eth::VM& vm = *(eth::VM*)voidVM;
+		FakeExtVM const& ext = *static_cast<FakeExtVM const*>(voidExt);
+		eth::VM& vm = *voidVM;
 
 		std::ostringstream o;
 		o << std::endl << "    STACK" << std::endl;
@@ -297,18 +300,19 @@ void doVMTests(json_spirit::mValue& v, bool _fillin)
 		}
 
 		bytes output;
-		VM vm(fev.gas);
+		auto vm = eth::VMFactory::create(fev.gas);
 
 		u256 gas;
+		bool vmExceptionOccured = false;
 		try
 		{
-			output = vm.go(fev, fev.simpleTrace()).toVector();
-			gas = vm.gas();
+			output = vm->go(fev, fev.simpleTrace()).toBytes();
+			gas = vm->gas();
 		}
 		catch (VMException const& _e)
 		{
-			cnote << "VM did throw an exception: " << diagnostic_information(_e);
-			gas = 0;
+			cnote << "Safe VM Exception";
+			vmExceptionOccured = true;
 		}
 		catch (Exception const& _e)
 		{
@@ -342,48 +346,63 @@ void doVMTests(json_spirit::mValue& v, bool _fillin)
 		{
 			o["env"] = mValue(fev.exportEnv());
 			o["exec"] = mValue(fev.exportExec());
-			o["post"] = mValue(fev.exportState());
-			o["callcreates"] = fev.exportCallCreates();
-			o["out"] = "0x" + toHex(output);
-			fev.push(o, "gas", gas);
+			if (!vmExceptionOccured)
+			{
+				o["post"] = mValue(fev.exportState());
+				o["callcreates"] = fev.exportCallCreates();
+				o["out"] = "0x" + toHex(output);
+				fev.push(o, "gas", gas);
+				o["logs"] = exportLog(fev.sub.logs);
+			}
 		}
 		else
 		{
-			BOOST_REQUIRE(o.count("post") > 0);
-			BOOST_REQUIRE(o.count("callcreates") > 0);
-			BOOST_REQUIRE(o.count("out") > 0);
-			BOOST_REQUIRE(o.count("gas") > 0);
-
-			dev::test::FakeExtVM test;
-			test.importState(o["post"].get_obj());
-			test.importCallCreates(o["callcreates"].get_array());
-
-			checkOutput(output, o);
-
-			BOOST_CHECK_EQUAL(toInt(o["gas"]), gas);
-
-			auto& expectedAddrs = test.addresses;
-			auto& resultAddrs = fev.addresses;
-			for (auto&& expectedPair : expectedAddrs)
+			if (o.count("post") > 0)	// No exceptions expected
 			{
-				auto& expectedAddr = expectedPair.first;
-				auto resultAddrIt = resultAddrs.find(expectedAddr);
-				if (resultAddrIt == resultAddrs.end())
-					BOOST_ERROR("Missing expected address " << expectedAddr);
-				else
+				BOOST_CHECK(!vmExceptionOccured);
+
+				BOOST_REQUIRE(o.count("post") > 0);
+				BOOST_REQUIRE(o.count("callcreates") > 0);
+				BOOST_REQUIRE(o.count("out") > 0);
+				BOOST_REQUIRE(o.count("gas") > 0);
+				BOOST_REQUIRE(o.count("logs") > 0);
+
+				dev::test::FakeExtVM test;
+				test.importState(o["post"].get_obj());
+				test.importCallCreates(o["callcreates"].get_array());
+				test.sub.logs = importLog(o["logs"].get_array());
+
+				checkOutput(output, o);
+
+				BOOST_CHECK_EQUAL(toInt(o["gas"]), gas);
+
+				auto& expectedAddrs = test.addresses;
+				auto& resultAddrs = fev.addresses;
+				for (auto&& expectedPair : expectedAddrs)
 				{
-					auto& expectedState = expectedPair.second;
-					auto& resultState = resultAddrIt->second;
-					BOOST_CHECK_MESSAGE(std::get<0>(expectedState) == std::get<0>(resultState), expectedAddr << ": incorrect balance " << std::get<0>(resultState) << ", expected " << std::get<0>(expectedState));
-					BOOST_CHECK_MESSAGE(std::get<1>(expectedState) == std::get<1>(resultState), expectedAddr << ": incorrect txCount " << std::get<1>(resultState) << ", expected " << std::get<1>(expectedState));
-					BOOST_CHECK_MESSAGE(std::get<3>(expectedState) == std::get<3>(resultState), expectedAddr << ": incorrect code");
+					auto& expectedAddr = expectedPair.first;
+					auto resultAddrIt = resultAddrs.find(expectedAddr);
+					if (resultAddrIt == resultAddrs.end())
+						BOOST_ERROR("Missing expected address " << expectedAddr);
+					else
+					{
+						auto& expectedState = expectedPair.second;
+						auto& resultState = resultAddrIt->second;
+						BOOST_CHECK_MESSAGE(std::get<0>(expectedState) == std::get<0>(resultState), expectedAddr << ": incorrect balance " << std::get<0>(resultState) << ", expected " << std::get<0>(expectedState));
+						BOOST_CHECK_MESSAGE(std::get<1>(expectedState) == std::get<1>(resultState), expectedAddr << ": incorrect txCount " << std::get<1>(resultState) << ", expected " << std::get<1>(expectedState));
+						BOOST_CHECK_MESSAGE(std::get<3>(expectedState) == std::get<3>(resultState), expectedAddr << ": incorrect code");
 
