diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9bab77585..a3adde425 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,6 +43,10 @@ function(configureProject)
 	if (EVMJIT)
 		add_definitions(-DETH_EVMJIT)
 	endif()
+
+	if (HEADLESS)
+		add_definitions(-DETH_HEADLESS)
+	endif()
 endfunction()
 
 
@@ -65,13 +69,13 @@ function(createBuildInfo)
 	endif ()
 
 	if (EVMJIT)
-		set(ETH_BUILD_PLATFORM "${TARGET_PLATFORM}/JIT")
+		set(ETH_BUILD_PLATFORM "${ETH_BUILD_PLATFORM}/JIT")
 	else ()
-		set(ETH_BUILD_PLATFORM "${TARGET_PLATFORM}/int")
+		set(ETH_BUILD_PLATFORM "${ETH_BUILD_PLATFORM}/int")
 	endif ()
 
 	if (PARANOIA)
-		set(ETH_BUILD_PLATFORM "${TARGET_PLATFORM}/PARA")
+		set(ETH_BUILD_PLATFORM "${ETH_BUILD_PLATFORM}/PARA")
 	endif ()
 
 	#cmake build type may be not specified when using msvc
@@ -131,11 +135,15 @@ endif()
 add_subdirectory(libdevcore)
 add_subdirectory(libevmcore)
 add_subdirectory(liblll)
-add_subdirectory(libserpent)
+if (NOT ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC"))
+	add_subdirectory(libserpent)
+endif ()
 add_subdirectory(libsolidity)
 add_subdirectory(lllc)
 add_subdirectory(solc)
+if (NOT ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC"))
 add_subdirectory(sc)
+endif()
 
 if (JSONRPC)
 	add_subdirectory(libweb3jsonrpc)
@@ -164,6 +172,7 @@ endif ()
 
 if (NOT HEADLESS)
 	
+	add_subdirectory(libnatspec)
 	add_subdirectory(libjsqrc)
 	add_subdirectory(libqwebthree)
 	add_subdirectory(alethzero)
diff --git a/CodingStandards.txt b/CodingStandards.txt
index 6188b9a70..78885ce25 100644
--- a/CodingStandards.txt
+++ b/CodingStandards.txt
@@ -93,7 +93,7 @@ b. Only one per line.
 c. Associate */& with type, not variable (at ends with parser, but more readable, and safe if in conjunction with (b)).
 d. Favour declarations close to use; don't habitually declare at top of scope ala C.
 e. Always pass non-trivial parameters with a const& suffix.
-f. If a function returns multiple values, use std::tuple (std::pair acceptable). Prefer not using */& arguments, except where efficiency requires.
+f. If a func	tion returns multiple values, use std::tuple (std::pair acceptable). Prefer not using */& arguments, except where efficiency requires.
 g. Never use a macro where adequate non-preprocessor C++ can be written.
 h. Prefer "using NewType = OldType" to "typedef OldType NewType".
 
@@ -128,7 +128,7 @@ d. Use override, final and const judiciously.
 e. No implementations with the class declaration, except:
 - template or force-inline method (though prefer implementation at bottom of header file).
 - one-line implementation (in which case include it in same line as declaration).
-f. For a method 'foo'
+f. For a property 'foo'
 - Member: m_foo;
 - Getter: foo() [ also: for booleans, isFoo() ];
 - Setter: setFoo();
diff --git a/alethzero/CMakeLists.txt b/alethzero/CMakeLists.txt
index 219a8cb99..b58446935 100644
--- a/alethzero/CMakeLists.txt
+++ b/alethzero/CMakeLists.txt
@@ -40,13 +40,16 @@ target_link_libraries(${EXECUTABLE} evm)
 target_link_libraries(${EXECUTABLE} ethcore)
 target_link_libraries(${EXECUTABLE} devcrypto)
 target_link_libraries(${EXECUTABLE} secp256k1)
+if (NOT ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC"))
 target_link_libraries(${EXECUTABLE} serpent)
+endif()
 target_link_libraries(${EXECUTABLE} lll)
 target_link_libraries(${EXECUTABLE} solidity)
 target_link_libraries(${EXECUTABLE} evmcore)
 target_link_libraries(${EXECUTABLE} devcore)
 target_link_libraries(${EXECUTABLE} web3jsonrpc)
 target_link_libraries(${EXECUTABLE} jsqrc)
+target_link_libraries(${EXECUTABLE} natspec)
 
 # eth_install_executable is defined in cmake/EthExecutableHelper.cmake
 eth_install_executable(${EXECUTABLE})
diff --git a/alethzero/MainWin.cpp b/alethzero/MainWin.cpp
index 2a0a056a5..9a29aff40 100644
--- a/alethzero/MainWin.cpp
+++ b/alethzero/MainWin.cpp
@@ -30,8 +30,10 @@
 #include <QtCore/QtCore>
 #include <boost/algorithm/string.hpp>
 #include <test/JsonSpiritHeaders.h>
+#ifndef _MSC_VER
 #include <libserpent/funcs.h>
 #include <libserpent/util.h>
+#endif
 #include <libdevcrypto/FileSystem.h>
 #include <libethcore/CommonJS.h>
 #include <liblll/Compiler.h>
@@ -1719,6 +1721,7 @@ void Main::on_data_textChanged()
 				solidity = "<h4>Solidity</h4><pre>Uncaught exception.</pre>";
 			}
 		}
+#ifndef _MSC_VER
 		else if (sourceIsSerpent(src))
 		{
 			try
@@ -1732,6 +1735,7 @@ void Main::on_data_textChanged()
 				errors.push_back("Serpent " + err);
 			}
 		}
+#endif
 		else
 		{
 			m_data = compileLLL(src, m_enableOptimizer, &errors);
@@ -1936,7 +1940,7 @@ void Main::on_send_clicked()
 						{
 							h256 contractHash = compiler.getContractCodeHash(s);
 							m_natspecDB.add(contractHash,
-											compiler.getMetadata(s, dev::solidity::DocumentationType::NATSPEC_USER));
+											compiler.getMetadata(s, dev::solidity::DocumentationType::NatspecUser));
 						}
 					}
 					catch (...)
diff --git a/alethzero/OurWebThreeStubServer.cpp b/alethzero/OurWebThreeStubServer.cpp
index 37d37bce1..02d7236df 100644
--- a/alethzero/OurWebThreeStubServer.cpp
+++ b/alethzero/OurWebThreeStubServer.cpp
@@ -24,6 +24,7 @@
 #include <QMessageBox>
 #include <QAbstractButton>
 #include <libwebthree/WebThree.h>
+#include <libnatspec/NatspecExpressionEvaluator.h>
 
 #include "MainWin.h"
 
@@ -84,36 +85,9 @@ bool OurWebThreeStubServer::authenticate(TransactionSkeleton const& _t)
 		return showAuthenticationPopup("Unverified Pending Transaction",
 									   "An undocumented transaction is about to be executed.");
 
-	QNatspecExpressionEvaluator evaluator(this, m_main);
+	NatspecExpressionEvaluator evaluator;
 	userNotice = evaluator.evalExpression(QString::fromStdString(userNotice)).toStdString();
 
 	// otherwise it's a transaction to a contract for which we have the natspec
 	return showAuthenticationPopup("Pending Transaction", userNotice);
 }
-
-QNatspecExpressionEvaluator::QNatspecExpressionEvaluator(OurWebThreeStubServer* _server, Main* _main)
-: m_server(_server), m_main(_main)
-{}
-
-QNatspecExpressionEvaluator::~QNatspecExpressionEvaluator()
-{}
-
-QString QNatspecExpressionEvaluator::evalExpression(QString const& _expression) const
-{
-	// load natspec.js only when we need it for natspec evaluation
-	m_main->evalRaw(contentsOfQResource(":/js/natspec.js"));
-	QVariant result = m_main->evalRaw("evaluateExpression('" + _expression + "')");
-	if (result.type() == QVariant::Invalid)
-	{
-		cerr << "Could not evaluate natspec expression: \"" << _expression.toStdString() << "\"" << endl;
-		// return the expression unevaluated
-		return _expression;
-	}
-	return result.toString();
-}
-
-
-
-
-
-
diff --git a/alethzero/OurWebThreeStubServer.h b/alethzero/OurWebThreeStubServer.h
index 16981f9e1..303b73111 100644
--- a/alethzero/OurWebThreeStubServer.h
+++ b/alethzero/OurWebThreeStubServer.h
@@ -47,19 +47,3 @@ private:
 	dev::WebThreeDirect* m_web3;
 	Main* m_main;
 };
-
-
-class QNatspecExpressionEvaluator: public QObject
-{
-	Q_OBJECT
-
-public:
-	QNatspecExpressionEvaluator(OurWebThreeStubServer* _server, Main* _main);
-	virtual ~QNatspecExpressionEvaluator();
-
-	QString evalExpression(QString const& _expression) const;
-
-private:
-	OurWebThreeStubServer* m_server;
-	Main* m_main;
-};
diff --git a/cmake/EthDependencies.cmake b/cmake/EthDependencies.cmake
index 9b00a182f..8ff3d1460 100644
--- a/cmake/EthDependencies.cmake
+++ b/cmake/EthDependencies.cmake
@@ -122,6 +122,8 @@ if (NOT HEADLESS)
 	string(REGEX REPLACE "npm" "" ETH_NPM_DIRECTORY ${ETH_NPM})
 	message(" - npm location    : ${ETH_NPM}")
 
+	find_program(ETH_JSON_RPC_STUB jsonrpcstub)
+
 endif() #HEADLESS
 
 # use multithreaded boost libraries, with -mt suffix
diff --git a/evmjit/libevmjit/ExecutionEngine.cpp b/evmjit/libevmjit/ExecutionEngine.cpp
index 8ec5cd83c..30df7f26a 100644
--- a/evmjit/libevmjit/ExecutionEngine.cpp
+++ b/evmjit/libevmjit/ExecutionEngine.cpp
@@ -28,7 +28,7 @@ namespace jit
 
 namespace
 {
-typedef ReturnCode(*EntryFuncPtr)(Runtime*);
+using EntryFuncPtr = ReturnCode(*)(Runtime*);
 
 std::string codeHash(i256 const& _hash)
 {
diff --git a/evmjit/libevmjit/Utils.h b/evmjit/libevmjit/Utils.h
index 652c7bc35..7e6133ced 100644
--- a/evmjit/libevmjit/Utils.h
+++ b/evmjit/libevmjit/Utils.h
@@ -1,4 +1,7 @@
 #pragma once
+
+#include <iostream>
+
 #include "Common.h"
 
 namespace dev
diff --git a/libdevcore/CommonData.h b/libdevcore/CommonData.h
index dada9dd5d..883e76dd9 100644
--- a/libdevcore/CommonData.h
+++ b/libdevcore/CommonData.h
@@ -246,4 +246,13 @@ inline std::set<_T> operator+(std::set<_T> const& _a, std::set<_T> const& _b)
 /// Make normal string from fixed-length string.
 std::string toString(string32 const& _s);
 
+template<class T, class U>
+std::vector<T> keysOf(std::map<T, U> const& _m)
+{
+	std::vector<T> ret;
+	for (auto const& i: _m)
+		ret.push_back(i.first);
+	return ret;
+}
+
 }
diff --git a/libdevcore/Exceptions.h b/libdevcore/Exceptions.h
index e13d41476..f3f9b1bf0 100644
--- a/libdevcore/Exceptions.h
+++ b/libdevcore/Exceptions.h
@@ -44,10 +44,10 @@ struct FileError: virtual Exception {};
 struct InterfaceNotSupported: virtual Exception { public: InterfaceNotSupported(std::string _f): m_f("Interface " + _f + " not supported.") {} virtual const char* what() const noexcept { return m_f.c_str(); } private: std::string m_f; };
 
 // error information to be added to exceptions
-typedef boost::error_info<struct tag_invalidSymbol, char> errinfo_invalidSymbol;
-typedef boost::error_info<struct tag_address, std::string> errinfo_wrongAddress;
-typedef boost::error_info<struct tag_comment, std::string> errinfo_comment;
-typedef boost::error_info<struct tag_required, bigint> errinfo_required;
-typedef boost::error_info<struct tag_got, bigint> errinfo_got;
-typedef boost::tuple<errinfo_required, errinfo_got> RequirementError;
+using errinfo_invalidSymbol = boost::error_info<struct tag_invalidSymbol, char>;
+using errinfo_wrongAddress = boost::error_info<struct tag_address, std::string>;
+using errinfo_comment = boost::error_info<struct tag_comment, std::string>;
+using errinfo_required = boost::error_info<struct tag_required, bigint>;
+using errinfo_got = boost::error_info<struct tag_got, bigint>;
+using RequirementError = boost::tuple<errinfo_required, errinfo_got>;
 }
diff --git a/libdevcore/RLP.h b/libdevcore/RLP.h
index 2eedbaba2..34a0fc65f 100644
--- a/libdevcore/RLP.h
+++ b/libdevcore/RLP.h
@@ -37,7 +37,7 @@ namespace dev
 {
 
 class RLP;
-typedef std::vector<RLP> RLPs;
+using RLPs = std::vector<RLP>;
 
 template <class _T> struct intTraits { static const unsigned maxSize = sizeof(_T); };
 template <> struct intTraits<u160> { static const unsigned maxSize = 20; };
@@ -125,7 +125,7 @@ public:
 	/// @note if used to access items in ascending order, this is efficient.
 	RLP operator[](unsigned _i) const;
 
-	typedef RLP element_type;
+	using element_type = RLP;
 
 	/// @brief Iterator class for iterating through items of RLP list.
 	class iterator
@@ -133,8 +133,8 @@ public:
 		friend class RLP;
 
 	public:
-		typedef RLP value_type;
-		typedef RLP element_type;
+		using value_type = RLP;
+		using element_type = RLP;
 
 		iterator& operator++();
 		iterator operator++(int) { auto ret = *this; operator++(); return ret; }
diff --git a/libdevcore/vector_ref.h b/libdevcore/vector_ref.h
index 0cd3f8064..4b1df924d 100644
--- a/libdevcore/vector_ref.h
+++ b/libdevcore/vector_ref.h
@@ -12,9 +12,9 @@ template <class _T>
 class vector_ref
 {
 public:
-	typedef _T value_type;
-	typedef _T element_type;
-	typedef typename std::conditional<std::is_const<_T>::value, typename std::remove_const<_T>::type, _T>::type mutable_value_type;
+	using value_type = _T;
+	using element_type = _T;
+	using mutable_value_type = typename std::conditional<std::is_const<_T>::value, typename std::remove_const<_T>::type, _T>::type;
 
 	vector_ref(): m_data(nullptr), m_count(0) {}
 	vector_ref(_T* _data, size_t _count): m_data(_data), m_count(_count) {}
diff --git a/libdevcrypto/ECDHE.h b/libdevcrypto/ECDHE.h
index f77f7fcff..4450aec4b 100644
--- a/libdevcrypto/ECDHE.h
+++ b/libdevcrypto/ECDHE.h
@@ -31,7 +31,7 @@ namespace crypto
 {
 	
 /// Public key of remote and corresponding shared secret.
-typedef std::pair<Public,h256> AliasSession;
+using AliasSession = std::pair<Public,h256>;
 	
 /**
  * @brief An addressable EC key pair.
diff --git a/libethcore/BlockInfo.cpp b/libethcore/BlockInfo.cpp
index 62017796e..3d1bcaa2a 100644
--- a/libethcore/BlockInfo.cpp
+++ b/libethcore/BlockInfo.cpp
@@ -208,7 +208,7 @@ void BlockInfo::verifyParent(BlockInfo const& _parent) const
 		if (parentHash != _parent.hash)
 			BOOST_THROW_EXCEPTION(InvalidParentHash());
 
-		if (timestamp < _parent.timestamp)
+		if (timestamp <= _parent.timestamp)
 			BOOST_THROW_EXCEPTION(InvalidTimestamp());
 
 		if (number != _parent.number + 1)
diff --git a/libethcore/CommonEth.cpp b/libethcore/CommonEth.cpp
index c530beef1..f71969525 100644
--- a/libethcore/CommonEth.cpp
+++ b/libethcore/CommonEth.cpp
@@ -32,35 +32,45 @@ namespace dev
 namespace eth
 {
 
-const unsigned c_protocolVersion = 52;
+const unsigned c_protocolVersion = 53;
 const unsigned c_databaseVersion = 5;
 
-static const vector<pair<u256, string>> g_units =
+template <size_t n> constexpr u256 exp10()
 {
-	{((((u256(1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000000, "Uether"},
-	{((((u256(1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000, "Vether"},
-	{((((u256(1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000, "Dether"},
-	{(((u256(1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000000, "Nether"},
-	{(((u256(1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000000, "Yether"},
-	{(((u256(1000000000) * 1000000000) * 1000000000) * 1000000000) * 1000, "Zether"},
-	{((u256(1000000000) * 1000000000) * 1000000000) * 1000000000, "Eether"},
-	{((u256(1000000000) * 1000000000) * 1000000000) * 1000000, "Pether"},
-	{((u256(1000000000) * 1000000000) * 1000000000) * 1000, "Tether"},
-	{(u256(1000000000) * 1000000000) * 1000000000, "Gether"},
-	{(u256(1000000000) * 1000000000) * 1000000, "Mether"},
-	{(u256(1000000000) * 1000000000) * 1000, "grand"},
-	{u256(1000000000) * 1000000000, "ether"},
-	{u256(1000000000) * 1000000, "finney"},
-	{u256(1000000000) * 1000, "szabo"},
-	{u256(1000000000), "Gwei"},
-	{u256(1000000), "Mwei"},
-	{u256(1000), "Kwei"},
-	{u256(1), "wei"}
-};
+	return exp10<n - 1>() * u256(10);
+}
+
+template <> constexpr u256 exp10<0>()
+{
+	return u256(1);
+}
 
 vector<pair<u256, string>> const& units()
 {
-	return g_units;
+	static const vector<pair<u256, string>> s_units =
+	{
+		{exp10<54>(), "Uether"},
+		{exp10<51>(), "Vether"},
+		{exp10<48>(), "Dether"},
+		{exp10<45>(), "Nether"},
+		{exp10<42>(), "Yether"},
+		{exp10<39>(), "Zether"},
+		{exp10<36>(), "Eether"},
+		{exp10<33>(), "Pether"},
+		{exp10<30>(), "Tether"},
+		{exp10<27>(), "Gether"},
+		{exp10<24>(), "Mether"},
+		{exp10<21>(), "grand"},
+		{exp10<18>(), "ether"},
+		{exp10<15>(), "finney"},
+		{exp10<12>(), "szabo"},
+		{exp10<9>(), "Gwei"},
+		{exp10<6>(), "Mwei"},
+		{exp10<3>(), "Kwei"},
+		{exp10<0>(), "wei"}
+	};
+
+	return s_units;
 }
 
 std::string formatBalance(bigint const& _b)
@@ -75,13 +85,13 @@ std::string formatBalance(bigint const& _b)
 	else
 		b = (u256)_b;
 