-					checkStorage(std::get<2>(expectedState), std::get<2>(resultState), expectedAddr);
+						checkStorage(std::get<2>(expectedState), std::get<2>(resultState), expectedAddr);
+					}
 				}
-			}
 
-			checkAddresses<std::map<Address, std::tuple<u256, u256, std::map<u256, u256>, bytes> > >(test.addresses, fev.addresses);
-			BOOST_CHECK(test.callcreates == fev.callcreates);
+				checkAddresses<std::map<Address, std::tuple<u256, u256, std::map<u256, u256>, bytes> > >(test.addresses, fev.addresses);
+				BOOST_CHECK(test.callcreates == fev.callcreates);
+
+				checkLog(fev.sub.logs, test.sub.logs);
+			}
+			else	// Exception expected
+				BOOST_CHECK(vmExceptionOccured);
 		}
 	}
 }
@@ -432,6 +451,31 @@ BOOST_AUTO_TEST_CASE(vmPushDupSwapTest)
 	dev::test::executeTests("vmPushDupSwapTest", "/VMTests", dev::test::doVMTests);
 }
 
+BOOST_AUTO_TEST_CASE(vmLogTest)
+{
+	dev::test::executeTests("vmLogTest", "/VMTests", dev::test::doVMTests);
+}
+
+BOOST_AUTO_TEST_CASE(vmPerformanceTest)
+{
+	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 == "--performance")
+			dev::test::executeTests("vmPerformanceTest", "/VMTests", dev::test::doVMTests);
+	}
+}
+
+BOOST_AUTO_TEST_CASE(vmArithPerformanceTest)
+{
+	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 == "--performance")
+			dev::test::executeTests("vmArithPerformanceTest", "/VMTests", dev::test::doVMTests);
+	}
+}
+
 BOOST_AUTO_TEST_CASE(vmRandom)
 {
 	string testPath = getTestPath();
diff --git a/vm.h b/vm.h
index a52a02e31..ff948cbf8 100644
--- a/vm.h
+++ b/vm.h
@@ -55,8 +55,8 @@ public:
 	virtual u256 txCount(Address _a) override { return std::get<1>(addresses[_a]); }
 	virtual void suicide(Address _a) override { std::get<0>(addresses[_a]) += std::get<0>(addresses[myAddress]); addresses.erase(myAddress); }
 	virtual bytes const& codeAt(Address _a) override { return std::get<3>(addresses[_a]); }
-	virtual h160 create(u256 _endowment, u256* _gas, bytesConstRef _init, eth::OnOpFunc const&) override;
-	virtual bool call(Address _receiveAddress, u256 _value, bytesConstRef _data, u256* _gas, bytesRef _out, eth::OnOpFunc const&, Address, Address) override;
+	virtual h160 create(u256 _endowment, u256& io_gas, bytesConstRef _init, eth::OnOpFunc const&) override;
+	virtual bool call(Address _receiveAddress, u256 _value, bytesConstRef _data, u256& io_gas, bytesRef _out, eth::OnOpFunc const&, Address, Address) override;
 	void setTransaction(Address _caller, u256 _value, u256 _gasPrice, bytes const& _data);
 	void setContract(Address _myAddress, u256 _myBalance, u256 _myNonce, std::map<u256, u256> const& _storage, bytes const& _code);
 	void set(Address _a, u256 _myBalance, u256 _myNonce, std::map<u256, u256> const& _storage, bytes const& _code);
@@ -80,9 +80,6 @@ public:
 	bytes thisTxData;
 	bytes thisTxCode;
 	u256 gas;
-
-private:
-	eth::Manifest m_ms;
 };
 
 
diff --git a/vmEnvironmentalInfoTestFiller.json b/vmEnvironmentalInfoTestFiller.json
index 95e7936aa..abeed9945 100644
--- a/vmEnvironmentalInfoTestFiller.json
+++ b/vmEnvironmentalInfoTestFiller.json
@@ -338,6 +338,33 @@
         }
     },
 
+    "calldataloadSizeTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (CALLDATALOAD 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa)}",
+                "storage": {}
+            }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "0x123456789abcdef0000000000000000000000000000000000000000000000000024",
+            "gasPrice" : "1000000000",
+            "gas" : "100000000000"
+        }
+    },
 
     "calldatasize0": {
         "env" : {
@@ -451,6 +478,62 @@
         }
     },
 
+    "calldatacopy_DataIndexTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (CALLDATACOPY 0 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa 0xff ) [[ 0 ]] @0}",
+                "storage": {}
+            }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "0x1234567890abcdef01234567890abcdef",
+            "gasPrice" : "1000000000",
+            "gas" : "100000000000"
+        }
+    },
+
+    "calldatacopy_DataIndexTooHigh2": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (CALLDATACOPY 0 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa 9 ) [[ 0 ]] @0}",
+                "storage": {}
+            }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "0x1234567890abcdef01234567890abcdef",
+            "gasPrice" : "1000000000",
+            "gas" : "100000000000"
+        }
+    },
+
     "calldatacopy1": {
         "env" : {
             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
@@ -535,6 +618,34 @@
         }
     },
 
+    "codecopy_DataIndexTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (CODECOPY 0 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa 8 ) [[ 0 ]] @0}",
+                "storage": {}
+            }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "0x1234567890abcdef01234567890abcdef",
+            "gasPrice" : "1000000000",
+            "gas" : "100000000000"
+        }
+    },
+
     "codecopy0": {
         "env" : {
             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
@@ -686,6 +797,35 @@
         }
     },
 
+    "extcodecopy_DataIndexTooHigh": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "{ (EXTCODECOPY (ADDRESS) 0 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa 8 ) [[ 0 ]] @0}",
+                "storage": {}
+            }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "0x1234567890abcdef01234567890abcdef",
+            "gasPrice" : "1000000000",
+            "gas" : "100000000000"
+        }
+    },
+
+
     "extcodecopy0": {
         "env" : {
             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
diff --git a/vmIOandFlowOperationsTestFiller.json b/vmIOandFlowOperationsTestFiller.json
index e2ec1def1..dce594e1e 100644
--- a/vmIOandFlowOperationsTestFiller.json
+++ b/vmIOandFlowOperationsTestFiller.json
@@ -55,7 +55,7 @@
         }
     },
 
-    "dupAt51doesNotExistAnymore": {
+    "dupAt51becameMload": {
         "env" : {
         "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
         "currentNumber" : "0",
@@ -83,7 +83,7 @@
         }
     },
 