-	if (b > g_units[0].first * 10000)
+	if (b > units()[0].first * 10000)
 	{
-		ret << (b / g_units[0].first) << " " << g_units[0].second;
+		ret << (b / units()[0].first) << " " << units()[0].second;
 		return ret.str();
 	}
 	ret << setprecision(5);
-	for (auto const& i: g_units)
+	for (auto const& i: units())
 		if (i.first != 1 && b >= i.first * 100)
 		{
 			ret << (double(b / (i.first / 1000)) / 1000.0) << " " << i.second;
diff --git a/libethcore/Exceptions.h b/libethcore/Exceptions.h
index b53a62562..6127a3d00 100644
--- a/libethcore/Exceptions.h
+++ b/libethcore/Exceptions.h
@@ -29,10 +29,10 @@ namespace eth
 {
 
 // information to add to exceptions
-typedef boost::error_info<struct tag_field, std::string> errinfo_name;
-typedef boost::error_info<struct tag_field, int> errinfo_field;
-typedef boost::error_info<struct tag_data, std::string> errinfo_data;
-typedef boost::tuple<errinfo_field, errinfo_data> BadFieldError;
+using errinfo_name = boost::error_info<struct tag_field, std::string>;
+using errinfo_field = boost::error_info<struct tag_field, int>;
+using errinfo_data = boost::error_info<struct tag_data, std::string>;
+using BadFieldError = boost::tuple<errinfo_field, errinfo_data>;
 
 struct DatabaseAlreadyOpen: virtual dev::Exception {};
 struct NotEnoughCash: virtual dev::Exception {};
diff --git a/libethcore/ProofOfWork.h b/libethcore/ProofOfWork.h
index d942d06f7..64ce502af 100644
--- a/libethcore/ProofOfWork.h
+++ b/libethcore/ProofOfWork.h
@@ -51,7 +51,7 @@ class ProofOfWorkEngine: public Evaluator
 public:
 	static bool verify(h256 const& _root, h256 const& _nonce, u256 const& _difficulty) { return (bigint)(u256)Evaluator::eval(_root, _nonce) <= (bigint(1) << 256) / _difficulty; }
 
-	inline MineInfo mine(h256& o_solution, h256 const& _root, u256 const& _difficulty, unsigned _msTimeout = 100, bool _continue = true, bool _turbo = false);
+	inline std::pair<MineInfo, h256> mine(h256 const& _root, u256 const& _difficulty, unsigned _msTimeout = 100, bool _continue = true, bool _turbo = false);
 
 protected:
 	h256 m_last;
@@ -79,14 +79,14 @@ using SHA3ProofOfWork = ProofOfWorkEngine<SHA3Evaluator>;
 using ProofOfWork = SHA3ProofOfWork;
 
 template <class Evaluator>
-MineInfo ProofOfWorkEngine<Evaluator>::mine(h256& o_solution, h256 const& _root, u256 const& _difficulty, unsigned _msTimeout, bool _continue, bool _turbo)
+std::pair<MineInfo, h256> ProofOfWorkEngine<Evaluator>::mine(h256 const& _root, u256 const& _difficulty, unsigned _msTimeout, bool _continue, bool _turbo)
 {
-	MineInfo ret;
+	std::pair<MineInfo, h256> ret;
 	static std::mt19937_64 s_eng((time(0) + (unsigned)m_last));
 	u256 s = (m_last = h256::random(s_eng));
 
 	bigint d = (bigint(1) << 256) / _difficulty;
-	ret.requirement = log2((double)d);
+	ret.first.requirement = log2((double)d);
 
 	// 2^ 0      32      64      128      256
 	//   [--------*-------------------------]
@@ -95,20 +95,26 @@ MineInfo ProofOfWorkEngine<Evaluator>::mine(h256& o_solution, h256 const& _root,
 	auto startTime = std::chrono::steady_clock::now();
 	if (!_turbo)
 		std::this_thread::sleep_for(std::chrono::milliseconds(_msTimeout * 90 / 100));
-	for (; (std::chrono::steady_clock::now() - startTime) < std::chrono::milliseconds(_msTimeout) && _continue; s++, ret.hashes++)
+	double best = 1e99;	// high enough to be effectively infinity :)
+	h256 solution;
+	unsigned h = 0;
+	for (; (std::chrono::steady_clock::now() - startTime) < std::chrono::milliseconds(_msTimeout) && _continue; s++, h++)
 	{
-		o_solution = (h256)s;
-		auto e = (bigint)(u256)Evaluator::eval(_root, o_solution);
-		ret.best = std::min<double>(ret.best, log2((double)e));
+		solution = (h256)s;
+		auto e = (bigint)(u256)Evaluator::eval(_root, solution);
+		best = std::min<double>(best, log2((double)e));
 		if (e <= d)
 		{
-			ret.completed = true;
+			ret.first.completed = true;
 			break;
 		}
 	}
+	ret.first.hashes = h;
+	ret.first.best = best;
+	ret.second = solution;
 
-	if (ret.completed)
-		assert(verify(_root, o_solution, _difficulty));
+	if (ret.first.completed)
+		assert(verify(_root, solution, _difficulty));
 
 	return ret;
 }
diff --git a/libethereum/BlockDetails.h b/libethereum/BlockDetails.h
index bbfd48e56..61b9667c4 100644
--- a/libethereum/BlockDetails.h
+++ b/libethereum/BlockDetails.h
@@ -70,9 +70,9 @@ struct BlockReceipts
 	TransactionReceipts receipts;
 };
 
-typedef std::map<h256, BlockDetails> BlockDetailsHash;
-typedef std::map<h256, BlockLogBlooms> BlockLogBloomsHash;
-typedef std::map<h256, BlockReceipts> BlockReceiptsHash;
+using BlockDetailsHash = std::map<h256, BlockDetails>;
+using BlockLogBloomsHash = std::map<h256, BlockLogBlooms>;
+using BlockReceiptsHash = std::map<h256, BlockReceipts>;
 
 static const BlockDetails NullBlockDetails;
 static const BlockLogBlooms NullBlockLogBlooms;
diff --git a/libethereum/Client.cpp b/libethereum/Client.cpp
index c5b6241d9..a42d1df99 100644
--- a/libethereum/Client.cpp
+++ b/libethereum/Client.cpp
@@ -126,7 +126,7 @@ void Client::killChain()
 
 	m_tq.clear();
 	m_bq.clear();
-	m_miners.clear();
+	m_localMiners.clear();
 	m_preMine = State();
 	m_postMine = State();
 
@@ -167,8 +167,8 @@ void Client::clearPending()
 	}
 
 	{
-		ReadGuard l(x_miners);
-		for (auto& m: m_miners)
+		ReadGuard l(x_localMiners);
+		for (auto& m: m_localMiners)
 			m.noteStateChange();
 	}
 
@@ -223,13 +223,17 @@ void Client::uninstallWatch(unsigned _i)
 	auto fit = m_filters.find(id);
 	if (fit != m_filters.end())
 		if (!--fit->second.refCount)
+		{
+			cwatch << "*X*" << fit->first << ":" << fit->second.filter;
 			m_filters.erase(fit);
+		}
 }
 
 void Client::noteChanged(h256Set const& _filters)
 {
 	Guard l(m_filterLock);
-	cnote << "noteChanged(" << _filters << ")";
+	if (_filters.size())
+		cnote << "noteChanged(" << _filters << ")";
 	// accrue all changes left in each filter into the watches.
 	for (auto& i: m_watches)
 		if (_filters.count(i.second.id))
@@ -250,8 +254,11 @@ LocalisedLogEntries Client::peekWatch(unsigned _watchId) const
 	Guard l(m_filterLock);
 
 	try {
-		return m_watches.at(_watchId).changes;
+		auto& w = m_watches.at(_watchId);
+		w.lastPoll = chrono::system_clock::now();
+		return w.changes;
 	} catch (...) {}
+
 	return LocalisedLogEntries();
 }
 
@@ -261,7 +268,9 @@ LocalisedLogEntries Client::checkWatch(unsigned _watchId)
 	LocalisedLogEntries ret;
 
 	try {
-		std::swap(ret, m_watches.at(_watchId).changes);
+		auto& w = m_watches.at(_watchId);
+		std::swap(ret, w.changes);
+		w.lastPoll = chrono::system_clock::now();
 	} catch (...) {}
 
 	return ret;
@@ -311,8 +320,8 @@ void Client::appendFromNewBlock(h256 const& _block, h256Set& io_changed)
 void Client::setForceMining(bool _enable)
 {
 	 m_forceMining = _enable;
-	 ReadGuard l(x_miners);
-	 for (auto& m: m_miners)
+	 ReadGuard l(x_localMiners);
+	 for (auto& m: m_localMiners)
 		 m.noteStateChange();
 }
 
@@ -321,19 +330,19 @@ void Client::setMiningThreads(unsigned _threads)
 	stopMining();
 
 	auto t = _threads ? _threads : thread::hardware_concurrency();
-	WriteGuard l(x_miners);
-	m_miners.clear();
-	m_miners.resize(t);
+	WriteGuard l(x_localMiners);
+	m_localMiners.clear();
+	m_localMiners.resize(t);
 	unsigned i = 0;
-	for (auto& m: m_miners)
+	for (auto& m: m_localMiners)
 		m.setup(this, i++);
 }
 
 MineProgress Client::miningProgress() const
 {
 	MineProgress ret;
-	ReadGuard l(x_miners);
-	for (auto& m: m_miners)
+	ReadGuard l(x_localMiners);
+	for (auto& m: m_localMiners)
 		ret.combine(m.miningProgress());
 	return ret;
 }
@@ -342,13 +351,13 @@ std::list<MineInfo> Client::miningHistory()
 {
 	std::list<MineInfo> ret;
 
-	ReadGuard l(x_miners);
-	if (m_miners.empty())
+	ReadGuard l(x_localMiners);
+	if (m_localMiners.empty())
 		return ret;
-	ret = m_miners[0].miningHistory();
-	for (unsigned i = 1; i < m_miners.size(); ++i)
+	ret = m_localMiners[0].miningHistory();
+	for (unsigned i = 1; i < m_localMiners.size(); ++i)
 	{
-		auto l = m_miners[i].miningHistory();
+		auto l = m_localMiners[i].miningHistory();
 		auto ri = ret.begin();
 		auto li = l.begin();
 		for (; ri != ret.end() && li != l.end(); ++ri, ++li)
@@ -465,6 +474,22 @@ void Client::inject(bytesConstRef _rlp)
 	m_tq.attemptImport(_rlp);
 }
 
+pair<h256, u256> Client::getWork()
+{
+	Guard l(x_remoteMiner);
+	{
+		ReadGuard l(x_stateDB);
+		m_remoteMiner.update(m_postMine, m_bc);
+	}
+	return make_pair(m_remoteMiner.workHash(), m_remoteMiner.difficulty());
+}
+
+bool Client::submitNonce(h256  const&_nonce)
+{
+	Guard l(x_remoteMiner);
+	return m_remoteMiner.submitWork(_nonce);
+}
+
 void Client::doWork()
 {
 	// TODO: Use condition variable rather than polling.
@@ -472,27 +497,34 @@ void Client::doWork()
 	cworkin << "WORK";
 	h256Set changeds;
 
+	auto maintainMiner = [&](Miner& m)
 	{
-		ReadGuard l(x_miners);
-		for (auto& m: m_miners)
-			if (m.isComplete())
+		if (m.isComplete())
+		{
+			cwork << "CHAIN <== postSTATE";
+			h256s hs;
 			{
-				cwork << "CHAIN <== postSTATE";
-				h256s hs;
-				{
-					WriteGuard l(x_stateDB);
-					hs = m_bc.attemptImport(m.blockData(), m_stateDB);
-				}
-				if (hs.size())
-				{
-					for (auto h: hs)
-						appendFromNewBlock(h, changeds);
-					changeds.insert(ChainChangedFilter);
-					//changeds.insert(PendingChangedFilter);	// if we mined the new block, then we've probably reset the pending transactions.
-				}
-				for (auto& m: m_miners)
-					m.noteStateChange();
+				WriteGuard l(x_stateDB);
+				hs = m_bc.attemptImport(m.blockData(), m_stateDB);
+			}
+			if (hs.size())
+			{
+				for (auto const& h: hs)
+					appendFromNewBlock(h, changeds);
+				changeds.insert(ChainChangedFilter);
 			}
+			for (auto& m: m_localMiners)
+				m.noteStateChange();
+		}
+	};
+	{
+		ReadGuard l(x_localMiners);
+		for (auto& m: m_localMiners)
+			maintainMiner(m);
+	}
+	{
+		Guard l(x_remoteMiner);
+		maintainMiner(m_remoteMiner);
 	}
 
 	// Synchronise state to block chain.
@@ -502,7 +534,7 @@ void Client::doWork()
 	//   if there are no checkpoints before our fork) reverting to the genesis block and replaying
 	//   all blocks.
 	// Resynchronise state with block chain & trans
-	bool rsm = false;
+	bool resyncStateNeeded = false;
 	{
 		WriteGuard l(x_stateDB);
 		cwork << "BQ ==> CHAIN ==> STATE";
@@ -525,7 +557,7 @@ void Client::doWork()
 			if (isMining())
 				cnote << "New block on chain: Restarting mining operation.";
 			m_postMine = m_preMine;
-			rsm = true;
+			resyncStateNeeded = true;
 			changeds.insert(PendingChangedFilter);
 			// TODO: Move transactions pending from m_postMine back to transaction queue.
 		}
@@ -541,13 +573,13 @@ void Client::doWork()
 
 			if (isMining())
 				cnote << "Additional transaction ready: Restarting mining operation.";
-			rsm = true;
+			resyncStateNeeded = true;
 		}
 	}
-	if (rsm)
+	if (resyncStateNeeded)
 	{
-		ReadGuard l(x_miners);
-		for (auto& m: m_miners)
+		ReadGuard l(x_localMiners);
+		for (auto& m: m_localMiners)
 			m.noteStateChange();
 	}
 
@@ -556,6 +588,23 @@ void Client::doWork()
 	cworkout << "WORK";
 
 	this_thread::sleep_for(chrono::milliseconds(100));
+	if (chrono::system_clock::now() - m_lastGarbageCollection > chrono::seconds(5))
+	{
+		// garbage collect on watches
+		vector<unsigned> toUninstall;
+		{
+			Guard l(m_filterLock);
+			for (auto key: keysOf(m_watches))
+				if (chrono::system_clock::now() - m_watches[key].lastPoll > chrono::seconds(20))
+				{
+					toUninstall.push_back(key);
+					cnote << "GC: Uninstall" << key << "(" << chrono::duration_cast<chrono::seconds>(chrono::system_clock::now() - m_watches[key].lastPoll).count() << "s old)";
+				}
+		}
+		for (auto i: toUninstall)
+			uninstallWatch(i);
+		m_lastGarbageCollection = chrono::system_clock::now();
+	}
 }
 
 unsigned Client::numberOf(int _n) const
diff --git a/libethereum/Client.h b/libethereum/Client.h
index 0476db4fd..ce3506bde 100644
--- a/libethereum/Client.h
+++ b/libethereum/Client.h
@@ -89,11 +89,12 @@ static const LocalisedLogEntry InitialChange(SpecialLogEntry, 0);
 
 struct ClientWatch
 {
-	ClientWatch() {}
-	explicit ClientWatch(h256 _id): id(_id) {}
+	ClientWatch(): lastPoll(std::chrono::system_clock::now()) {}
+	explicit ClientWatch(h256 _id): id(_id), lastPoll(std::chrono::system_clock::now()) {}
 
 	h256 id;
 	LocalisedLogEntries changes = LocalisedLogEntries{ InitialChange };
+	mutable std::chrono::system_clock::time_point lastPoll = std::chrono::system_clock::now();
 };
 
 struct WatchChannel: public LogChannel { static const char* name() { return "(o)"; } static const int verbosity = 7; };
@@ -134,6 +135,28 @@ template <class T> T abiOut(bytes const& _data)
 	return ABIDeserialiser<T>::deserialise(o);
 }
 
+class RemoteMiner: public Miner
+{
+public:
+	RemoteMiner() {}
+
+	void update(State const& _provisional, BlockChain const& _bc) { m_state = _provisional; m_state.commitToMine(_bc); }
+
+	h256 workHash() const { return m_state.info().headerHash(IncludeNonce::WithoutNonce); }
+	u256 const& difficulty() const { return m_state.info().difficulty; }
+
+	bool submitWork(h256 const& _nonce) { return (m_isComplete = m_state.completeMine(_nonce)); }
+
+	virtual bool isComplete() const override { return m_isComplete; }
+	virtual bytes const& blockData() const { return m_state.blockData(); }
+
+	virtual void noteStateChange() override {}
+
+private:
+	bool m_isComplete = false;
+	State m_state;
+};
+
 /**
  * @brief Main API hub for interfacing with Ethereum.
  */
@@ -252,20 +275,26 @@ public:
 	/// Stops mining and sets the number of mining threads (0 for automatic).
 	virtual void setMiningThreads(unsigned _threads = 0);
 	/// Get the effective number of mining threads.
-	virtual unsigned miningThreads() const { ReadGuard l(x_miners); return m_miners.size(); }
+	virtual unsigned miningThreads() const { ReadGuard l(x_localMiners); return m_localMiners.size(); }
 	/// Start mining.
 	/// NOT thread-safe - call it & stopMining only from a single thread
-	virtual void startMining() { startWorking(); ReadGuard l(x_miners); for (auto& m: m_miners) m.start(); }
+	virtual void startMining() { startWorking(); ReadGuard l(x_localMiners); for (auto& m: m_localMiners) m.start(); }
 	/// Stop mining.
 	/// NOT thread-safe
-	virtual void stopMining() { ReadGuard l(x_miners); for (auto& m: m_miners) m.stop(); }
+	virtual void stopMining() { ReadGuard l(x_localMiners); for (auto& m: m_localMiners) m.stop(); }
 	/// Are we mining now?
-	virtual bool isMining() { ReadGuard l(x_miners); return m_miners.size() && m_miners[0].isRunning(); }
+	virtual bool isMining() { ReadGuard l(x_localMiners); return m_localMiners.size() && m_localMiners[0].isRunning(); }
 	/// Check the progress of the mining.
 	virtual MineProgress miningProgress() const;
 	/// Get and clear the mining history.
 	std::list<MineInfo> miningHistory();
 
+	/// Update to the latest transactions and get hash of the current block to be mined minus the
+	/// nonce (the 'work hash') and the difficulty to be met.
+	virtual std::pair<h256, u256> getWork() override;
+	/// Submit the nonce for the proof-of-work.
+	virtual bool submitNonce(h256  const&_nonce) override;
+
 	// Debug stuff:
 
 	DownloadMan const* downloadMan() const;
@@ -294,6 +323,7 @@ private:
 	/// Do some work. Handles blockchain maintenance and mining.
 	virtual void doWork();
 
+	/// Called when Worker is exiting.
 	virtual void doneWorking();
 
 	/// Overrides for being a mining host.
@@ -308,26 +338,31 @@ private:
 	State asOf(unsigned _h) const;
 
 	VersionChecker m_vc;					///< Dummy object to check & update the protocol version.
-	CanonBlockChain m_bc;						///< Maintains block database.
+	CanonBlockChain m_bc;					///< Maintains block database.
 	TransactionQueue m_tq;					///< Maintains a list of incoming transactions not yet in a block on the blockchain.
 	BlockQueue m_bq;						///< Maintains a list of incoming blocks not yet on the blockchain (to be imported).
 