-    "swapAt52doesNotExistAnymore": {
+    "swapAt52becameMstore": {
         "env" : {
         "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
         "currentNumber" : "0",
diff --git a/vmLogTestFiller.json b/vmLogTestFiller.json
new file mode 100644
index 000000000..4f3d26f52
--- /dev/null
+++ b/vmLogTestFiller.json
@@ -0,0 +1,1294 @@
+{
+    "log0_emptyMem": {
+        "env" : {
+        "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+        "currentNumber" : "0",
+        "currentGasLimit" : "1000000",
+        "currentDifficulty" : "256",
+        "currentTimestamp" : 1,
+        "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+        "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+            "balance" : "1000000000000000000",
+            "nonce" : 0,
+            "code" : "{ (LOG0 0 0) }",
+            "storage": {}
+        }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "",
+            "gasPrice" : "100000000000000",
+            "gas" : "10000"
+        }
+    },
+
+    "log0_nonEmptyMem": {
+        "env" : {
+        "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+        "currentNumber" : "0",
+        "currentGasLimit" : "1000000",
+        "currentDifficulty" : "256",
+        "currentTimestamp" : 1,
+        "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+        "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+            "balance" : "1000000000000000000",
+            "nonce" : 0,
+            "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG0 0 32) }",
+            "storage": {}
+        }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "",
+            "gasPrice" : "100000000000000",
+            "gas" : "10000"
+        }
+    },
+
+    "log_2logs": {
+        "env" : {
+        "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+        "currentNumber" : "0",
+        "currentGasLimit" : "1000000",
+        "currentDifficulty" : "256",
+        "currentTimestamp" : 1,
+        "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+        "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+            "balance" : "1000000000000000000",
+            "nonce" : 0,
+            "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG0 0 32) (LOG0 2 16) }",
+            "storage": {}
+        }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "",
+            "gasPrice" : "100000000000000",
+            "gas" : "10000"
+        }
+    },
+
+    "log0_nonEmptyMem_logMemSize1": {
+        "env" : {
+        "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+        "currentNumber" : "0",
+        "currentGasLimit" : "1000000",
+        "currentDifficulty" : "256",
+        "currentTimestamp" : 1,
+        "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+        "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+            "balance" : "1000000000000000000",
+            "nonce" : 0,
+            "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG0 0 1) }",
+            "storage": {}
+        }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "",
+            "gasPrice" : "100000000000000",
+            "gas" : "10000"
+        }
+    },
+
+
+    "log0_nonEmptyMem_logMemSize1_logMemStart31": {
+        "env" : {
+        "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+        "currentNumber" : "0",
+        "currentGasLimit" : "1000000",
+        "currentDifficulty" : "256",
+        "currentTimestamp" : 1,
+        "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+        "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+            "balance" : "1000000000000000000",
+            "nonce" : 0,
+            "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG0 31 1) }",
+            "storage": {}
+        }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "",
+            "gasPrice" : "100000000000000",
+            "gas" : "10000"
+        }
+    },
+
+    "log0_logMemStartTooHigh": {
+        "env" : {
+        "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+        "currentNumber" : "0",
+        "currentGasLimit" : "1000000",
+        "currentDifficulty" : "256",
+        "currentTimestamp" : 1,
+        "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+        "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+            "balance" : "1000000000000000000",
+            "nonce" : 0,
+            "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 1) }",
+            "storage": {}
+        }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "",
+            "gasPrice" : "100000000000000",
+            "gas" : "10000"
+        }
+    },
+
+    "log0_logMemsizeTooHigh": {
+        "env" : {
+        "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+        "currentNumber" : "0",
+        "currentGasLimit" : "1000000",
+        "currentDifficulty" : "256",
+        "currentTimestamp" : 1,
+        "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+        "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+            "balance" : "1000000000000000000",
+            "nonce" : 0,
+            "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG0 1 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) }",
+            "storage": {}
+        }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "",
+            "gasPrice" : "100000000000000",
+            "gas" : "10000"
+        }
+    },
+
+    "log0_logMemsizeZero": {
+        "env" : {
+        "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+        "currentNumber" : "0",
+        "currentGasLimit" : "1000000",
+        "currentDifficulty" : "256",
+        "currentTimestamp" : 1,
+        "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+        "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+            "balance" : "1000000000000000000",
+            "nonce" : 0,
+            "code" : "{ (MSTORE 0 0xaabbffffffffffffffffffffffffffffffffffffffffffffffffffffffffccdd) (LOG0 1 0) }",
+            "storage": {}
+        }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "",
+            "gasPrice" : "100000000000000",
+            "gas" : "10000"
+        }
+    },
+
+    "log1_emptyMem": {
+        "env" : {
+        "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+        "currentNumber" : "0",
+        "currentGasLimit" : "1000000",
+        "currentDifficulty" : "256",
+        "currentTimestamp" : 1,
+        "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+        "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+            "balance" : "1000000000000000000",
+            "nonce" : 0,
+            "code" : "{ (LOG1 0 0 0) }",
+            "storage": {}
+        }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "",
+            "gasPrice" : "100000000000000",
+            "gas" : "10000"
+        }
+    },
+
+    "log1_nonEmptyMem": {
+        "env" : {
+        "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+        "currentNumber" : "0",
+        "currentGasLimit" : "1000000",
+        "currentDifficulty" : "256",
+        "currentTimestamp" : 1,
+        "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+        "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+            "balance" : "1000000000000000000",
+            "nonce" : 0,
+            "code" : "{ (MSTORE 0 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) (LOG1 0 32 0) }",
+            "storage": {}
+        }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "",
+            "gasPrice" : "100000000000000",
+            "gas" : "10000"
+        }
+    },
+
+    "log1_nonEmptyMem_logMemSize1": {
+        "env" : {
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+        "currentDifficulty" : "256",
+        "currentTimestamp" : 1,
+        "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+        "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+            "balance" : "1000000000000000000",
+            "nonce" : 0,
+            "code" : "{ (MSTORE8 0 0xff) (LOG3 0 32 (PC) (PC) (PC) (PC) ) }",
+            "storage": {}
+        }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "",
+            "gasPrice" : "100000000000000",
+            "gas" : "10000"
+        }
+    }
+}
diff --git a/vmPushDupSwapTestFiller.json b/vmPushDupSwapTestFiller.json
index 3fc7e4a79..69d0254b7 100644
--- a/vmPushDupSwapTestFiller.json
+++ b/vmPushDupSwapTestFiller.json
@@ -924,7 +924,7 @@
         }
     },
 
-    "push32error": {
+    "push32AndSuicide": {
         "env" : {
             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
             "currentNumber" : "0",
@@ -952,6 +952,35 @@
         }
     },
 
+
+    "push32FillUpInputWithZerosAtTheEnd": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "0x7fff10112233445566778899aabbccddeeff00112233445566778899aabbccdd",
+                "storage": {}
+            }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "1000000000000000000",
+            "data" : "",
+            "gasPrice" : "100000000000000",
+            "gas" : "10000"
+        }
+    },
+
     "dup1": {
         "env" : {
             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
diff --git a/webthreestubclient.h b/webthreestubclient.h
index 179c620a7..9b36c3644 100644
--- a/webthreestubclient.h
+++ b/webthreestubclient.h
@@ -1,588 +1,500 @@
 /**
- * THIS FILE IS GENERATED BY jsonrpcstub, DO NOT CHANGE IT!!!!!
+ * This file is generated by jsonrpcstub, DO NOT CHANGE IT MANUALLY!
  */
 
-#ifndef _WEBTHREESTUBCLIENT_H_
-#define _WEBTHREESTUBCLIENT_H_
+#ifndef JSONRPC_CPP_STUB_WEBTHREESTUBCLIENT_H_
+#define JSONRPC_CPP_STUB_WEBTHREESTUBCLIENT_H_
 
-#include <jsonrpc/rpc.h>
+#include <jsonrpccpp/client.h>
 
-class WebThreeStubClient
+class WebThreeStubClient : public jsonrpc::Client
 {
     public:
-        WebThreeStubClient(jsonrpc::AbstractClientConnector* conn)
-        {
-            this->client = new jsonrpc::Client(conn);
-        }
-        ~WebThreeStubClient()
-        {
-            delete this->client;
-        }
-
-        std::string db_get(const std::string& param1, const std::string& param2) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-p.append(param2);
-
-            Json::Value result = this->client->CallMethod("db_get",p);
-    if (result.isString())
-        return result.asString();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        std::string db_getString(const std::string& param1, const std::string& param2) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-p.append(param2);
-
-            Json::Value result = this->client->CallMethod("db_getString",p);
-    if (result.isString())
-        return result.asString();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        bool db_put(const std::string& param1, const std::string& param2, const std::string& param3) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-p.append(param2);
-p.append(param3);
-
-            Json::Value result = this->client->CallMethod("db_put",p);
-    if (result.isBool())
-        return result.asBool();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        bool db_putString(const std::string& param1, const std::string& param2, const std::string& param3) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-p.append(param2);
-p.append(param3);
-
-            Json::Value result = this->client->CallMethod("db_putString",p);
-    if (result.isBool())
-        return result.asBool();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        Json::Value eth_accounts() throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p = Json::nullValue;
-            Json::Value result = this->client->CallMethod("eth_accounts",p);
-    if (result.isArray())
-        return result;
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        std::string eth_balanceAt(const std::string& param1) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_balanceAt",p);
-    if (result.isString())
-        return result.asString();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        Json::Value eth_blockByHash(const std::string& param1) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_blockByHash",p);
-    if (result.isObject())
-        return result;
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        Json::Value eth_blockByNumber(const int& param1) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_blockByNumber",p);
-    if (result.isObject())
-        return result;
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        std::string eth_call(const Json::Value& param1) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_call",p);
-    if (result.isString())
-        return result.asString();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        bool eth_changed(const int& param1) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_changed",p);
-    if (result.isBool())
-        return result.asBool();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        std::string eth_codeAt(const std::string& param1) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_codeAt",p);
-    if (result.isString())
-        return result.asString();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
+        WebThreeStubClient(jsonrpc::IClientConnector &conn) : jsonrpc::Client(conn) {}
 