-	mutable SharedMutex x_stateDB;	///< Lock on the state DB, effectively a lock on m_postMine.
+	mutable SharedMutex x_stateDB;			///< Lock on the state DB, effectively a lock on m_postMine.
 	OverlayDB m_stateDB;					///< Acts as the central point for the state database, so multiple States can share it.
 	State m_preMine;						///< The present state of the client.
 	State m_postMine;						///< The state of the client which we're mining (i.e. it'll have all the rewards added).
 
 	std::weak_ptr<EthereumHost> m_host;		///< Our Ethereum Host. Don't do anything if we can't lock.
 
-	std::vector<Miner> m_miners;
-	mutable SharedMutex x_miners;
+	mutable Mutex x_remoteMiner;			///< The remote miner lock.
+	RemoteMiner m_remoteMiner;				///< The remote miner.
+
+	std::vector<LocalMiner> m_localMiners;	///< The in-process miners.
+	mutable SharedMutex x_localMiners;		///< The in-process miners lock.
 	bool m_paranoia = false;				///< Should we be paranoid about our state?
 	bool m_turboMining = false;				///< Don't squander all of our time mining actually just sleeping.
 	bool m_forceMining = false;				///< Mine even when there are no transactions pending?
 
-	mutable std::mutex m_filterLock;
+	mutable Mutex m_filterLock;
 	std::map<h256, InstalledFilter> m_filters;
 	std::map<unsigned, ClientWatch> m_watches;
+
+	mutable std::chrono::system_clock::time_point m_lastGarbageCollection;
 };
 
 }
diff --git a/libethereum/Interface.h b/libethereum/Interface.h
index 35cd59663..09a134f1f 100644
--- a/libethereum/Interface.h
+++ b/libethereum/Interface.h
@@ -149,6 +149,11 @@ public:
 	/// Are we mining now?
 	virtual bool isMining() = 0;
 
+	/// Get hash of the current block to be mined minus the nonce (the 'work hash').
+	virtual std::pair<h256, u256> getWork() = 0;
+	/// Submit the nonce for the proof-of-work.
+	virtual bool submitNonce(h256 const&) = 0;
+
 	/// Check the progress of the mining.
 	virtual MineProgress miningProgress() const = 0;
 
diff --git a/libethereum/LogFilter.cpp b/libethereum/LogFilter.cpp
index fa8fbc333..1784094b0 100644
--- a/libethereum/LogFilter.cpp
+++ b/libethereum/LogFilter.cpp
@@ -27,7 +27,7 @@ using namespace std;
 using namespace dev;
 using namespace dev::eth;
 
-std::ostream& dev::operator<<(std::ostream& _out, LogFilter const& _s)
+std::ostream& dev::eth::operator<<(std::ostream& _out, LogFilter const& _s)
 {
 	// TODO
 	_out << "(@" << _s.m_addresses << "#" << _s.m_topics << ">" << _s.m_earliest << "-" << _s.m_latest << "< +" << _s.m_skip << "^" << _s.m_max << ")";
diff --git a/libethereum/LogFilter.h b/libethereum/LogFilter.h
index 39e4ac7ee..5f68cd5d0 100644
--- a/libethereum/LogFilter.h
+++ b/libethereum/LogFilter.h
@@ -34,12 +34,12 @@ namespace eth
 class LogFilter;
 }
 
-/// Simple stream output for the StateDiff.
-std::ostream& operator<<(std::ostream& _out, dev::eth::LogFilter const& _s);
-
 namespace eth
 {
 
+/// Simple stream output for the StateDiff.
+std::ostream& operator<<(std::ostream& _out, dev::eth::LogFilter const& _s);
+
 class State;
 
 class LogFilter
@@ -65,7 +65,7 @@ public:
 	LogFilter withEarliest(int _e) { m_earliest = _e; return *this; }
 	LogFilter withLatest(int _e) { m_latest = _e; return *this; }
 
-	friend std::ostream& dev::operator<<(std::ostream& _out, dev::eth::LogFilter const& _s);
+	friend std::ostream& dev::eth::operator<<(std::ostream& _out, dev::eth::LogFilter const& _s);
 
 private:
 	AddressSet m_addresses;
diff --git a/libethereum/Miner.cpp b/libethereum/Miner.cpp
index 638947a89..a049fca2f 100644
--- a/libethereum/Miner.cpp
+++ b/libethereum/Miner.cpp
@@ -15,8 +15,8 @@
  along with cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
  */
 /** @file Miner.cpp
- * @author Alex Leverington <nessence@gmail.com>
  * @author Gav Wood <i@gavwood.com>
+ * @author Giacomo Tazzari
  * @date 2014
  */
 
@@ -28,19 +28,21 @@ using namespace std;
 using namespace dev;
 using namespace dev::eth;
 
-Miner::Miner(MinerHost* _host, unsigned _id):
+Miner::~Miner() {}
+
+LocalMiner::LocalMiner(MinerHost* _host, unsigned _id):
 	Worker("miner-" + toString(_id)),
 	m_host(_host)
 {
 }
 
-void Miner::setup(MinerHost* _host, unsigned _id)
+void LocalMiner::setup(MinerHost* _host, unsigned _id)
 {
 	m_host = _host;
 	setName("miner-" + toString(_id));
 }
 
-void Miner::doWork()
+void LocalMiner::doWork()
 {
 	// Do some mining.
 	if (m_miningStatus != Waiting && m_miningStatus != Mined)
@@ -63,7 +65,7 @@ void Miner::doWork()
 
 		if (m_miningStatus == Mining)
 		{
-		// Mine for a while.
+			// Mine for a while.
 			MineInfo mineInfo = m_mineState.mine(100, m_host->turbo());
 
 			{
diff --git a/libethereum/Miner.h b/libethereum/Miner.h
index 358a0428b..fd449e995 100644
--- a/libethereum/Miner.h
+++ b/libethereum/Miner.h
@@ -63,6 +63,16 @@ public:
 	virtual bool force() const = 0;				///< @returns true iff the Miner should mine regardless of the number of transactions.
 };
 
+class Miner
+{
+public:
+	virtual ~Miner();
+
+	virtual void noteStateChange() = 0;
+	virtual bool isComplete() const = 0;
+	virtual bytes const& blockData() const = 0;
+};
+
 /**
  * @brief Implements Miner.
  * To begin mining, use start() & stop(). noteStateChange() can be used to reset the mining and set up the
@@ -75,23 +85,23 @@ public:
  * @threadsafe
  * @todo Signal Miner to restart once with condition variables.
  */
-class Miner: Worker
+class LocalMiner: public Miner, Worker
 {
 public:
 	/// Null constructor.
-	Miner(): m_host(nullptr) {}
+	LocalMiner(): m_host(nullptr) {}
 
 	/// Constructor.
-	Miner(MinerHost* _host, unsigned _id = 0);
+	LocalMiner(MinerHost* _host, unsigned _id = 0);
 
 	/// Move-constructor.
-	Miner(Miner&& _m): Worker((Worker&&)_m) { std::swap(m_host, _m.m_host); }
+	LocalMiner(LocalMiner&& _m): Worker((Worker&&)_m) { std::swap(m_host, _m.m_host); }
 
 	/// Move-assignment.
-	Miner& operator=(Miner&& _m) { Worker::operator=((Worker&&)_m); std::swap(m_host, _m.m_host); return *this; }
+	LocalMiner& operator=(LocalMiner&& _m) { Worker::operator=((Worker&&)_m); std::swap(m_host, _m.m_host); return *this; }
 
 	/// Destructor. Stops miner.
-	~Miner() { stop(); }
+	~LocalMiner() { stop(); }
 
 	/// Setup its basics.
 	void setup(MinerHost* _host, unsigned _id = 0);
@@ -103,16 +113,16 @@ public:
 	void stop() { stopWorking(); }
 
 	/// Call to notify Miner of a state change.
-	void noteStateChange() { m_miningStatus = Preparing; }
+	virtual void noteStateChange() override { m_miningStatus = Preparing; }
 
 	/// @returns true iff the mining has been start()ed. It may still not be actually mining, depending on the host's turbo() & force().
 	bool isRunning() { return isWorking(); }
 
 	/// @returns true if mining is complete.
-	bool isComplete() const { return m_miningStatus == Mined; }
+	virtual bool isComplete() const override { return m_miningStatus == Mined; }
 
 	/// @returns the internal State object.
-	bytes const& blockData() { return m_mineState.blockData(); }
+	virtual bytes const& blockData() const override { return m_mineState.blockData(); }
 
 	/// Check the progress of the mining.
 	MineProgress miningProgress() const { Guard l(x_mineInfo); return m_mineProgress; }
diff --git a/libethereum/State.cpp b/libethereum/State.cpp
index fd5f9187f..e44b81c83 100644
--- a/libethereum/State.cpp
+++ b/libethereum/State.cpp
@@ -774,19 +774,31 @@ MineInfo State::mine(unsigned _msTimeout, bool _turbo)
 	// Update difficulty according to timestamp.
 	m_currentBlock.difficulty = m_currentBlock.calculateDifficulty(m_previousBlock);
 
+	MineInfo ret;
 	// TODO: Miner class that keeps dagger between mine calls (or just non-polling mining).
-	auto ret = m_pow.mine(/*out*/m_currentBlock.nonce, m_currentBlock.headerHash(WithoutNonce), m_currentBlock.difficulty, _msTimeout, true, _turbo);
+	tie(ret, m_currentBlock.nonce) = m_pow.mine(m_currentBlock.headerHash(WithoutNonce), m_currentBlock.difficulty, _msTimeout, true, _turbo);
 
 	if (!ret.completed)
 		m_currentBytes.clear();
 	else
-	{
 		cnote << "Completed" << m_currentBlock.headerHash(WithoutNonce).abridged() << m_currentBlock.nonce.abridged() << m_currentBlock.difficulty << ProofOfWork::verify(m_currentBlock.headerHash(WithoutNonce), m_currentBlock.nonce, m_currentBlock.difficulty);
-	}
 
 	return ret;
 }
 
+bool State::completeMine(h256 const& _nonce)
+{
+	if (!m_pow.verify(m_currentBlock.headerHash(WithoutNonce), _nonce, m_currentBlock.difficulty))
+		return false;
+
+	m_currentBlock.nonce = _nonce;
+	cnote << "Completed" << m_currentBlock.headerHash(WithoutNonce).abridged() << m_currentBlock.nonce.abridged() << m_currentBlock.difficulty << ProofOfWork::verify(m_currentBlock.headerHash(WithoutNonce), m_currentBlock.nonce, m_currentBlock.difficulty);
+
+	completeMine();
+
+	return true;
+}
+
 void State::completeMine()
 {
 	cdebug << "Completing mine!";
diff --git a/libethereum/State.h b/libethereum/State.h
index 65a333fb4..17e773a95 100644
--- a/libethereum/State.h
+++ b/libethereum/State.h
@@ -113,6 +113,10 @@ public:
 	/// This may be called multiple times and without issue.
 	void commitToMine(BlockChain const& _bc);
 
+	/// Pass in a solution to the proof-of-work.
+	/// @returns true iff the given nonce is a proof-of-work for this State's block.
+	bool completeMine(h256 const& _nonce);
+
 	/// Attempt to find valid nonce for block that this state represents.
 	/// This function is thread-safe. You can safely have other interactions with this object while it is happening.
 	/// @param _msTimeout Timeout before return in milliseconds.
diff --git a/libevm/VM.cpp b/libevm/VM.cpp
index 45017db9c..9274628fb 100644
--- a/libevm/VM.cpp
+++ b/libevm/VM.cpp
@@ -354,7 +354,7 @@ bytesConstRef VM::go(ExtVMFace& _ext, OnOpFunc const& _onOp, uint64_t _steps)
 			auto base = m_stack.back();
 			auto expon = m_stack[m_stack.size() - 2];
 			m_stack.pop_back();
-			m_stack.back() = (u256)boost::multiprecision::powm((bigint)base, (bigint)expon, bigint(2) << 256);
+			m_stack.back() = (u256)boost::multiprecision::powm((bigint)base, (bigint)expon, bigint(1) << 256);
 			break;
 		}
 		case Instruction::NOT:
diff --git a/libevmcore/Assembly.cpp b/libevmcore/Assembly.cpp
index f7a71102f..889865d9f 100644
--- a/libevmcore/Assembly.cpp
+++ b/libevmcore/Assembly.cpp
@@ -291,7 +291,7 @@ Assembly& Assembly::optimise(bool _enable)
 		{ Instruction::SDIV, [](u256 a, u256 b)->u256{return s2u(u2s(a) / u2s(b));} },
 		{ Instruction::MOD, [](u256 a, u256 b)->u256{return a % b;} },
 		{ Instruction::SMOD, [](u256 a, u256 b)->u256{return s2u(u2s(a) % u2s(b));} },
-		{ Instruction::EXP, [](u256 a, u256 b)->u256{return (u256)boost::multiprecision::powm((bigint)a, (bigint)b, bigint(2) << 256);} },
+		{ Instruction::EXP, [](u256 a, u256 b)->u256{return (u256)boost::multiprecision::powm((bigint)a, (bigint)b, bigint(1) << 256);} },
 		{ Instruction::SIGNEXTEND, signextend },
 		{ Instruction::LT, [](u256 a, u256 b)->u256{return a < b ? 1 : 0;} },
 		{ Instruction::GT, [](u256 a, u256 b)->u256{return a > b ? 1 : 0;} },
diff --git a/libevmcore/Assembly.h b/libevmcore/Assembly.h
index 81e4a9ff7..9d9e4093c 100644
--- a/libevmcore/Assembly.h
+++ b/libevmcore/Assembly.h
@@ -63,8 +63,8 @@ private:
 	u256 m_data;
 };
 
-typedef std::vector<AssemblyItem> AssemblyItems;
-typedef vector_ref<AssemblyItem const> AssemblyItemsConstRef;
+using AssemblyItems = std::vector<AssemblyItem>;
+using AssemblyItemsConstRef = vector_ref<AssemblyItem const>;
 
 std::ostream& operator<<(std::ostream& _out, AssemblyItemsConstRef _i);
 inline std::ostream& operator<<(std::ostream& _out, AssemblyItems const& _i) { return operator<<(_out, AssemblyItemsConstRef(&_i)); }
diff --git a/libjsqrc/ethereumjs/dist/ethereum.js b/libjsqrc/ethereumjs/dist/ethereum.js
index fa4bcc591..4c36a7c71 100644
--- a/libjsqrc/ethereumjs/dist/ethereum.js
+++ b/libjsqrc/ethereumjs/dist/ethereum.js
@@ -1043,33 +1043,16 @@ var ProviderManager = function() {
 
     var self = this;
     var poll = function () {
-        if (self.provider) {
-            var pollsBatch = self.polls.map(function (data) {
-                return data.data;
-            });
-
-            var payload = jsonrpc.toBatchPayload(pollsBatch);
-            var results = self.provider.send(payload);
-
-            self.polls.forEach(function (data, index) {
-                var result = results[index];
-                
-                if (!jsonrpc.isValidResponse(result)) {
-                    console.log(result);
-                    return;
-                }
-
-                result = result.result;
-                // dont call the callback if result is not an array, or empty one
-                if (!(result instanceof Array) || result.length === 0) {
-                    return;
-                }
+        self.polls.forEach(function (data) {
+            var result = self.send(data.data);
 
-                data.callback(result);
+            if (!(result instanceof Array) || result.length === 0) {
+                return;
+            }
 
-            });
+            data.callback(result);
+        });
 