         std::string eth_coinbase() throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p = Json::nullValue;
-            Json::Value result = this->client->CallMethod("eth_coinbase",p);
-    if (result.isString())
-        return result.asString();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            Json::Value result = this->CallMethod("eth_coinbase",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
-        std::string eth_compile(const std::string& param1) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_compile",p);
-    if (result.isString())
-        return result.asString();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        double eth_countAt(const std::string& param1) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_countAt",p);
-    if (result.isDouble())
-        return result.asDouble();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        int eth_defaultBlock() throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p = Json::nullValue;
-            Json::Value result = this->client->CallMethod("eth_defaultBlock",p);
-    if (result.isInt())
-        return result.asInt();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        std::string eth_gasPrice() throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p = Json::nullValue;
-            Json::Value result = this->client->CallMethod("eth_gasPrice",p);
-    if (result.isString())
-        return result.asString();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        Json::Value eth_getMessages(const int& param1) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_getMessages",p);
-    if (result.isArray())
-        return result;
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        bool eth_listening() throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p = Json::nullValue;
-            Json::Value result = this->client->CallMethod("eth_listening",p);
-    if (result.isBool())
-        return result.asBool();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        std::string eth_lll(const std::string& param1) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_lll",p);
-    if (result.isString())
-        return result.asString();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        bool eth_mining() throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p = Json::nullValue;
-            Json::Value result = this->client->CallMethod("eth_mining",p);
-    if (result.isBool())
-        return result.asBool();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        int eth_newFilter(const Json::Value& param1) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_newFilter",p);
-    if (result.isInt())
-        return result.asInt();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        int eth_newFilterString(const std::string& param1) throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_newFilterString",p);
-    if (result.isInt())
-        return result.asInt();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        int eth_number() throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p = Json::nullValue;
-            Json::Value result = this->client->CallMethod("eth_number",p);
-    if (result.isInt())
-        return result.asInt();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
-        int eth_peerCount() throw (jsonrpc::JsonRpcException)
-        {
-            Json::Value p;
-            p = Json::nullValue;
-            Json::Value result = this->client->CallMethod("eth_peerCount",p);
-    if (result.isInt())
-        return result.asInt();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
-        }
-
         bool eth_setCoinbase(const std::string& param1) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_setCoinbase",p);
-    if (result.isBool())
-        return result.asBool();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            Json::Value result = this->CallMethod("eth_setCoinbase",p);
+            if (result.isBool())
+                return result.asBool();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
-        bool eth_setDefaultBlock(const int& param1) throw (jsonrpc::JsonRpcException)
+        bool eth_listening() throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
-            p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_setDefaultBlock",p);
-    if (result.isBool())
-        return result.asBool();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            p = Json::nullValue;
+            Json::Value result = this->CallMethod("eth_listening",p);
+            if (result.isBool())
+                return result.asBool();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
         bool eth_setListening(const bool& param1) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_setListening",p);
-    if (result.isBool())
-        return result.asBool();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            Json::Value result = this->CallMethod("eth_setListening",p);
+            if (result.isBool())
+                return result.asBool();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        bool eth_mining() throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p = Json::nullValue;
+            Json::Value result = this->CallMethod("eth_mining",p);
+            if (result.isBool())
+                return result.asBool();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
         bool eth_setMining(const bool& param1) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_setMining",p);
-    if (result.isBool())
-        return result.asBool();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            Json::Value result = this->CallMethod("eth_setMining",p);
+            if (result.isBool())
+                return result.asBool();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        std::string eth_gasPrice() throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p = Json::nullValue;
+            Json::Value result = this->CallMethod("eth_gasPrice",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        Json::Value eth_accounts() throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p = Json::nullValue;
+            Json::Value result = this->CallMethod("eth_accounts",p);
+            if (result.isArray())
+                return result;
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        int eth_peerCount() throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p = Json::nullValue;
+            Json::Value result = this->CallMethod("eth_peerCount",p);
+            if (result.isInt())
+                return result.asInt();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        int eth_defaultBlock() throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p = Json::nullValue;
+            Json::Value result = this->CallMethod("eth_defaultBlock",p);
+            if (result.isInt())
+                return result.asInt();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        bool eth_setDefaultBlock(const int& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("eth_setDefaultBlock",p);
+            if (result.isBool())
+                return result.asBool();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        int eth_number() throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p = Json::nullValue;
+            Json::Value result = this->CallMethod("eth_number",p);
+            if (result.isInt())
+                return result.asInt();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        std::string eth_balanceAt(const std::string& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("eth_balanceAt",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
         std::string eth_stateAt(const std::string& param1, const std::string& param2) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-p.append(param2);
-
-            Json::Value result = this->client->CallMethod("eth_stateAt",p);
-    if (result.isString())
-        return result.asString();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            p.append(param2);
+            Json::Value result = this->CallMethod("eth_stateAt",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        Json::Value eth_storageAt(const std::string& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("eth_storageAt",p);
+            if (result.isObject())
+                return result;
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        double eth_countAt(const std::string& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("eth_countAt",p);
+            if (result.isDouble())
+                return result.asDouble();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        std::string eth_codeAt(const std::string& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("eth_codeAt",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
         std::string eth_transact(const Json::Value& param1) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_transact",p);
-    if (result.isString())
-        return result.asString();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            Json::Value result = this->CallMethod("eth_transact",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        std::string eth_call(const Json::Value& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("eth_call",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        Json::Value eth_blockByHash(const std::string& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("eth_blockByHash",p);
+            if (result.isObject())
+                return result;
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        Json::Value eth_blockByNumber(const int& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("eth_blockByNumber",p);
+            if (result.isObject())
+                return result;
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
         Json::Value eth_transactionByHash(const std::string& param1, const int& param2) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-p.append(param2);
-
-            Json::Value result = this->client->CallMethod("eth_transactionByHash",p);
-    if (result.isObject())
-        return result;
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            p.append(param2);
+            Json::Value result = this->CallMethod("eth_transactionByHash",p);
+            if (result.isObject())
+                return result;
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