-        }
         setTimeout(poll, 1000);
     };
     poll();
diff --git a/libjsqrc/ethereumjs/dist/ethereum.js.map b/libjsqrc/ethereumjs/dist/ethereum.js.map
index 118372970..e441da86c 100644
--- a/libjsqrc/ethereumjs/dist/ethereum.js.map
+++ b/libjsqrc/ethereumjs/dist/ethereum.js.map
@@ -18,7 +18,7 @@
     "index.js"
   ],
   "names": [],
-  "mappings": 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+  "mappings": 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   "file": "generated.js",
   "sourceRoot": "",
   "sourcesContent": [
@@ -31,7 +31,7 @@
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file formatters.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nif (\"build\" !== 'build') {/*\n    var BigNumber = require('bignumber.js'); // jshint ignore:line\n*/}\n\nvar utils = require('./utils');\nvar c = require('./const');\n\n/// @param string string to be padded\n/// @param number of characters that result string should have\n/// @param sign, by default 0\n/// @returns right aligned string\nvar padLeft = function (string, chars, sign) {\n    return new Array(chars - string.length + 1).join(sign ? sign : \"0\") + string;\n};\n\n/// Formats input value to byte representation of int\n/// If value is negative, return it's two's complement\n/// If the value is floating point, round it down\n/// @returns right-aligned byte representation of int\nvar formatInputInt = function (value) {\n    var padding = c.ETH_PADDING * 2;\n    if (value instanceof BigNumber || typeof value === 'number') {\n        if (typeof value === 'number')\n            value = new BigNumber(value);\n        BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE);\n        value = value.round();\n\n        if (value.lessThan(0)) \n            value = new BigNumber(\"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\", 16).plus(value).plus(1);\n        value = value.toString(16);\n    }\n    else if (value.indexOf('0x') === 0)\n        value = value.substr(2);\n    else if (typeof value === 'string')\n        value = formatInputInt(new BigNumber(value));\n    else\n        value = (+value).toString(16);\n    return padLeft(value, padding);\n};\n\n/// Formats input value to byte representation of string\n/// @returns left-algined byte representation of string\nvar formatInputString = function (value) {\n    return utils.fromAscii(value, c.ETH_PADDING).substr(2);\n};\n\n/// Formats input value to byte representation of bool\n/// @returns right-aligned byte representation bool\nvar formatInputBool = function (value) {\n    return '000000000000000000000000000000000000000000000000000000000000000' + (value ?  '1' : '0');\n};\n\n/// Formats input value to byte representation of real\n/// Values are multiplied by 2^m and encoded as integers\n/// @returns byte representation of real\nvar formatInputReal = function (value) {\n    return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128))); \n};\n\n\n/// Check if input value is negative\n/// @param value is hex format\n/// @returns true if it is negative, otherwise false\nvar signedIsNegative = function (value) {\n    return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';\n};\n\n/// Formats input right-aligned input bytes to int\n/// @returns right-aligned input bytes formatted to int\nvar formatOutputInt = function (value) {\n    value = value || \"0\";\n    // check if it's negative number\n    // it it is, return two's complement\n    if (signedIsNegative(value)) {\n        return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);\n    }\n    return new BigNumber(value, 16);\n};\n\n/// Formats big right-aligned input bytes to uint\n/// @returns right-aligned input bytes formatted to uint\nvar formatOutputUInt = function (value) {\n    value = value || \"0\";\n    return new BigNumber(value, 16);\n};\n\n/// @returns input bytes formatted to real\nvar formatOutputReal = function (value) {\n    return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128)); \n};\n\n/// @returns input bytes formatted to ureal\nvar formatOutputUReal = function (value) {\n    return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128)); \n};\n\n/// @returns right-aligned input bytes formatted to hex\nvar formatOutputHash = function (value) {\n    return \"0x\" + value;\n};\n\n/// @returns right-aligned input bytes formatted to bool\nvar formatOutputBool = function (value) {\n    return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;\n};\n\n/// @returns left-aligned input bytes formatted to ascii string\nvar formatOutputString = function (value) {\n    return utils.toAscii(value);\n};\n\n/// @returns right-aligned input bytes formatted to address\nvar formatOutputAddress = function (value) {\n    return \"0x\" + value.slice(value.length - 40, value.length);\n};\n\n\nmodule.exports = {\n    formatInputInt: formatInputInt,\n    formatInputString: formatInputString,\n    formatInputBool: formatInputBool,\n    formatInputReal: formatInputReal,\n    formatOutputInt: formatOutputInt,\n    formatOutputUInt: formatOutputUInt,\n    formatOutputReal: formatOutputReal,\n    formatOutputUReal: formatOutputUReal,\n    formatOutputHash: formatOutputHash,\n    formatOutputBool: formatOutputBool,\n    formatOutputString: formatOutputString,\n    formatOutputAddress: formatOutputAddress\n};\n\n",
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file httpsync.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n * @date 2014\n */\n\nif (\"build\" !== 'build') {/*\n        var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line\n*/}\n\nvar HttpSyncProvider = function (host) {\n    this.handlers = [];\n    this.host = host || 'http://localhost:8080';\n};\n\nHttpSyncProvider.prototype.send = function (payload) {\n    //var data = formatJsonRpcObject(payload);\n    \n    var request = new XMLHttpRequest();\n    request.open('POST', this.host, false);\n    request.send(JSON.stringify(payload));\n    \n    // check request.status\n    var result = request.responseText;\n    return JSON.parse(result);\n};\n\nmodule.exports = HttpSyncProvider;\n\n",
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file jsonrpc.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nvar messageId = 1;\n\n/// Should be called to valid json create payload object\n/// @param method of jsonrpc call, required\n/// @param params, an array of method params, optional\n/// @returns valid jsonrpc payload object\nvar toPayload = function (method, params) {\n    if (!method)\n        console.error('jsonrpc method should be specified!');\n\n    return {\n        jsonrpc: '2.0',\n        method: method,\n        params: params || [],\n        id: messageId++\n    }; \n};\n\n/// Should be called to check if jsonrpc response is valid\n/// @returns true if response is valid, otherwise false \nvar isValidResponse = function (response) {\n    return !!response &&\n        !response.error &&\n        response.jsonrpc === '2.0' &&\n        typeof response.id === 'number' &&\n        response.result !== undefined; // only undefined is not valid json object\n};\n\n/// Should be called to create batch payload object\n/// @param messages, an array of objects with method (required) and params (optional) fields\nvar toBatchPayload = function (messages) {\n    return messages.map(function (message) {\n        return toPayload(message.method, message.params);\n    }); \n};\n\nmodule.exports = {\n    toPayload: toPayload,\n    isValidResponse: isValidResponse,\n    toBatchPayload: toBatchPayload\n};\n\n\n",
-    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file providermanager.js\n * @authors:\n *   Jeffrey Wilcke <jeff@ethdev.com>\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n *   Gav Wood <g@ethdev.com>\n * @date 2014\n */\n\nvar web3 = require('./web3'); \nvar jsonrpc = require('./jsonrpc');\n\n\n/**\n * Provider manager object prototype\n * It's responsible for passing messages to providers\n * If no provider is set it's responsible for queuing requests\n * It's also responsible for polling the ethereum node for incoming messages\n * Default poll timeout is 12 seconds\n * If we are running ethereum.js inside ethereum browser, there are backend based tools responsible for polling,\n * and provider manager polling mechanism is not used\n */\nvar ProviderManager = function() {\n    this.polls = [];\n    this.provider = undefined;\n\n    var self = this;\n    var poll = function () {\n        if (self.provider) {\n            var pollsBatch = self.polls.map(function (data) {\n                return data.data;\n            });\n\n            var payload = jsonrpc.toBatchPayload(pollsBatch);\n            var results = self.provider.send(payload);\n\n            self.polls.forEach(function (data, index) {\n                var result = results[index];\n                \n                if (!jsonrpc.isValidResponse(result)) {\n                    console.log(result);\n                    return;\n                }\n\n                result = result.result;\n                // dont call the callback if result is not an array, or empty one\n                if (!(result instanceof Array) || result.length === 0) {\n                    return;\n                }\n\n                data.callback(result);\n\n            });\n\n        }\n        setTimeout(poll, 1000);\n    };\n    poll();\n};\n\n/// sends outgoing requests\n/// @params data - an object with at least 'method' property\nProviderManager.prototype.send = function(data) {\n    var payload = jsonrpc.toPayload(data.method, data.params);\n\n    if (this.provider === undefined) {\n        console.error('provider is not set');\n        return null; \n    }\n\n    var result = this.provider.send(payload);\n\n    if (!jsonrpc.isValidResponse(result)) {\n        console.log(result);\n        return null;\n    }\n\n    return result.result;\n};\n\n/// setups provider, which will be used for sending messages\nProviderManager.prototype.set = function(provider) {\n    this.provider = provider;\n};\n\n/// this method is only used, when we do not have native qt bindings and have to do polling on our own\n/// should be callled, on start watching for eth/shh changes\nProviderManager.prototype.startPolling = function (data, pollId, callback) {\n    this.polls.push({data: data, id: pollId, callback: callback});\n};\n\n/// should be called to stop polling for certain watch changes\nProviderManager.prototype.stopPolling = function (pollId) {\n    for (var i = this.polls.length; i--;) {\n        var poll = this.polls[i];\n        if (poll.id === pollId) {\n            this.polls.splice(i, 1);\n        }\n    }\n};\n\nmodule.exports = ProviderManager;\n\n",
+    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file providermanager.js\n * @authors:\n *   Jeffrey Wilcke <jeff@ethdev.com>\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n *   Gav Wood <g@ethdev.com>\n * @date 2014\n */\n\nvar web3 = require('./web3'); \nvar jsonrpc = require('./jsonrpc');\n\n\n/**\n * Provider manager object prototype\n * It's responsible for passing messages to providers\n * If no provider is set it's responsible for queuing requests\n * It's also responsible for polling the ethereum node for incoming messages\n * Default poll timeout is 12 seconds\n * If we are running ethereum.js inside ethereum browser, there are backend based tools responsible for polling,\n * and provider manager polling mechanism is not used\n */\nvar ProviderManager = function() {\n    this.polls = [];\n    this.provider = undefined;\n\n    var self = this;\n    var poll = function () {\n        self.polls.forEach(function (data) {\n            var result = self.send(data.data);\n\n            if (!(result instanceof Array) || result.length === 0) {\n                return;\n            }\n\n            data.callback(result);\n        });\n\n        setTimeout(poll, 1000);\n    };\n    poll();\n};\n\n/// sends outgoing requests\n/// @params data - an object with at least 'method' property\nProviderManager.prototype.send = function(data) {\n    var payload = jsonrpc.toPayload(data.method, data.params);\n\n    if (this.provider === undefined) {\n        console.error('provider is not set');\n        return null; \n    }\n\n    var result = this.provider.send(payload);\n\n    if (!jsonrpc.isValidResponse(result)) {\n        console.log(result);\n        return null;\n    }\n\n    return result.result;\n};\n\n/// setups provider, which will be used for sending messages\nProviderManager.prototype.set = function(provider) {\n    this.provider = provider;\n};\n\n/// this method is only used, when we do not have native qt bindings and have to do polling on our own\n/// should be callled, on start watching for eth/shh changes\nProviderManager.prototype.startPolling = function (data, pollId, callback) {\n    this.polls.push({data: data, id: pollId, callback: callback});\n};\n\n/// should be called to stop polling for certain watch changes\nProviderManager.prototype.stopPolling = function (pollId) {\n    for (var i = this.polls.length; i--;) {\n        var poll = this.polls[i];\n        if (poll.id === pollId) {\n            this.polls.splice(i, 1);\n        }\n    }\n};\n\nmodule.exports = ProviderManager;\n\n",
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file qtsync.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n * @date 2014\n */\n\nvar QtSyncProvider = function () {\n};\n\nQtSyncProvider.prototype.send = function (payload) {\n    var result = navigator.qt.callMethod(JSON.stringify(payload));\n    return JSON.parse(result);\n};\n\nmodule.exports = QtSyncProvider;\n\n",
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file types.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nvar f = require('./formatters');\n\n/// @param expected type prefix (string)\n/// @returns function which checks if type has matching prefix. if yes, returns true, otherwise false\nvar prefixedType = function (prefix) {\n    return function (type) {\n        return type.indexOf(prefix) === 0;\n    };\n};\n\n/// @param expected type name (string)\n/// @returns function which checks if type is matching expected one. if yes, returns true, otherwise false\nvar namedType = function (name) {\n    return function (type) {\n        return name === type;\n    };\n};\n\n/// Setups input formatters for solidity types\n/// @returns an array of input formatters \nvar inputTypes = function () {\n    \n    return [\n        { type: prefixedType('uint'), format: f.formatInputInt },\n        { type: prefixedType('int'), format: f.formatInputInt },\n        { type: prefixedType('hash'), format: f.formatInputInt },\n        { type: prefixedType('string'), format: f.formatInputString }, \n        { type: prefixedType('real'), format: f.formatInputReal },\n        { type: prefixedType('ureal'), format: f.formatInputReal },\n        { type: namedType('address'), format: f.formatInputInt },\n        { type: namedType('bool'), format: f.formatInputBool }\n    ];\n};\n\n/// Setups output formaters for solidity types\n/// @returns an array of output formatters\nvar outputTypes = function () {\n\n    return [\n        { type: prefixedType('uint'), format: f.formatOutputUInt },\n        { type: prefixedType('int'), format: f.formatOutputInt },\n        { type: prefixedType('hash'), format: f.formatOutputHash },\n        { type: prefixedType('string'), format: f.formatOutputString },\n        { type: prefixedType('real'), format: f.formatOutputReal },\n        { type: prefixedType('ureal'), format: f.formatOutputUReal },\n        { type: namedType('address'), format: f.formatOutputAddress },\n        { type: namedType('bool'), format: f.formatOutputBool }\n    ];\n};\n\nmodule.exports = {\n    prefixedType: prefixedType,\n    namedType: namedType,\n    inputTypes: inputTypes,\n    outputTypes: outputTypes\n};\n\n",
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file utils.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nvar c = require('./const');\n\n/// Finds first index of array element matching pattern\n/// @param array\n/// @param callback pattern\n/// @returns index of element\nvar findIndex = function (array, callback) {\n    var end = false;\n    var i = 0;\n    for (; i < array.length && !end; i++) {\n        end = callback(array[i]);\n    }\n    return end ? i - 1 : -1;\n};\n\n/// @returns ascii string representation of hex value prefixed with 0x\nvar toAscii = function(hex) {\n// Find termination\n    var str = \"\";\n    var i = 0, l = hex.length;\n    if (hex.substring(0, 2) === '0x') {\n        i = 2;\n    }\n    for (; i < l; i+=2) {\n        var code = parseInt(hex.substr(i, 2), 16);\n        if (code === 0) {\n            break;\n        }\n\n        str += String.fromCharCode(code);\n    }\n\n    return str;\n};\n    \nvar toHex = function(str) {\n    var hex = \"\";\n    for(var i = 0; i < str.length; i++) {\n        var n = str.charCodeAt(i).toString(16);\n        hex += n.length < 2 ? '0' + n : n;\n    }\n\n    return hex;\n};\n\n/// @returns hex representation (prefixed by 0x) of ascii string\nvar fromAscii = function(str, pad) {\n    pad = pad === undefined ? 0 : pad;\n    var hex = toHex(str);\n    while (hex.length < pad*2)\n        hex += \"00\";\n    return \"0x\" + hex;\n};\n\n/// @returns display name for function/event eg. multiply(uint256) -> multiply\nvar extractDisplayName = function (name) {\n    var length = name.indexOf('('); \n    return length !== -1 ? name.substr(0, length) : name;\n};\n\n/// @returns overloaded part of function/event name\nvar extractTypeName = function (name) {\n    /// TODO: make it invulnerable\n    var length = name.indexOf('(');\n    return length !== -1 ? name.substr(length + 1, name.length - 1 - (length + 1)).replace(' ', '') : \"\";\n};\n\n/// Filters all function from input abi\n/// @returns abi array with filtered objects of type 'function'\nvar filterFunctions = function (json) {\n    return json.filter(function (current) {\n        return current.type === 'function'; \n    }); \n};\n\n/// Filters all events form input abi\n/// @returns abi array with filtered objects of type 'event'\nvar filterEvents = function (json) {\n    return json.filter(function (current) {\n        return current.type === 'event';\n    });\n};\n\n/// used to transform value/string to eth string\n/// TODO: use BigNumber.js to parse int\n/// TODO: add tests for it!\nvar toEth = function (str) {\n    var val = typeof str === \"string\" ? str.indexOf('0x') === 0 ? parseInt(str.substr(2), 16) : parseInt(str) : str;\n    var unit = 0;\n    var units = c.ETH_UNITS;\n    while (val > 3000 && unit < units.length - 1)\n    {\n        val /= 1000;\n        unit++;\n    }\n    var s = val.toString().length < val.toFixed(2).length ? val.toString() : val.toFixed(2);\n    var replaceFunction = function($0, $1, $2) {\n        return $1 + ',' + $2;\n    };\n\n    while (true) {\n        var o = s;\n        s = s.replace(/(\\d)(\\d\\d\\d[\\.\\,])/, replaceFunction);\n        if (o === s)\n            break;\n    }\n    return s + ' ' + units[unit];\n};\n\nmodule.exports = {\n    findIndex: findIndex,\n    toAscii: toAscii,\n    fromAscii: fromAscii,\n    extractDisplayName: extractDisplayName,\n    extractTypeName: extractTypeName,\n    filterFunctions: filterFunctions,\n    filterEvents: filterEvents,\n    toEth: toEth\n};\n\n",
diff --git a/libjsqrc/ethereumjs/dist/ethereum.min.js b/libjsqrc/ethereumjs/dist/ethereum.min.js
index a724e6261..df408d3e4 100644
--- a/libjsqrc/ethereumjs/dist/ethereum.min.js
+++ b/libjsqrc/ethereumjs/dist/ethereum.min.js
@@ -1 +1 @@
-require=function t(e,n,r){function i(a,u){if(!n[a]){if(!e[a]){var s="function"==typeof require&&require;if(!u&&s)return s(a,!0);if(o)return o(a,!0);var f=new Error("Cannot find module '"+a+"'");throw f.code="MODULE_NOT_FOUND",f}var c=n[a]={exports:{}};e[a][0].call(c.exports,function(t){var n=e[a][1][t];return i(n?n:t)},c,c.exports,t,e,n,r)}return n[a].exports}for(var o="function"==typeof require&&require,a=0;a<r.length;a++)i(r[a]);return i}({1:[function(t,e){var n=t("./web3"),r=t("./utils"),i=t("./types"),o=t("./const"),a=t("./formatters"),u=function(t){console.error("parser does not support type: "+t)},s=function(t){return"[]"===t.slice(-2)},f=function(t,e){return s(t)||"string"===t?a.formatInputInt(e.length):""},c=i.inputTypes(),l=function(t,e){{var n="";2*o.ETH_PADDING}return t.forEach(function(t,r){n+=f(t.type,e[r])}),t.forEach(function(r,i){for(var o=!1,a=0;a<c.length&&!o;a++)o=c[a].type(t[i].type,e[i]);o||u(t[i].type);var f=c[a-1].format,l="";l=s(t[i].type)?e[i].reduce(function(t,e){return t+f(e)},""):f(e[i]),n+=l}),n},p=function(t){return s(t)||"string"===t?2*o.ETH_PADDING:0},m=i.outputTypes(),h=function(t,e){e=e.slice(2);var n=[],r=2*o.ETH_PADDING,f=t.reduce(function(t,e){return t+p(e.type)},0),c=e.slice(0,f);return e=e.slice(f),t.forEach(function(o,f){for(var l=!1,p=0;p<m.length&&!l;p++)l=m[p].type(t[f].type);l||u(t[f].type);var h=m[p-1].format;if(s(t[f].type)){var d=a.formatOutputUInt(c.slice(0,r));c=c.slice(r);for(var g=[],v=0;d>v;v++)g.push(h(e.slice(0,r))),e=e.slice(r);n.push(g)}else i.prefixedType("string")(t[f].type)?(c=c.slice(r),n.push(h(e.slice(0,r))),e=e.slice(r)):(n.push(h(e.slice(0,r))),e=e.slice(r))}),n},d=function(t){var e={};return t.forEach(function(t){var n=r.extractDisplayName(t.name),i=r.extractTypeName(t.name),o=function(){var e=Array.prototype.slice.call(arguments);return l(t.inputs,e)};void 0===e[n]&&(e[n]=o),e[n][i]=o}),e},g=function(t){var e={};return t.forEach(function(t){var n=r.extractDisplayName(t.name),i=r.extractTypeName(t.name),o=function(e){return h(t.outputs,e)};void 0===e[n]&&(e[n]=o),e[n][i]=o}),e},v=function(t){return n.sha3(n.fromAscii(t)).slice(0,2+2*o.ETH_SIGNATURE_LENGTH)},y=function(t){return n.sha3(n.fromAscii(t))};e.exports={inputParser:d,outputParser:g,formatInput:l,formatOutput:h,signatureFromAscii:v,eventSignatureFromAscii:y}},{"./const":2,"./formatters":6,"./types":11,"./utils":12,"./web3":13}],2:[function(t,e){var n=["wei","Kwei","Mwei","Gwei","szabo","finney","ether","grand","Mether","Gether","Tether","Pether","Eether","Zether","Yether","Nether","Dether","Vether","Uether"];e.exports={ETH_PADDING:32,ETH_SIGNATURE_LENGTH:4,ETH_UNITS:n,ETH_BIGNUMBER_ROUNDING_MODE:{ROUNDING_MODE:BigNumber.ROUND_DOWN}}},{}],3:[function(t,e){var n=t("./web3"),r=t("./abi"),i=t("./utils"),o=t("./event"),a=function(t){n._currentContractAbi=t.abi,n._currentContractAddress=t.address,n._currentContractMethodName=t.method,n._currentContractMethodParams=t.params},u=function(t){t.call=function(e){return t._isTransact=!1,t._options=e,t},t.transact=function(e){return t._isTransact=!0,t._options=e,t},t._options={},["gas","gasPrice","value","from"].forEach(function(e){t[e]=function(n){return t._options[e]=n,t}})},s=function(t,e,o){var u=r.inputParser(e),s=r.outputParser(e);i.filterFunctions(e).forEach(function(f){var c=i.extractDisplayName(f.name),l=i.extractTypeName(f.name),p=function(){var i=Array.prototype.slice.call(arguments),p=r.signatureFromAscii(f.name),m=u[c][l].apply(null,i),h=t._options||{};h.to=o,h.data=p+m;var d=t._isTransact===!0||t._isTransact!==!1&&!f.constant,g=h.collapse!==!1;if(t._options={},t._isTransact=null,d)return a({abi:e,address:o,method:f.name,params:i}),void n.eth.transact(h);var v=n.eth.call(h),y=s[c][l](v);return g&&(1===y.length?y=y[0]:0===y.length&&(y=null)),y};void 0===t[c]&&(t[c]=p),t[c][l]=p})},f=function(t,e,n){t.address=n,t._onWatchEventResult=function(t){var n=event.getMatchingEvent(i.filterEvents(e)),r=o.outputParser(n);return r(t)},Object.defineProperty(t,"topic",{get:function(){return i.filterEvents(e).map(function(t){return r.eventSignatureFromAscii(t.name)})}})},c=function(t,e,a){i.filterEvents(e).forEach(function(e){var u=function(){var t=Array.prototype.slice.call(arguments),i=r.eventSignatureFromAscii(e.name),u=o.inputParser(a,i,e),s=u.apply(null,t);return s._onWatchEventResult=function(t){var n=o.outputParser(e);return n(t)},n.eth.watch(s)};u._isEvent=!0;var s=i.extractDisplayName(e.name),f=i.extractTypeName(e.name);void 0===t[s]&&(t[s]=u),t[s][f]=u})},l=function(t,e){e.forEach(function(t){if(-1===t.name.indexOf("(")){var e=t.name,n=t.inputs.map(function(t){return t.type}).join();t.name=e+"("+n+")"}});var n={};return u(n),s(n,e,t),f(n,e,t),c(n,e,t),n};e.exports=l},{"./abi":1,"./event":4,"./utils":12,"./web3":13}],4:[function(t,e){var n=t("./abi"),r=t("./utils"),i=function(t,e){return t.filter(function(t){return t.indexed===e})},o=function(t,e){var n=r.findIndex(t,function(t){return t.name===e});return-1===n?void console.error("indexed param with name "+e+" not found"):t[n]},a=function(t,e){return Object.keys(e).map(function(r){var a=[o(i(t.inputs,!0),r)],u=e[r];return u instanceof Array?u.map(function(t){return n.formatInput(a,[t])}):n.formatInput(a,[u])})},u=function(t,e,n){return function(r,i){var o=i||{};return o.address=t,o.topic=[],o.topic.push(e),r&&(o.topic=o.topic.concat(a(n,r))),o}},s=function(t,e,n){e.slice(),n.slice();return t.reduce(function(t,r){var i;return i=r.indexed?e.splice(0,1)[0]:n.splice(0,1)[0],t[r.name]=i,t},{})},f=function(t){return function(e){var o={event:r.extractDisplayName(t.name),number:e.number,args:{}};if(!e.topic)return o;var a=i(t.inputs,!0),u="0x"+e.topic.slice(1,e.topic.length).map(function(t){return t.slice(2)}).join(""),f=n.formatOutput(a,u),c=i(t.inputs,!1),l=n.formatOutput(c,e.data);return o.args=s(t.inputs,f,l),o}},c=function(t,e){for(var r=0;r<t.length;r++){var i=n.eventSignatureFromAscii(t[r].name);if(i===e.topic[0])return t[r]}return void 0};e.exports={inputParser:u,outputParser:f,getMatchingEvent:c}},{"./abi":1,"./utils":12}],5:[function(t,e){var n=t("./web3"),r=function(t,e){"string"!=typeof t&&(t.topics&&console.warn('"topics" is deprecated, use "topic" instead'),this._onWatchResult=t._onWatchEventResult,t={to:t.to,topic:t.topic,earliest:t.earliest,latest:t.latest,max:t.max,skip:t.skip,address:t.address}),this.impl=e,this.callbacks=[],this.id=e.newFilter(t),n.provider.startPolling({method:e.changed,params:[this.id]},this.id,this.trigger.bind(this))};r.prototype.arrived=function(t){this.changed(t)},r.prototype.happened=function(t){this.changed(t)},r.prototype.changed=function(t){this.callbacks.push(t)},r.prototype.trigger=function(t){for(var e=0;e<this.callbacks.length;e++)for(var n=0;n<t.length;n++){var r=this._onWatchResult?this._onWatchResult(t[n]):t[n];this.callbacks[e].call(this,r)}},r.prototype.uninstall=function(){this.impl.uninstallFilter(this.id),n.provider.stopPolling(this.id)},r.prototype.messages=function(){return this.impl.getMessages(this.id)},r.prototype.logs=function(){return this.messages()},e.exports=r},{"./web3":13}],6:[function(t,e){var n=t("./utils"),r=t("./const"),i=function(t,e,n){return new Array(e-t.length+1).join(n?n:"0")+t},o=function(t){var e=2*r.ETH_PADDING;return t instanceof BigNumber||"number"==typeof t?("number"==typeof t&&(t=new BigNumber(t)),BigNumber.config(r.ETH_BIGNUMBER_ROUNDING_MODE),t=t.round(),t.lessThan(0)&&(t=new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16).plus(t).plus(1)),t=t.toString(16)):t=0===t.indexOf("0x")?t.substr(2):"string"==typeof t?o(new BigNumber(t)):(+t).toString(16),i(t,e)},a=function(t){return n.fromAscii(t,r.ETH_PADDING).substr(2)},u=function(t){return"000000000000000000000000000000000000000000000000000000000000000"+(t?"1":"0")},s=function(t){return o(new BigNumber(t).times(new BigNumber(2).pow(128)))},f=function(t){return"1"===new BigNumber(t.substr(0,1),16).toString(2).substr(0,1)},c=function(t){return t=t||"0",f(t)?new BigNumber(t,16).minus(new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16)).minus(1):new BigNumber(t,16)},l=function(t){return t=t||"0",new BigNumber(t,16)},p=function(t){return c(t).dividedBy(new BigNumber(2).pow(128))},m=function(t){return l(t).dividedBy(new BigNumber(2).pow(128))},h=function(t){return"0x"+t},d=function(t){return"0000000000000000000000000000000000000000000000000000000000000001"===t?!0:!1},g=function(t){return n.toAscii(t)},v=function(t){return"0x"+t.slice(t.length-40,t.length)};e.exports={formatInputInt:o,formatInputString:a,formatInputBool:u,formatInputReal:s,formatOutputInt:c,formatOutputUInt:l,formatOutputReal:p,formatOutputUReal:m,formatOutputHash:h,formatOutputBool:d,formatOutputString:g,formatOutputAddress:v}},{"./const":2,"./utils":12}],7:[function(t,e){var n=function(t){this.handlers=[],this.host=t||"http://localhost:8080"};n.prototype.send=function(t){var e=new XMLHttpRequest;e.open("POST",this.host,!1),e.send(JSON.stringify(t));var n=e.responseText;return JSON.parse(n)},e.exports=n},{}],8:[function(t,e){var n=1,r=function(t,e){return t||console.error("jsonrpc method should be specified!"),{jsonrpc:"2.0",method:t,params:e||[],id:n++}},i=function(t){return!!t&&!t.error&&"2.0"===t.jsonrpc&&"number"==typeof t.id&&void 0!==t.result},o=function(t){return t.map(function(t){return r(t.method,t.params)})};e.exports={toPayload:r,isValidResponse:i,toBatchPayload:o}},{}],9:[function(t,e){var n=(t("./web3"),t("./jsonrpc")),r=function(){this.polls=[],this.provider=void 0;var t=this,e=function(){if(t.provider){var r=t.polls.map(function(t){return t.data}),i=n.toBatchPayload(r),o=t.provider.send(i);t.polls.forEach(function(t,e){var r=o[e];return n.isValidResponse(r)?(r=r.result,void(r instanceof Array&&0!==r.length&&t.callback(r))):void console.log(r)})}setTimeout(e,1e3)};e()};r.prototype.send=function(t){var e=n.toPayload(t.method,t.params);if(void 0===this.provider)return console.error("provider is not set"),null;var r=this.provider.send(e);return n.isValidResponse(r)?r.result:(console.log(r),null)},r.prototype.set=function(t){this.provider=t},r.prototype.startPolling=function(t,e,n){this.polls.push({data:t,id:e,callback:n})},r.prototype.stopPolling=function(t){for(var e=this.polls.length;e--;){var n=this.polls[e];n.id===t&&this.polls.splice(e,1)}},e.exports=r},{"./jsonrpc":8,"./web3":13}],10:[function(t,e){var n=function(){};n.prototype.send=function(t){var e=navigator.qt.callMethod(JSON.stringify(t));return JSON.parse(e)},e.exports=n},{}],11:[function(t,e){var n=t("./formatters"),r=function(t){return function(e){return 0===e.indexOf(t)}},i=function(t){return function(e){return t===e}},o=function(){return[{type:r("uint"),format:n.formatInputInt},{type:r("int"),format:n.formatInputInt},{type:r("hash"),format:n.formatInputInt},{type:r("string"),format:n.formatInputString},{type:r("real"),format:n.formatInputReal},{type:r("ureal"),format:n.formatInputReal},{type:i("address"),format:n.formatInputInt},{type:i("bool"),format:n.formatInputBool}]},a=function(){return[{type:r("uint"),format:n.formatOutputUInt},{type:r("int"),format:n.formatOutputInt},{type:r("hash"),format:n.formatOutputHash},{type:r("string"),format:n.formatOutputString},{type:r("real"),format:n.formatOutputReal},{type:r("ureal"),format:n.formatOutputUReal},{type:i("address"),format:n.formatOutputAddress},{type:i("bool"),format:n.formatOutputBool}]};e.exports={prefixedType:r,namedType:i,inputTypes:o,outputTypes:a}},{"./formatters":6}],12:[function(t,e){var n=t("./const"),r=function(t,e){for(var n=!1,r=0;r<t.length&&!n;r++)n=e(t[r]);return n?r-1:-1},i=function(t){var e="",n=0,r=t.length;for("0x"===t.substring(0,2)&&(n=2);r>n;n+=2){var i=parseInt(t.substr(n,2),16);if(0===i)break;e+=String.fromCharCode(i)}return e},o=function(t){for(var e="",n=0;n<t.length;n++){var r=t.charCodeAt(n).toString(16);e+=r.length<2?"0"+r:r}return e},a=function(t,e){e=void 0===e?0:e;for(var n=o(t);n.length<2*e;)n+="00";return"0x"+n},u=function(t){var e=t.indexOf("(");return-1!==e?t.substr(0,e):t},s=function(t){var e=t.indexOf("(");return-1!==e?t.substr(e+1,t.length-1-(e+1)).replace(" ",""):""},f=function(t){return t.filter(function(t){return"function"===t.type})},c=function(t){return t.filter(function(t){return"event"===t.type})},l=function(t){for(var e="string"==typeof t?0===t.indexOf("0x")?parseInt(t.substr(2),16):parseInt(t):t,r=0,i=n.ETH_UNITS;e>3e3&&r<i.length-1;)e/=1e3,r++;for(var o=e.toString().length<e.toFixed(2).length?e.toString():e.toFixed(2),a=function(t,e,n){return e+","+n};;){var u=o;if(o=o.replace(/(\d)(\d\d\d[\.\,])/,a),u===o)break}return o+" "+i[r]};e.exports={findIndex:r,toAscii:i,fromAscii:a,extractDisplayName:u,extractTypeName:s,filterFunctions:f,filterEvents:c,toEth:l}},{"./const":2}],13:[function(t,e){var n=t("./utils"),r=function(){return[{name:"sha3",call:"web3_sha3"}]},i=function(){var t=function(t){return"string"==typeof t[0]?"eth_blockByHash":"eth_blockByNumber"},e=function(t){return"string"==typeof t[0]?"eth_transactionByHash":"eth_transactionByNumber"},n=function(t){return"string"==typeof t[0]?"eth_uncleByHash":"eth_uncleByNumber"},r=[{name:"balanceAt",call:"eth_balanceAt"},{name:"stateAt",call:"eth_stateAt"},{name:"storageAt",call:"eth_storageAt"},{name:"countAt",call:"eth_countAt"},{name:"codeAt",call:"eth_codeAt"},{name:"transact",call:"eth_transact"},{name:"call",call:"eth_call"},{name:"block",call:t},{name:"transaction",call:e},{name:"uncle",call:n},{name:"compilers",call:"eth_compilers"},{name:"flush",call:"eth_flush"},{name:"lll",call:"eth_lll"},{name:"solidity",call:"eth_solidity"},{name:"serpent",call:"eth_serpent"},{name:"logs",call:"eth_logs"}];return r},o=function(){return[{name:"coinbase",getter:"eth_coinbase",setter:"eth_setCoinbase"},{name:"listening",getter:"eth_listening",setter:"eth_setListening"},{name:"mining",getter:"eth_mining",setter:"eth_setMining"},{name:"gasPrice",getter:"eth_gasPrice"},{name:"accounts",getter:"eth_accounts"},{name:"peerCount",getter:"eth_peerCount"},{name:"defaultBlock",getter:"eth_defaultBlock",setter:"eth_setDefaultBlock"},{name:"number",getter:"eth_number"}]},a=function(){return[{name:"put",call:"db_put"},{name:"get",call:"db_get"},{name:"putString",call:"db_putString"},{name:"getString",call:"db_getString"}]},u=function(){return[{name:"post",call:"shh_post"},{name:"newIdentity",call:"shh_newIdentity"},{name:"haveIdentity",call:"shh_haveIdentity"},{name:"newGroup",call:"shh_newGroup"},{name:"addToGroup",call:"shh_addToGroup"}]},s=function(){var t=function(t){return"string"==typeof t[0]?"eth_newFilterString":"eth_newFilter"};return[{name:"newFilter",call:t},{name:"uninstallFilter",call:"eth_uninstallFilter"},{name:"getMessages",call:"eth_filterLogs"}]},f=function(){return[{name:"newFilter",call:"shh_newFilter"},{name:"uninstallFilter",call:"shh_uninstallFilter"},{name:"getMessages",call:"shh_getMessages"}]},c=function(t,e){e.forEach(function(e){t[e.name]=function(){var t=Array.prototype.slice.call(arguments),n="function"==typeof e.call?e.call(t):e.call;return p.provider.send({method:n,params:t})}})},l=function(t,e){e.forEach(function(e){var n={};n.get=function(){return p.provider.send({method:e.getter})},e.setter&&(n.set=function(t){return p.provider.send({method:e.setter,params:[t]})}),Object.defineProperty(t,e.name,n)})},p={_callbacks:{},_events:{},providers:{},toAscii:n.toAscii,fromAscii:n.fromAscii,toDecimal:function(t){return t=t.length>2?t.substring(2):"0",new BigNumber(t,16).toString(10)},fromDecimal:function(t){return"0x"+new BigNumber(t).toString(16)},toEth:n.toEth,eth:{contractFromAbi:function(t){return function(e){e=e||"0xc6d9d2cd449a754c494264e1809c50e34d64562b";var n=p.eth.contract(e,t);return n.address=e,n}},watch:function(t,e,n){return t._isEvent?t(e,n):new p.filter(t,m)}},db:{},shh:{watch:function(t){return new p.filter(t,h)}}};c(p,r()),c(p.eth,i()),l(p.eth,o()),c(p.db,a()),c(p.shh,u());var m={changed:"eth_changed"};c(m,s());var h={changed:"shh_changed"};c(h,f()),p.setProvider=function(t){p.provider.set(t)},e.exports=p},{"./utils":12}],web3:[function(t,e){var n=t("./lib/web3"),r=t("./lib/providermanager");n.provider=new r,n.filter=t("./lib/filter"),n.providers.HttpSyncProvider=t("./lib/httpsync"),n.providers.QtSyncProvider=t("./lib/qtsync"),n.eth.contract=t("./lib/contract"),n.abi=t("./lib/abi"),e.exports=n},{"./lib/abi":1,"./lib/contract":3,"./lib/filter":5,"./lib/httpsync":7,"./lib/providermanager":9,"./lib/qtsync":10,"./lib/web3":13}]},{},["web3"]);