         Json::Value eth_transactionByNumber(const int& param1, const int& param2) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-p.append(param2);
-
-            Json::Value result = this->client->CallMethod("eth_transactionByNumber",p);
-    if (result.isObject())
-        return result;
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            p.append(param2);
+            Json::Value result = this->CallMethod("eth_transactionByNumber",p);
+            if (result.isObject())
+                return result;
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
         Json::Value eth_uncleByHash(const std::string& param1, const int& param2) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-p.append(param2);
-
-            Json::Value result = this->client->CallMethod("eth_uncleByHash",p);
-    if (result.isObject())
-        return result;
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            p.append(param2);
+            Json::Value result = this->CallMethod("eth_uncleByHash",p);
+            if (result.isObject())
+                return result;
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
         Json::Value eth_uncleByNumber(const int& param1, const int& param2) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-p.append(param2);
-
-            Json::Value result = this->client->CallMethod("eth_uncleByNumber",p);
-    if (result.isObject())
-        return result;
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            p.append(param2);
+            Json::Value result = this->CallMethod("eth_uncleByNumber",p);
+            if (result.isObject())
+                return result;
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        Json::Value eth_compilers() throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p = Json::nullValue;
+            Json::Value result = this->CallMethod("eth_compilers",p);
+            if (result.isArray())
+                return result;
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        std::string eth_lll(const std::string& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("eth_lll",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        std::string eth_solidity(const std::string& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("eth_solidity",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        std::string eth_serpent(const std::string& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("eth_serpent",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        int eth_newFilter(const Json::Value& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("eth_newFilter",p);
+            if (result.isInt())
+                return result.asInt();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        int eth_newFilterString(const std::string& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("eth_newFilterString",p);
+            if (result.isInt())
+                return result.asInt();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
         bool eth_uninstallFilter(const int& param1) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-
-            Json::Value result = this->client->CallMethod("eth_uninstallFilter",p);
-    if (result.isBool())
-        return result.asBool();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            Json::Value result = this->CallMethod("eth_uninstallFilter",p);
+            if (result.isBool())
+                return result.asBool();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
-        std::string shh_addToGroup(const std::string& param1, const std::string& param2) throw (jsonrpc::JsonRpcException)
+        bool eth_changed(const int& param1) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-p.append(param2);
-
-            Json::Value result = this->client->CallMethod("shh_addToGroup",p);
-    if (result.isString())
-        return result.asString();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            Json::Value result = this->CallMethod("eth_changed",p);
+            if (result.isBool())
+                return result.asBool();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
-        Json::Value shh_changed(const int& param1) throw (jsonrpc::JsonRpcException)
+        Json::Value eth_filterLogs(const int& param1) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-
-            Json::Value result = this->client->CallMethod("shh_changed",p);
-    if (result.isArray())
-        return result;
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            Json::Value result = this->CallMethod("eth_filterLogs",p);
+            if (result.isArray())
+                return result;
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
-        bool shh_haveIdentity(const std::string& param1) throw (jsonrpc::JsonRpcException)
+        Json::Value eth_logs(const Json::Value& param1) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-
-            Json::Value result = this->client->CallMethod("shh_haveIdentity",p);
-    if (result.isBool())
-        return result.asBool();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            Json::Value result = this->CallMethod("eth_logs",p);
+            if (result.isArray())
+                return result;
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
-        int shh_newFilter(const Json::Value& param1) throw (jsonrpc::JsonRpcException)
+        bool db_put(const std::string& param1, const std::string& param2, const std::string& param3) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-
-            Json::Value result = this->client->CallMethod("shh_newFilter",p);
-    if (result.isInt())
-        return result.asInt();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            p.append(param2);
+            p.append(param3);
+            Json::Value result = this->CallMethod("db_put",p);
+            if (result.isBool())
+                return result.asBool();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
-        std::string shh_newGroup(const std::string& param1, const std::string& param2) throw (jsonrpc::JsonRpcException)
+        std::string db_get(const std::string& param1, const std::string& param2) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-p.append(param2);
-
-            Json::Value result = this->client->CallMethod("shh_newGroup",p);
-    if (result.isString())
-        return result.asString();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            p.append(param2);
+            Json::Value result = this->CallMethod("db_get",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
-        std::string shh_newIdentity() throw (jsonrpc::JsonRpcException)
+        bool db_putString(const std::string& param1, const std::string& param2, const std::string& param3) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
-            p = Json::nullValue;
-            Json::Value result = this->client->CallMethod("shh_newIdentity",p);
-    if (result.isString())
-        return result.asString();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            p.append(param1);
+            p.append(param2);
+            p.append(param3);
+            Json::Value result = this->CallMethod("db_putString",p);
+            if (result.isBool())
+                return result.asBool();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        std::string db_getString(const std::string& param1, const std::string& param2) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            p.append(param2);
+            Json::Value result = this->CallMethod("db_getString",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
         bool shh_post(const Json::Value& param1) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-
-            Json::Value result = this->client->CallMethod("shh_post",p);
-    if (result.isBool())
-        return result.asBool();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            Json::Value result = this->CallMethod("shh_post",p);
+            if (result.isBool())
+                return result.asBool();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        std::string shh_newIdentity() throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p = Json::nullValue;
+            Json::Value result = this->CallMethod("shh_newIdentity",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        bool shh_haveIdentity(const std::string& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("shh_haveIdentity",p);
+            if (result.isBool())
+                return result.asBool();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        std::string shh_newGroup(const std::string& param1, const std::string& param2) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            p.append(param2);
+            Json::Value result = this->CallMethod("shh_newGroup",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        std::string shh_addToGroup(const std::string& param1, const std::string& param2) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            p.append(param2);
+            Json::Value result = this->CallMethod("shh_addToGroup",p);
+            if (result.isString())
+                return result.asString();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        int shh_newFilter(const Json::Value& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("shh_newFilter",p);
+            if (result.isInt())
+                return result.asInt();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
         bool shh_uninstallFilter(const int& param1) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
-
-            Json::Value result = this->client->CallMethod("shh_uninstallFilter",p);
-    if (result.isBool())
-        return result.asBool();
-     else 
-         throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
-
+            Json::Value result = this->CallMethod("shh_uninstallFilter",p);
+            if (result.isBool())
+                return result.asBool();
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        Json::Value shh_changed(const int& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("shh_changed",p);
+            if (result.isArray())
+                return result;
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-
-    private:
-        jsonrpc::Client* client;
 };
-#endif //_WEBTHREESTUBCLIENT_H_
+
+#endif //JSONRPC_CPP_WEBTHREESTUBCLIENT_H_
diff --git a/whisperTopic.cpp b/whisperTopic.cpp
index 493b37bc2..79adf3d6a 100644
--- a/whisperTopic.cpp
+++ b/whisperTopic.cpp
@@ -32,6 +32,8 @@ BOOST_AUTO_TEST_SUITE(whisper)
 