\ No newline at end of file
+require=function t(e,n,r){function i(a,u){if(!n[a]){if(!e[a]){var s="function"==typeof require&&require;if(!u&&s)return s(a,!0);if(o)return o(a,!0);var f=new Error("Cannot find module '"+a+"'");throw f.code="MODULE_NOT_FOUND",f}var c=n[a]={exports:{}};e[a][0].call(c.exports,function(t){var n=e[a][1][t];return i(n?n:t)},c,c.exports,t,e,n,r)}return n[a].exports}for(var o="function"==typeof require&&require,a=0;a<r.length;a++)i(r[a]);return i}({1:[function(t,e){var n=t("./web3"),r=t("./utils"),i=t("./types"),o=t("./const"),a=t("./formatters"),u=function(t){console.error("parser does not support type: "+t)},s=function(t){return"[]"===t.slice(-2)},f=function(t,e){return s(t)||"string"===t?a.formatInputInt(e.length):""},c=i.inputTypes(),l=function(t,e){{var n="";2*o.ETH_PADDING}return t.forEach(function(t,r){n+=f(t.type,e[r])}),t.forEach(function(r,i){for(var o=!1,a=0;a<c.length&&!o;a++)o=c[a].type(t[i].type,e[i]);o||u(t[i].type);var f=c[a-1].format,l="";l=s(t[i].type)?e[i].reduce(function(t,e){return t+f(e)},""):f(e[i]),n+=l}),n},p=function(t){return s(t)||"string"===t?2*o.ETH_PADDING:0},m=i.outputTypes(),h=function(t,e){e=e.slice(2);var n=[],r=2*o.ETH_PADDING,f=t.reduce(function(t,e){return t+p(e.type)},0),c=e.slice(0,f);return e=e.slice(f),t.forEach(function(o,f){for(var l=!1,p=0;p<m.length&&!l;p++)l=m[p].type(t[f].type);l||u(t[f].type);var h=m[p-1].format;if(s(t[f].type)){var d=a.formatOutputUInt(c.slice(0,r));c=c.slice(r);for(var g=[],v=0;d>v;v++)g.push(h(e.slice(0,r))),e=e.slice(r);n.push(g)}else i.prefixedType("string")(t[f].type)?(c=c.slice(r),n.push(h(e.slice(0,r))),e=e.slice(r)):(n.push(h(e.slice(0,r))),e=e.slice(r))}),n},d=function(t){var e={};return t.forEach(function(t){var n=r.extractDisplayName(t.name),i=r.extractTypeName(t.name),o=function(){var e=Array.prototype.slice.call(arguments);return l(t.inputs,e)};void 0===e[n]&&(e[n]=o),e[n][i]=o}),e},g=function(t){var e={};return t.forEach(function(t){var n=r.extractDisplayName(t.name),i=r.extractTypeName(t.name),o=function(e){return h(t.outputs,e)};void 0===e[n]&&(e[n]=o),e[n][i]=o}),e},v=function(t){return n.sha3(n.fromAscii(t)).slice(0,2+2*o.ETH_SIGNATURE_LENGTH)},y=function(t){return n.sha3(n.fromAscii(t))};e.exports={inputParser:d,outputParser:g,formatInput:l,formatOutput:h,signatureFromAscii:v,eventSignatureFromAscii:y}},{"./const":2,"./formatters":6,"./types":11,"./utils":12,"./web3":13}],2:[function(t,e){var n=["wei","Kwei","Mwei","Gwei","szabo","finney","ether","grand","Mether","Gether","Tether","Pether","Eether","Zether","Yether","Nether","Dether","Vether","Uether"];e.exports={ETH_PADDING:32,ETH_SIGNATURE_LENGTH:4,ETH_UNITS:n,ETH_BIGNUMBER_ROUNDING_MODE:{ROUNDING_MODE:BigNumber.ROUND_DOWN}}},{}],3:[function(t,e){var n=t("./web3"),r=t("./abi"),i=t("./utils"),o=t("./event"),a=function(t){n._currentContractAbi=t.abi,n._currentContractAddress=t.address,n._currentContractMethodName=t.method,n._currentContractMethodParams=t.params},u=function(t){t.call=function(e){return t._isTransact=!1,t._options=e,t},t.transact=function(e){return t._isTransact=!0,t._options=e,t},t._options={},["gas","gasPrice","value","from"].forEach(function(e){t[e]=function(n){return t._options[e]=n,t}})},s=function(t,e,o){var u=r.inputParser(e),s=r.outputParser(e);i.filterFunctions(e).forEach(function(f){var c=i.extractDisplayName(f.name),l=i.extractTypeName(f.name),p=function(){var i=Array.prototype.slice.call(arguments),p=r.signatureFromAscii(f.name),m=u[c][l].apply(null,i),h=t._options||{};h.to=o,h.data=p+m;var d=t._isTransact===!0||t._isTransact!==!1&&!f.constant,g=h.collapse!==!1;if(t._options={},t._isTransact=null,d)return a({abi:e,address:o,method:f.name,params:i}),void n.eth.transact(h);var v=n.eth.call(h),y=s[c][l](v);return g&&(1===y.length?y=y[0]:0===y.length&&(y=null)),y};void 0===t[c]&&(t[c]=p),t[c][l]=p})},f=function(t,e,n){t.address=n,t._onWatchEventResult=function(t){var n=event.getMatchingEvent(i.filterEvents(e)),r=o.outputParser(n);return r(t)},Object.defineProperty(t,"topic",{get:function(){return i.filterEvents(e).map(function(t){return r.eventSignatureFromAscii(t.name)})}})},c=function(t,e,a){i.filterEvents(e).forEach(function(e){var u=function(){var t=Array.prototype.slice.call(arguments),i=r.eventSignatureFromAscii(e.name),u=o.inputParser(a,i,e),s=u.apply(null,t);return s._onWatchEventResult=function(t){var n=o.outputParser(e);return n(t)},n.eth.watch(s)};u._isEvent=!0;var s=i.extractDisplayName(e.name),f=i.extractTypeName(e.name);void 0===t[s]&&(t[s]=u),t[s][f]=u})},l=function(t,e){e.forEach(function(t){if(-1===t.name.indexOf("(")){var e=t.name,n=t.inputs.map(function(t){return t.type}).join();t.name=e+"("+n+")"}});var n={};return u(n),s(n,e,t),f(n,e,t),c(n,e,t),n};e.exports=l},{"./abi":1,"./event":4,"./utils":12,"./web3":13}],4:[function(t,e){var n=t("./abi"),r=t("./utils"),i=function(t,e){return t.filter(function(t){return t.indexed===e})},o=function(t,e){var n=r.findIndex(t,function(t){return t.name===e});return-1===n?void console.error("indexed param with name "+e+" not found"):t[n]},a=function(t,e){return Object.keys(e).map(function(r){var a=[o(i(t.inputs,!0),r)],u=e[r];return u instanceof Array?u.map(function(t){return n.formatInput(a,[t])}):n.formatInput(a,[u])})},u=function(t,e,n){return function(r,i){var o=i||{};return o.address=t,o.topic=[],o.topic.push(e),r&&(o.topic=o.topic.concat(a(n,r))),o}},s=function(t,e,n){e.slice(),n.slice();return t.reduce(function(t,r){var i;return i=r.indexed?e.splice(0,1)[0]:n.splice(0,1)[0],t[r.name]=i,t},{})},f=function(t){return function(e){var o={event:r.extractDisplayName(t.name),number:e.number,args:{}};if(!e.topic)return o;var a=i(t.inputs,!0),u="0x"+e.topic.slice(1,e.topic.length).map(function(t){return t.slice(2)}).join(""),f=n.formatOutput(a,u),c=i(t.inputs,!1),l=n.formatOutput(c,e.data);return o.args=s(t.inputs,f,l),o}},c=function(t,e){for(var r=0;r<t.length;r++){var i=n.eventSignatureFromAscii(t[r].name);if(i===e.topic[0])return t[r]}return void 0};e.exports={inputParser:u,outputParser:f,getMatchingEvent:c}},{"./abi":1,"./utils":12}],5:[function(t,e){var n=t("./web3"),r=function(t,e){"string"!=typeof t&&(t.topics&&console.warn('"topics" is deprecated, use "topic" instead'),this._onWatchResult=t._onWatchEventResult,t={to:t.to,topic:t.topic,earliest:t.earliest,latest:t.latest,max:t.max,skip:t.skip,address:t.address}),this.impl=e,this.callbacks=[],this.id=e.newFilter(t),n.provider.startPolling({method:e.changed,params:[this.id]},this.id,this.trigger.bind(this))};r.prototype.arrived=function(t){this.changed(t)},r.prototype.happened=function(t){this.changed(t)},r.prototype.changed=function(t){this.callbacks.push(t)},r.prototype.trigger=function(t){for(var e=0;e<this.callbacks.length;e++)for(var n=0;n<t.length;n++){var r=this._onWatchResult?this._onWatchResult(t[n]):t[n];this.callbacks[e].call(this,r)}},r.prototype.uninstall=function(){this.impl.uninstallFilter(this.id),n.provider.stopPolling(this.id)},r.prototype.messages=function(){return this.impl.getMessages(this.id)},r.prototype.logs=function(){return this.messages()},e.exports=r},{"./web3":13}],6:[function(t,e){var n=t("./utils"),r=t("./const"),i=function(t,e,n){return new Array(e-t.length+1).join(n?n:"0")+t},o=function(t){var e=2*r.ETH_PADDING;return t instanceof BigNumber||"number"==typeof t?("number"==typeof t&&(t=new BigNumber(t)),BigNumber.config(r.ETH_BIGNUMBER_ROUNDING_MODE),t=t.round(),t.lessThan(0)&&(t=new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16).plus(t).plus(1)),t=t.toString(16)):t=0===t.indexOf("0x")?t.substr(2):"string"==typeof t?o(new BigNumber(t)):(+t).toString(16),i(t,e)},a=function(t){return n.fromAscii(t,r.ETH_PADDING).substr(2)},u=function(t){return"000000000000000000000000000000000000000000000000000000000000000"+(t?"1":"0")},s=function(t){return o(new BigNumber(t).times(new BigNumber(2).pow(128)))},f=function(t){return"1"===new BigNumber(t.substr(0,1),16).toString(2).substr(0,1)},c=function(t){return t=t||"0",f(t)?new BigNumber(t,16).minus(new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16)).minus(1):new BigNumber(t,16)},l=function(t){return t=t||"0",new BigNumber(t,16)},p=function(t){return c(t).dividedBy(new BigNumber(2).pow(128))},m=function(t){return l(t).dividedBy(new BigNumber(2).pow(128))},h=function(t){return"0x"+t},d=function(t){return"0000000000000000000000000000000000000000000000000000000000000001"===t?!0:!1},g=function(t){return n.toAscii(t)},v=function(t){return"0x"+t.slice(t.length-40,t.length)};e.exports={formatInputInt:o,formatInputString:a,formatInputBool:u,formatInputReal:s,formatOutputInt:c,formatOutputUInt:l,formatOutputReal:p,formatOutputUReal:m,formatOutputHash:h,formatOutputBool:d,formatOutputString:g,formatOutputAddress:v}},{"./const":2,"./utils":12}],7:[function(t,e){var n=function(t){this.handlers=[],this.host=t||"http://localhost:8080"};n.prototype.send=function(t){var e=new XMLHttpRequest;e.open("POST",this.host,!1),e.send(JSON.stringify(t));var n=e.responseText;return JSON.parse(n)},e.exports=n},{}],8:[function(t,e){var n=1,r=function(t,e){return t||console.error("jsonrpc method should be specified!"),{jsonrpc:"2.0",method:t,params:e||[],id:n++}},i=function(t){return!!t&&!t.error&&"2.0"===t.jsonrpc&&"number"==typeof t.id&&void 0!==t.result},o=function(t){return t.map(function(t){return r(t.method,t.params)})};e.exports={toPayload:r,isValidResponse:i,toBatchPayload:o}},{}],9:[function(t,e){var n=(t("./web3"),t("./jsonrpc")),r=function(){this.polls=[],this.provider=void 0;var t=this,e=function(){t.polls.forEach(function(e){var n=t.send(e.data);n instanceof Array&&0!==n.length&&e.callback(n)}),setTimeout(e,1e3)};e()};r.prototype.send=function(t){var e=n.toPayload(t.method,t.params);if(void 0===this.provider)return console.error("provider is not set"),null;var r=this.provider.send(e);return n.isValidResponse(r)?r.result:(console.log(r),null)},r.prototype.set=function(t){this.provider=t},r.prototype.startPolling=function(t,e,n){this.polls.push({data:t,id:e,callback:n})},r.prototype.stopPolling=function(t){for(var e=this.polls.length;e--;){var n=this.polls[e];n.id===t&&this.polls.splice(e,1)}},e.exports=r},{"./jsonrpc":8,"./web3":13}],10:[function(t,e){var n=function(){};n.prototype.send=function(t){var e=navigator.qt.callMethod(JSON.stringify(t));return JSON.parse(e)},e.exports=n},{}],11:[function(t,e){var n=t("./formatters"),r=function(t){return function(e){return 0===e.indexOf(t)}},i=function(t){return function(e){return t===e}},o=function(){return[{type:r("uint"),format:n.formatInputInt},{type:r("int"),format:n.formatInputInt},{type:r("hash"),format:n.formatInputInt},{type:r("string"),format:n.formatInputString},{type:r("real"),format:n.formatInputReal},{type:r("ureal"),format:n.formatInputReal},{type:i("address"),format:n.formatInputInt},{type:i("bool"),format:n.formatInputBool}]},a=function(){return[{type:r("uint"),format:n.formatOutputUInt},{type:r("int"),format:n.formatOutputInt},{type:r("hash"),format:n.formatOutputHash},{type:r("string"),format:n.formatOutputString},{type:r("real"),format:n.formatOutputReal},{type:r("ureal"),format:n.formatOutputUReal},{type:i("address"),format:n.formatOutputAddress},{type:i("bool"),format:n.formatOutputBool}]};e.exports={prefixedType:r,namedType:i,inputTypes:o,outputTypes:a}},{"./formatters":6}],12:[function(t,e){var n=t("./const"),r=function(t,e){for(var n=!1,r=0;r<t.length&&!n;r++)n=e(t[r]);return n?r-1:-1},i=function(t){var e="",n=0,r=t.length;for("0x"===t.substring(0,2)&&(n=2);r>n;n+=2){var i=parseInt(t.substr(n,2),16);if(0===i)break;e+=String.fromCharCode(i)}return e},o=function(t){for(var e="",n=0;n<t.length;n++){var r=t.charCodeAt(n).toString(16);e+=r.length<2?"0"+r:r}return e},a=function(t,e){e=void 0===e?0:e;for(var n=o(t);n.length<2*e;)n+="00";return"0x"+n},u=function(t){var e=t.indexOf("(");return-1!==e?t.substr(0,e):t},s=function(t){var e=t.indexOf("(");return-1!==e?t.substr(e+1,t.length-1-(e+1)).replace(" ",""):""},f=function(t){return t.filter(function(t){return"function"===t.type})},c=function(t){return t.filter(function(t){return"event"===t.type})},l=function(t){for(var e="string"==typeof t?0===t.indexOf("0x")?parseInt(t.substr(2),16):parseInt(t):t,r=0,i=n.ETH_UNITS;e>3e3&&r<i.length-1;)e/=1e3,r++;for(var o=e.toString().length<e.toFixed(2).length?e.toString():e.toFixed(2),a=function(t,e,n){return e+","+n};;){var u=o;if(o=o.replace(/(\d)(\d\d\d[\.\,])/,a),u===o)break}return o+" "+i[r]};e.exports={findIndex:r,toAscii:i,fromAscii:a,extractDisplayName:u,extractTypeName:s,filterFunctions:f,filterEvents:c,toEth:l}},{"./const":2}],13:[function(t,e){var n=t("./utils"),r=function(){return[{name:"sha3",call:"web3_sha3"}]},i=function(){var t=function(t){return"string"==typeof t[0]?"eth_blockByHash":"eth_blockByNumber"},e=function(t){return"string"==typeof t[0]?"eth_transactionByHash":"eth_transactionByNumber"},n=function(t){return"string"==typeof t[0]?"eth_uncleByHash":"eth_uncleByNumber"},r=[{name:"balanceAt",call:"eth_balanceAt"},{name:"stateAt",call:"eth_stateAt"},{name:"storageAt",call:"eth_storageAt"},{name:"countAt",call:"eth_countAt"},{name:"codeAt",call:"eth_codeAt"},{name:"transact",call:"eth_transact"},{name:"call",call:"eth_call"},{name:"block",call:t},{name:"transaction",call:e},{name:"uncle",call:n},{name:"compilers",call:"eth_compilers"},{name:"flush",call:"eth_flush"},{name:"lll",call:"eth_lll"},{name:"solidity",call:"eth_solidity"},{name:"serpent",call:"eth_serpent"},{name:"logs",call:"eth_logs"}];return r},o=function(){return[{name:"coinbase",getter:"eth_coinbase",setter:"eth_setCoinbase"},{name:"listening",getter:"eth_listening",setter:"eth_setListening"},{name:"mining",getter:"eth_mining",setter:"eth_setMining"},{name:"gasPrice",getter:"eth_gasPrice"},{name:"accounts",getter:"eth_accounts"},{name:"peerCount",getter:"eth_peerCount"},{name:"defaultBlock",getter:"eth_defaultBlock",setter:"eth_setDefaultBlock"},{name:"number",getter:"eth_number"}]},a=function(){return[{name:"put",call:"db_put"},{name:"get",call:"db_get"},{name:"putString",call:"db_putString"},{name:"getString",call:"db_getString"}]},u=function(){return[{name:"post",call:"shh_post"},{name:"newIdentity",call:"shh_newIdentity"},{name:"haveIdentity",call:"shh_haveIdentity"},{name:"newGroup",call:"shh_newGroup"},{name:"addToGroup",call:"shh_addToGroup"}]},s=function(){var t=function(t){return"string"==typeof t[0]?"eth_newFilterString":"eth_newFilter"};return[{name:"newFilter",call:t},{name:"uninstallFilter",call:"eth_uninstallFilter"},{name:"getMessages",call:"eth_filterLogs"}]},f=function(){return[{name:"newFilter",call:"shh_newFilter"},{name:"uninstallFilter",call:"shh_uninstallFilter"},{name:"getMessages",call:"shh_getMessages"}]},c=function(t,e){e.forEach(function(e){t[e.name]=function(){var t=Array.prototype.slice.call(arguments),n="function"==typeof e.call?e.call(t):e.call;return p.provider.send({method:n,params:t})}})},l=function(t,e){e.forEach(function(e){var n={};n.get=function(){return p.provider.send({method:e.getter})},e.setter&&(n.set=function(t){return p.provider.send({method:e.setter,params:[t]})}),Object.defineProperty(t,e.name,n)})},p={_callbacks:{},_events:{},providers:{},toAscii:n.toAscii,fromAscii:n.fromAscii,toDecimal:function(t){return t=t.length>2?t.substring(2):"0",new BigNumber(t,16).toString(10)},fromDecimal:function(t){return"0x"+new BigNumber(t).toString(16)},toEth:n.toEth,eth:{contractFromAbi:function(t){return function(e){e=e||"0xc6d9d2cd449a754c494264e1809c50e34d64562b";var n=p.eth.contract(e,t);return n.address=e,n}},watch:function(t,e,n){return t._isEvent?t(e,n):new p.filter(t,m)}},db:{},shh:{watch:function(t){return new p.filter(t,h)}}};c(p,r()),c(p.eth,i()),l(p.eth,o()),c(p.db,a()),c(p.shh,u());var m={changed:"eth_changed"};c(m,s());var h={changed:"shh_changed"};c(h,f()),p.setProvider=function(t){p.provider.set(t)},e.exports=p},{"./utils":12}],web3:[function(t,e){var n=t("./lib/web3"),r=t("./lib/providermanager");n.provider=new r,n.filter=t("./lib/filter"),n.providers.HttpSyncProvider=t("./lib/httpsync"),n.providers.QtSyncProvider=t("./lib/qtsync"),n.eth.contract=t("./lib/contract"),n.abi=t("./lib/abi"),e.exports=n},{"./lib/abi":1,"./lib/contract":3,"./lib/filter":5,"./lib/httpsync":7,"./lib/providermanager":9,"./lib/qtsync":10,"./lib/web3":13}]},{},["web3"]);
\ No newline at end of file
diff --git a/libjsqrc/ethereumjs/lib/providermanager.js b/libjsqrc/ethereumjs/lib/providermanager.js
index 55f166bcd..55b072634 100644
--- a/libjsqrc/ethereumjs/lib/providermanager.js
+++ b/libjsqrc/ethereumjs/lib/providermanager.js
@@ -42,33 +42,16 @@ var ProviderManager = function() {
 