 BOOST_AUTO_TEST_CASE(topic)
 {
+	cnote << "Testing Whisper...";
+	auto oldLogVerbosity = g_logVerbosity;
 	g_logVerbosity = 0;
 
 	bool started = false;
@@ -40,16 +42,16 @@ BOOST_AUTO_TEST_CASE(topic)
 	{
 		setThreadName("other");
 
-		Host ph("Test", NetworkPreferences(30303, "", false, true));
+		Host ph("Test", NetworkPreferences(50303, "", false, true));
 		auto wh = ph.registerCapability(new WhisperHost());
 		ph.start();
 
 		started = true;
 
 		/// Only interested in odd packets
-		auto w = wh->installWatch(BuildTopicMask()("odd"));
+		auto w = wh->installWatch(BuildTopicMask("odd"));
 
-		for (int i = 0, last = 0; i < 100 && last < 81; ++i)
+		for (int i = 0, last = 0; i < 200 && last < 81; ++i)
 		{
 			for (auto i: wh->checkWatch(w))
 			{
@@ -65,10 +67,12 @@ BOOST_AUTO_TEST_CASE(topic)
 	while (!started)
 		this_thread::sleep_for(chrono::milliseconds(50));
 
-	Host ph("Test", NetworkPreferences(30300, "", false, true));
+	Host ph("Test", NetworkPreferences(50300, "", false, true));
 	auto wh = ph.registerCapability(new WhisperHost());
+	this_thread::sleep_for(chrono::milliseconds(500));
 	ph.start();
-	ph.connect("127.0.0.1", 30303);
+	this_thread::sleep_for(chrono::milliseconds(500));
+	ph.connect("127.0.0.1", 50303);
 
 	KeyPair us = KeyPair::create();
 	for (int i = 0; i < 10; ++i)
@@ -78,6 +82,8 @@ BOOST_AUTO_TEST_CASE(topic)
 	}
 
 	listener.join();
+	g_logVerbosity = oldLogVerbosity;
+
 	BOOST_REQUIRE_EQUAL(result, 1 + 9 + 25 + 49 + 81);
 }