     var self = this;
     var poll = function () {
-        if (self.provider) {
-            var pollsBatch = self.polls.map(function (data) {
-                return data.data;
-            });
+        self.polls.forEach(function (data) {
+            var result = self.send(data.data);
 
-            var payload = jsonrpc.toBatchPayload(pollsBatch);
-            var results = self.provider.send(payload);
+            if (!(result instanceof Array) || result.length === 0) {
+                return;
+            }
 
-            self.polls.forEach(function (data, index) {
-                var result = results[index];
-                
-                if (!jsonrpc.isValidResponse(result)) {
-                    console.log(result);
-                    return;
-                }
+            data.callback(result);
+        });
 
-                result = result.result;
-                // dont call the callback if result is not an array, or empty one
-                if (!(result instanceof Array) || result.length === 0) {
-                    return;
-                }
-
-                data.callback(result);
-
-            });
-
-        }
         setTimeout(poll, 1000);
     };
     poll();
diff --git a/libjsqrc/js.qrc b/libjsqrc/js.qrc
index 50b5e098c..b23aa144d 100644
--- a/libjsqrc/js.qrc
+++ b/libjsqrc/js.qrc
@@ -3,6 +3,5 @@
         <file>bignumber.min.js</file>
         <file>setup.js</file>
         <file alias="webthree.js">ethereumjs/dist/ethereum.js</file>
-        <file>natspec.js</file>
     </qresource>
 </RCC>
diff --git a/liblll/Parser.cpp b/liblll/Parser.cpp
index e94e88e19..df30f3897 100644
--- a/liblll/Parser.cpp
+++ b/liblll/Parser.cpp
@@ -89,8 +89,8 @@ void dev::eth::parseTreeLLL(string const& _s, sp::utree& o_out)
 	using qi::standard::space;
 	using qi::standard::space_type;
 	using dev::eth::parseTreeLLL_::tagNode;
-	typedef sp::basic_string<std::string, sp::utree_type::symbol_type> symbol_type;
-	typedef string::const_iterator it;
+	using symbol_type = sp::basic_string<std::string, sp::utree_type::symbol_type>;
+	using it = string::const_iterator;
 
 	static const u256 ether = u256(1000000000) * 1000000000;
 	static const u256 finney = u256(1000000000) * 1000000;
diff --git a/libnatspec/CMakeLists.txt b/libnatspec/CMakeLists.txt
new file mode 100644
index 000000000..b5bd7903e
--- /dev/null
+++ b/libnatspec/CMakeLists.txt
@@ -0,0 +1,35 @@
+cmake_policy(SET CMP0015 NEW)
+# let cmake autolink dependencies on windows
+cmake_policy(SET CMP0020 NEW)
+# this policy was introduced in cmake 3.0
+# remove if, once 3.0 will be used on unix
+if (${CMAKE_MAJOR_VERSION} GREATER 2)
+	# old policy do not use MACOSX_RPATH
+	cmake_policy(SET CMP0042 OLD)
+	cmake_policy(SET CMP0043 OLD)
+endif()
+set(CMAKE_AUTOMOC OFF)
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+aux_source_directory(. SRC_LIST)
+
+include_directories(..)
+
+set(EXECUTABLE natspec)
+
+file(GLOB HEADERS "*.h")
+
+qt5_add_resources(NATSPECQRC natspec.qrc)
+
+if (ETH_STATIC)
+	add_library(${EXECUTABLE} STATIC ${RESOURCE_ADDED} ${SRC_LIST} ${HEADERS} ${NATSPECQRC})
+else()
+	add_library(${EXECUTABLE} SHARED ${RESOURCE_ADDED} ${SRC_LIST} ${HEADERS} ${NATSPECQRC})
+endif()
+
+target_link_libraries(${EXECUTABLE} Qt5::Core)
+target_link_libraries(${EXECUTABLE} Qt5::Qml)
+target_link_libraries(${EXECUTABLE} devcore)
+
+install( TARGETS ${EXECUTABLE} ARCHIVE DESTINATION lib LIBRARY DESTINATION lib )
+install( FILES ${HEADERS} DESTINATION include/${EXECUTABLE} )
diff --git a/libnatspec/NatspecExpressionEvaluator.cpp b/libnatspec/NatspecExpressionEvaluator.cpp
new file mode 100644
index 000000000..fd8369145
--- /dev/null
+++ b/libnatspec/NatspecExpressionEvaluator.cpp
@@ -0,0 +1,59 @@
+/*
+	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 NatspecExpressionEvaluator.cpp
+ * @author Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+#include <libdevcore/Log.h>
+#include <libdevcore/Exceptions.h>
+#include "NatspecExpressionEvaluator.h"
+
+using namespace std;
+using namespace dev;
+
+static QString contentsOfQResource(string const& _res)
+{
+	QFile file(QString::fromStdString(_res));
+	if (!file.open(QFile::ReadOnly))
+		BOOST_THROW_EXCEPTION(FileError());
+	QTextStream in(&file);
+	return in.readAll();
+}
+
+NatspecExpressionEvaluator::NatspecExpressionEvaluator(QString const& _abi, QString const& _method, QString const& _params)
+{
+	Q_INIT_RESOURCE(natspec);
+	QJSValue result = m_engine.evaluate(contentsOfQResource(":/natspec/natspec.js"));
+	if (result.isError())
+		BOOST_THROW_EXCEPTION(FileError());
+
+	m_engine.evaluate("globals.abi = " + _abi);
+	m_engine.evaluate("globals.method = " + _method);
+	m_engine.evaluate("globals.params = " + _params);
+}
+
+QString NatspecExpressionEvaluator::evalExpression(QString const& _expression)
+{
+	QJSValue result = m_engine.evaluate("evaluateExpression(\"" + _expression + "\")");
+	if (result.isError())
+	{
+		cerr << "Could not evaluate expression: \"" << _expression.toStdString() << "\"" << endl;
+		return _expression;
+	}
+	return result.toString();
+}
diff --git a/libnatspec/NatspecExpressionEvaluator.h b/libnatspec/NatspecExpressionEvaluator.h
new file mode 100644
index 000000000..fc122084e
--- /dev/null
+++ b/libnatspec/NatspecExpressionEvaluator.h
@@ -0,0 +1,49 @@
+/*
+	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 NatspecExpressionEvaluator.h
+ * @author Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+#include <QtCore/QObject>
+#include <QtCore/QtCore>
+#include <QtQml/QJSEngine>
+
+/**
+ * Should be used to evaluate natspec expression.
+ * @see test/natspec.cpp for natspec expression examples
+ */
+class NatspecExpressionEvaluator
+{
+public:
+	/// Construct natspec expression evaluator
+	/// @params abi - contract's abi in json format, passed as string
+	/// @params method - name of the contract's method for which we evaluate the natspec.
+	/// If we want to use raw string, it should be passed with quotation marks eg. "\"helloWorld\""
+	/// If we pass string "helloWorld", the value of the object with name "helloWorld" will be used
+	/// @params params - array of method input params, passed as string, objects in array should be
+	/// javascript valid objects
+	NatspecExpressionEvaluator(QString const& _abi = "[]", QString const& _method = "", QString const& _params = "[]");
+	
+	/// Should be called to evaluate natspec expression
+	/// @params expression - natspec expression
+	/// @returns evaluated natspec expression if it was valid, otherwise original expression
+	QString evalExpression(QString const& _expression);
+	
+private:
+	QJSEngine m_engine;
+};
diff --git a/libjsqrc/natspec.js b/libnatspec/natspec.js
similarity index 65%
rename from libjsqrc/natspec.js
rename to libnatspec/natspec.js
index c8cf07496..ed30b5378 100644
--- a/libjsqrc/natspec.js
+++ b/libnatspec/natspec.js
@@ -2,13 +2,19 @@
 /**
  * This plugin exposes 'evaluateExpression' method which should be used
  * to evaluate natspec description
- * It should be reloaded each time we want to evaluate set of expressions
- * Just because of security reasons
- * TODO: make use of sync api (once it's finished) and remove unnecessary 
- * code from 'getContractMethods'
- * TODO: unify method signature creation with abi.js (and make a separate method from it)
  */
 
+/// Object which should be used by NatspecExpressionEvaluator
+/// abi - abi of the contract that will be used
+/// method - name of the method that is called
+/// params - input params of the method that will be called
+var globals = {
+    abi: [],
+    method: "",
+    params: []
+};
+
+/// Helper method
 /// Should be called to copy values from object to global context
 var copyToContext = function (obj, context) {
     var keys = Object.keys(obj);
@@ -17,32 +23,38 @@ var copyToContext = function (obj, context) {
     });
 }
 
+/// Helper method
+/// Should be called to get method with given name from the abi
+/// @param contract's abi
+/// @param name of the method that we are looking for
+var getMethodWithName = function(abi, name) {
+    for (var i = 0; i < abi.length; i++) {
+        if (abi[i].name === name) {
+            return abi[i];
+        }
+    }
+    //console.warn('could not find method with name: ' + name);
+    return undefined;
+};
+
 /// Function called to get all contract's storage values
 /// @returns hashmap with contract properties which are used
+/// TODO: check if this function will be used
 var getContractProperties = function (address, abi) {
     return {};
 };
 
 /// Function called to get all contract's methods
 /// @returns hashmap with used contract's methods
+/// TODO: check if this function will be used
 var getContractMethods = function (address, abi) {
-    return web3.eth.contract(address, abi);
-};
-
-var getMethodWithName = function(abi, name) {
-    for (var i = 0; i < abi.length; i++) {
-        if (abi[i].name === name) {
-            return abi[i];
-        }
-    }
-    console.warn('could not find method with name: ' + name);
-    return undefined;
+    //return web3.eth.contract(address, abi); // commented out web3 usage
+    return {};
 };
 
 /// Function called to get all contract method input variables
 /// @returns hashmap with all contract's method input variables
-var getContractInputParams = function (abi, methodName, params) {
-    var method = getMethodWithName(abi, methodName);
+var getMethodInputParams = function (method, params) {
     return method.inputs.reduce(function (acc, current, index) {
         acc[current.name] = params[index];
         return acc;
@@ -55,18 +67,15 @@ var getContractInputParams = function (abi, methodName, params) {
 var evaluateExpression = function (expression) {
 
     var self = this;
-    var abi = web3._currentContractAbi;
-    var address = web3._currentContractAddress;
-    var methodName = web3._currentContractMethodName;
-    var params = web3._currentContractMethodParams;
-
-    var storage = getContractProperties(address, abi); 
-    var methods = getContractMethods(address, abi);
-    var inputParams = getContractInputParams(abi, methodName, params);
-
-    copyToContext(storage, self);
-    copyToContext(methods, self);
-    copyToContext(inputParams, self);
+    
+    //var storage = getContractProperties(address, abi); 
+    //var methods = getContractMethods(address, abi);
+    
+    var method = getMethodWithName(globals.abi, globals.method);
+    if (method) {
+        var input = getMethodInputParams(method, globals.params);
+        copyToContext(input, self);
+    }
 
     // TODO: test if it is safe
     var evaluatedExpression = "";
diff --git a/libnatspec/natspec.qrc b/libnatspec/natspec.qrc
new file mode 100644
index 000000000..db125974c
--- /dev/null
+++ b/libnatspec/natspec.qrc
@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/natspec">
+        <file>natspec.js</file>
+    </qresource>
+</RCC>
diff --git a/libp2p/Common.h b/libp2p/Common.h
index d46c5eed1..61df1350f 100644
--- a/libp2p/Common.h
+++ b/libp2p/Common.h
@@ -112,9 +112,9 @@ inline bool isPermanentProblem(DisconnectReason _r)
 /// @returns the string form of the given disconnection reason.
 std::string reasonOf(DisconnectReason _r);
 
-typedef std::pair<std::string, u256> CapDesc;
-typedef std::set<CapDesc> CapDescSet;
-typedef std::vector<CapDesc> CapDescs;
+using CapDesc = std::pair<std::string, u256>;
+using CapDescSet = std::set<CapDesc>;
+using CapDescs = std::vector<CapDesc>;
 
 struct PeerInfo
 {
diff --git a/libsolidity/AST.cpp b/libsolidity/AST.cpp
index dfb677f7e..041b6277d 100644
--- a/libsolidity/AST.cpp
+++ b/libsolidity/AST.cpp
@@ -58,11 +58,19 @@ void ContractDefinition::checkTypeRequirements()
 		BOOST_THROW_EXCEPTION(constructor->getReturnParameterList()->createTypeError(
 									"Non-empty \"returns\" directive for constructor."));
 
-	FunctionDefinition const* fallbackFunction = getFallbackFunction();
-	if (fallbackFunction && fallbackFunction->getScope() == this && !fallbackFunction->getParameters().empty())
-		BOOST_THROW_EXCEPTION(fallbackFunction->getParameterList().createTypeError(
-									"Fallback function cannot take parameters."));
-
+	FunctionDefinition const* fallbackFunction = nullptr;
+	for (ASTPointer<FunctionDefinition> const& function: getDefinedFunctions())
+		if (function->getName().empty())
+		{
+			if (fallbackFunction)
+				BOOST_THROW_EXCEPTION(DeclarationError() << errinfo_comment("Only one fallback function is allowed."));
+			else
+			{
+				fallbackFunction = function.get();
+				if (!fallbackFunction->getParameters().empty())
+					BOOST_THROW_EXCEPTION(fallbackFunction->getParameterList().createTypeError("Fallback function cannot take parameters."));
+			}
+		}
 	for (ASTPointer<ModifierDefinition> const& modifier: getFunctionModifiers())
 		modifier->checkTypeRequirements();
 
@@ -239,7 +247,7 @@ void StructDefinition::checkRecursion() const
 												<< errinfo_comment("Recursive struct definition."));
 		definitionsSeen.insert(def);
 		for (ASTPointer<VariableDeclaration> const& member: def->getMembers())
-			if (member->getType()->getCategory() == Type::Category::STRUCT)
+			if (member->getType()->getCategory() == Type::Category::Struct)
 			{
 				UserDefinedTypeName const& typeName = dynamic_cast<UserDefinedTypeName const&>(*member->getTypeName());
 				queue.push_back(&dynamic_cast<StructDefinition const&>(*typeName.getReferencedDeclaration()));
@@ -271,9 +279,9 @@ string FunctionDefinition::getCanonicalSignature() const
 Declaration::LValueType VariableDeclaration::getLValueType() const
 {
 	if (dynamic_cast<FunctionDefinition const*>(getScope()) || dynamic_cast<ModifierDefinition const*>(getScope()))
-		return Declaration::LValueType::LOCAL;
+		return Declaration::LValueType::Local;
 	else
-		return Declaration::LValueType::STORAGE;
+		return Declaration::LValueType::Storage;
 }
 
 TypePointer ModifierDefinition::getType(ContractDefinition const*) const
@@ -376,13 +384,15 @@ void VariableDefinition::checkTypeRequirements()
 			// no type declared and no previous assignment, infer the type
 			m_value->checkTypeRequirements();
 			TypePointer type = m_value->getType();
-			if (type->getCategory() == Type::Category::INTEGER_CONSTANT)
+			if (type->getCategory() == Type::Category::IntegerConstant)
 			{
 				auto intType = dynamic_pointer_cast<IntegerConstantType const>(type)->getIntegerType();
 				if (!intType)
 					BOOST_THROW_EXCEPTION(m_value->createTypeError("Invalid integer constant " + type->toString()));
 				type = intType;
 			}
+			else if (type->getCategory() == Type::Category::Void)
+				BOOST_THROW_EXCEPTION(m_variable->createTypeError("var cannot be void type"));
 			m_variable->setType(type);
 		}
 	}
@@ -396,7 +406,7 @@ void Assignment::checkTypeRequirements()
 	if (!m_leftHandSide->getType()->isValueType() && !m_leftHandSide->isLocalLValue())
 		BOOST_THROW_EXCEPTION(createTypeError("Assignment to non-local non-value lvalue."));
 	m_type = m_leftHandSide->getType();
-	if (m_assigmentOperator == Token::ASSIGN)
+	if (m_assigmentOperator == Token::Assign)
 		m_rightHandSide->expectType(*m_type);
 	else
 	{
@@ -415,7 +425,7 @@ void Assignment::checkTypeRequirements()
 void ExpressionStatement::checkTypeRequirements()
 {
 	m_expression->checkTypeRequirements();
-	if (m_expression->getType()->getCategory() == Type::Category::INTEGER_CONSTANT)
+	if (m_expression->getType()->getCategory() == Type::Category::IntegerConstant)
 		if (!dynamic_pointer_cast<IntegerConstantType const>(m_expression->getType())->getIntegerType())
 			BOOST_THROW_EXCEPTION(m_expression->createTypeError("Invalid integer constant."));
 }
@@ -439,9 +449,9 @@ void Expression::requireLValue()
 
 void UnaryOperation::checkTypeRequirements()
 {
-	// INC, DEC, ADD, SUB, NOT, BIT_NOT, DELETE
+	// Inc, Dec, Add, Sub, Not, BitNot, Delete
 	m_subExpression->checkTypeRequirements();
-	if (m_operator == Token::Value::INC || m_operator == Token::Value::DEC || m_operator == Token::Value::DELETE)
+	if (m_operator == Token::Value::Inc || m_operator == Token::Value::Dec || m_operator == Token::Value::Delete)
 		m_subExpression->requireLValue();
 	m_type = m_subExpression->getType()->unaryOperatorResult(m_operator);
 	if (!m_type)
@@ -476,7 +486,7 @@ void FunctionCall::checkTypeRequirements()
 		if (m_arguments.size() != 1)
 			BOOST_THROW_EXCEPTION(createTypeError("More than one argument for explicit type conversion."));
 		if (!m_names.empty())
-			BOOST_THROW_EXCEPTION(createTypeError("Type conversion can't allow named arguments."));
+			BOOST_THROW_EXCEPTION(createTypeError("Type conversion cannot allow named arguments."));
 		if (!m_arguments.front()->getType()->isExplicitlyConvertibleTo(*type.getActualType()))
 			BOOST_THROW_EXCEPTION(createTypeError("Explicit type conversion not allowed."));
 		m_type = type.getActualType();
@@ -487,28 +497,30 @@ void FunctionCall::checkTypeRequirements()
 		// and then ask if that is implicitly convertible to the struct represented by the
 		// function parameters
 		TypePointers const& parameterTypes = functionType->getParameterTypes();
-		if (parameterTypes.size() != m_arguments.size())
+		if (!functionType->takesArbitraryParameters() && parameterTypes.size() != m_arguments.size())
 			BOOST_THROW_EXCEPTION(createTypeError("Wrong argument count for function call."));
 
 		if (m_names.empty())
 		{
 			for (size_t i = 0; i < m_arguments.size(); ++i)
-				if (!m_arguments[i]->getType()->isImplicitlyConvertibleTo(*parameterTypes[i]))
-					BOOST_THROW_EXCEPTION(createTypeError("Invalid type for argument in function call."));
+				if (!functionType->takesArbitraryParameters() &&
+						!m_arguments[i]->getType()->isImplicitlyConvertibleTo(*parameterTypes[i]))
+					BOOST_THROW_EXCEPTION(m_arguments[i]->createTypeError("Invalid type for argument in function call."));
 		}
 		else
 		{
+			if (functionType->takesArbitraryParameters())
+				BOOST_THROW_EXCEPTION(createTypeError("Named arguments cannnot be used for functions "
+													  "that take arbitrary parameters."));
 			auto const& parameterNames = functionType->getParameterNames();
 			if (parameterNames.size() != m_names.size())
 				BOOST_THROW_EXCEPTION(createTypeError("Some argument names are missing."));
 
 			// check duplicate names
-			for (size_t i = 0; i < m_names.size(); i++) {
-				for (size_t j = i + 1; j < m_names.size(); j++) {
+			for (size_t i = 0; i < m_names.size(); i++)
+				for (size_t j = i + 1; j < m_names.size(); j++)
 					if (*m_names[i] == *m_names[j])
-						BOOST_THROW_EXCEPTION(createTypeError("Duplicate named argument."));
-				}
-			}
+						BOOST_THROW_EXCEPTION(m_arguments[i]->createTypeError("Duplicate named argument."));
 
 			for (size_t i = 0; i < m_names.size(); i++) {
 				bool found = false;
@@ -523,7 +535,7 @@ void FunctionCall::checkTypeRequirements()
 					}
 				}
 				if (!found)
-					BOOST_THROW_EXCEPTION(createTypeError("Named argument doesn't match function declaration."));
+					BOOST_THROW_EXCEPTION(createTypeError("Named argument does not match function declaration."));
 			}
 		}
 
@@ -540,7 +552,7 @@ void FunctionCall::checkTypeRequirements()
 
 bool FunctionCall::isTypeConversion() const
 {
-	return m_expression->getType()->getCategory() == Type::Category::TYPE;
+	return m_expression->getType()->getCategory() == Type::Category::TypeType;
 }
 
 void NewExpression::checkTypeRequirements()
@@ -552,7 +564,7 @@ void NewExpression::checkTypeRequirements()
 	shared_ptr<ContractType const> contractType = make_shared<ContractType>(*m_contract);
 	TypePointers const& parameterTypes = contractType->getConstructorType()->getParameterTypes();
 	m_type = make_shared<FunctionType>(parameterTypes, TypePointers{contractType},
-									   FunctionType::Location::CREATION);
+									   FunctionType::Location::Creation);
 }
 
 void MemberAccess::checkTypeRequirements()
@@ -564,19 +576,19 @@ void MemberAccess::checkTypeRequirements()
 		BOOST_THROW_EXCEPTION(createTypeError("Member \"" + *m_memberName + "\" not found or not "
 											  "visible in " + type.toString()));
 	//@todo later, this will not always be STORAGE
-	m_lvalue = type.getCategory() == Type::Category::STRUCT ? Declaration::LValueType::STORAGE : Declaration::LValueType::NONE;
+	m_lvalue = type.getCategory() == Type::Category::Struct ? Declaration::LValueType::Storage : Declaration::LValueType::None;
 }
 
 void IndexAccess::checkTypeRequirements()
 {
 	m_base->checkTypeRequirements();
-	if (m_base->getType()->getCategory() != Type::Category::MAPPING)
+	if (m_base->getType()->getCategory() != Type::Category::Mapping)
 		BOOST_THROW_EXCEPTION(m_base->createTypeError("Indexed expression has to be a mapping (is " +
 													  m_base->getType()->toString() + ")"));
 	MappingType const& type = dynamic_cast<MappingType const&>(*m_base->getType());
 	m_index->expectType(*type.getKeyType());
 	m_type = type.getValueType();
-	m_lvalue = Declaration::LValueType::STORAGE;
+	m_lvalue = Declaration::LValueType::Storage;
 }
 
 void Identifier::checkTypeRequirements()
diff --git a/libsolidity/AST.h b/libsolidity/AST.h
old mode 100755
new mode 100644
index 525907bf4..4e79026e8
--- a/libsolidity/AST.h
+++ b/libsolidity/AST.h
@@ -132,17 +132,17 @@ private:
 class Declaration: public ASTNode
 {
 public:
-	enum class LValueType { NONE, LOCAL, STORAGE };
-	enum class Visibility { DEFAULT, PUBLIC, PROTECTED, PRIVATE };
+	enum class LValueType { None, Local, Storage };
+	enum class Visibility { Default, Public, Protected, Private };
 
 	Declaration(Location const& _location, ASTPointer<ASTString> const& _name,
-				Visibility _visibility = Visibility::DEFAULT):
+				Visibility _visibility = Visibility::Default):
 		ASTNode(_location), m_name(_name), m_visibility(_visibility), m_scope(nullptr) {}
 
 	/// @returns the declared name.
 	ASTString const& getName() const { return *m_name; }
-	Visibility getVisibility() const { return m_visibility == Visibility::DEFAULT ? getDefaultVisibility() : m_visibility; }
-	bool isPublic() const { return getVisibility() == Visibility::PUBLIC; }
+	Visibility getVisibility() const { return m_visibility == Visibility::Default ? getDefaultVisibility() : m_visibility; }
+	bool isPublic() const { return getVisibility() == Visibility::Public; }
 
 	/// @returns the scope this declaration resides in. Can be nullptr if it is the global scope.
 	/// Available only after name and type resolution step.
@@ -154,10 +154,10 @@ public:
 	/// contract types.
 	virtual TypePointer getType(ContractDefinition const* m_currentContract = nullptr) const = 0;
 	/// @returns the lvalue type of expressions referencing this declaration
-	virtual LValueType getLValueType() const { return LValueType::NONE; }
+	virtual LValueType getLValueType() const { return LValueType::None; }
 
 protected:
-	virtual Visibility getDefaultVisibility() const { return Visibility::PUBLIC; }
+	virtual Visibility getDefaultVisibility() const { return Visibility::Public; }
 
 private:
 	ASTPointer<ASTString> m_name;
@@ -250,7 +250,7 @@ public:
 
 	/// Returns the constructor or nullptr if no constructor was specified.
 	FunctionDefinition const* getConstructor() const;
-	/// Returns the fallback function or nullptr if no constructor was specified.
+	/// Returns the fallback function or nullptr if no fallback function was specified.
 	FunctionDefinition const* getFallbackFunction() const;
 
 private:
@@ -414,7 +414,7 @@ public:
 	bool isIndexed() const { return m_isIndexed; }
 
 protected:
-	Visibility getDefaultVisibility() const override { return Visibility::PROTECTED; }
+	Visibility getDefaultVisibility() const override { return Visibility::Protected; }
 
 private:
 	ASTPointer<TypeName> m_typeName;    ///< can be empty ("var")
@@ -847,8 +847,8 @@ public:
 	virtual void checkTypeRequirements() = 0;
 
 	std::shared_ptr<Type const> const& getType() const { return m_type; }
-	bool isLValue() const { return m_lvalue != Declaration::LValueType::NONE; }
-	bool isLocalLValue() const { return m_lvalue == Declaration::LValueType::LOCAL; }
+	bool isLValue() const { return m_lvalue != Declaration::LValueType::None; }
+	bool isLocalLValue() const { return m_lvalue == Declaration::LValueType::Local; }
 
 	/// Helper function, infer the type via @ref checkTypeRequirements and then check that it
 	/// is implicitly convertible to @a _expectedType. If not, throw exception.
@@ -865,7 +865,7 @@ protected:
 	std::shared_ptr<Type const> m_type;
 	//! If this expression is an lvalue (i.e. something that can be assigned to) and is stored
 	//! locally or in storage. This is set during calls to @a checkTypeRequirements()
-	Declaration::LValueType m_lvalue = Declaration::LValueType::NONE;
+	Declaration::LValueType m_lvalue = Declaration::LValueType::None;
 	//! Whether the outer expression requested the address (true) or the value (false) of this expression.
 	bool m_lvalueRequested = false;
 };
@@ -1112,13 +1112,23 @@ private:
 };
 
 /**
- * A literal string or number. @see Type::literalToBigEndian is used to actually parse its value.
+ * A literal string or number. @see ExpressionCompiler::endVisit() is used to actually parse its value.
  */
 class Literal: public PrimaryExpression
 {
 public:
-	Literal(Location const& _location, Token::Value _token, ASTPointer<ASTString> const& _value):
-		PrimaryExpression(_location), m_token(_token), m_value(_value) {}
+	enum class SubDenomination
+	{
+		None = Token::Illegal,
+		Wei = Token::SubWei,
+		Szabo = Token::SubSzabo,
+		Finney = Token::SubFinney,
+		Ether = Token::SubEther
+	};
+	Literal(Location const& _location, Token::Value _token,
+			ASTPointer<ASTString> const& _value,
+			SubDenomination _sub = SubDenomination::None):
+		PrimaryExpression(_location), m_token(_token), m_value(_value), m_subDenomination(_sub) {}
 	virtual void accept(ASTVisitor& _visitor) override;
 	virtual void accept(ASTConstVisitor& _visitor) const override;
 	virtual void checkTypeRequirements() override;
@@ -1127,9 +1137,12 @@ public:
 	/// @returns the non-parsed value of the literal
 	ASTString const& getValue() const { return *m_value; }
 
+	SubDenomination getSubDenomination() const { return m_subDenomination; }
+
 private:
 	Token::Value m_token;
 	ASTPointer<ASTString> m_value;
+	SubDenomination m_subDenomination;
 };
 
 /// @}
diff --git a/libsolidity/ASTJsonConverter.cpp b/libsolidity/ASTJsonConverter.cpp
index d9332990d..a216a59ac 100644
--- a/libsolidity/ASTJsonConverter.cpp
+++ b/libsolidity/ASTJsonConverter.cpp
@@ -118,7 +118,7 @@ bool ASTJsonConverter::visit(FunctionDefinition const& _node)
 
 bool ASTJsonConverter::visit(VariableDeclaration const& _node)
 {
-	bool isLocalVariable = (_node.getLValueType() == VariableDeclaration::LValueType::LOCAL);
+	bool isLocalVariable = (_node.getLValueType() == VariableDeclaration::LValueType::Local);
 	addJsonNode("VariableDeclaration",
 				{   make_pair("name", _node.getName()),
 					make_pair("local", boost::lexical_cast<std::string>(isLocalVariable))},
diff --git a/libsolidity/Compiler.cpp b/libsolidity/Compiler.cpp
index 389f826b7..b36153677 100644
--- a/libsolidity/Compiler.cpp
+++ b/libsolidity/Compiler.cpp
@@ -189,7 +189,7 @@ unsigned Compiler::appendCalldataUnpacker(TypePointers const& _typeParameters, b
 		if (c_numBytes > 32)
 			BOOST_THROW_EXCEPTION(CompilerError()
 								  << errinfo_comment("Type " + type->toString() + " not yet supported."));
-		bool const c_leftAligned = type->getCategory() == Type::Category::STRING;
+		bool const c_leftAligned = type->getCategory() == Type::Category::String;
 		bool const c_padToWords = true;
 		dataOffset += CompilerUtils(m_context).loadFromMemory(dataOffset, c_numBytes, c_leftAligned,
 															  !_fromMemory, c_padToWords);
@@ -213,7 +213,7 @@ void Compiler::appendReturnValuePacker(TypePointers const& _typeParameters)
 								  << errinfo_comment("Type " + type->toString() + " not yet supported."));
 		CompilerUtils(m_context).copyToStackTop(stackDepth, *type);
 		ExpressionCompiler::appendTypeConversion(m_context, *type, *type, true);
-		bool const c_leftAligned = type->getCategory() == Type::Category::STRING;
+		bool const c_leftAligned = type->getCategory() == Type::Category::String;
 		bool const c_padToWords = true;
 		dataOffset += CompilerUtils(m_context).storeInMemory(dataOffset, numBytes, c_leftAligned, c_padToWords);
 		stackDepth -= type->getSizeOnStack();
diff --git a/libsolidity/CompilerStack.cpp b/libsolidity/CompilerStack.cpp
index 2d77bc0a4..762edb521 100644
--- a/libsolidity/CompilerStack.cpp
+++ b/libsolidity/CompilerStack.cpp
@@ -227,12 +227,12 @@ void CompilerStack::streamAssembly(ostream& _outStream, string const& _contractN
 
 string const& CompilerStack::getInterface(string const& _contractName) const
 {
-	return getMetadata(_contractName, DocumentationType::ABI_INTERFACE);
+	return getMetadata(_contractName, DocumentationType::ABIInterface);
 }
 
 string const& CompilerStack::getSolidityInterface(string const& _contractName) const
 {
-	return getMetadata(_contractName, DocumentationType::ABI_SOLIDITY_INTERFACE);
+	return getMetadata(_contractName, DocumentationType::ABISolidityInterface);
 }
 
 string const& CompilerStack::getMetadata(string const& _contractName, DocumentationType _type) const
@@ -245,16 +245,16 @@ string const& CompilerStack::getMetadata(string const& _contractName, Documentat
 	std::unique_ptr<string const>* doc;
 	switch (_type)
 	{
-	case DocumentationType::NATSPEC_USER:
+	case DocumentationType::NatspecUser:
 		doc = &contract.userDocumentation;
 		break;
-	case DocumentationType::NATSPEC_DEV:
+	case DocumentationType::NatspecDev:
 		doc = &contract.devDocumentation;
 		break;
-	case DocumentationType::ABI_INTERFACE:
+	case DocumentationType::ABIInterface:
 		doc = &contract.interface;
 		break;
-	case DocumentationType::ABI_SOLIDITY_INTERFACE:
+	case DocumentationType::ABISolidityInterface:
 		doc = &contract.solidityInterface;
 		break;
 	default:
diff --git a/libsolidity/CompilerStack.h b/libsolidity/CompilerStack.h
index a6c3df8ee..439077f36 100644
--- a/libsolidity/CompilerStack.h
+++ b/libsolidity/CompilerStack.h
@@ -43,10 +43,10 @@ class InterfaceHandler;
 
 enum class DocumentationType: uint8_t
 {
-	NATSPEC_USER = 1,
-	NATSPEC_DEV,
-	ABI_INTERFACE,
-	ABI_SOLIDITY_INTERFACE
+	NatspecUser = 1,
+	NatspecDev,
+	ABIInterface,
+	ABISolidityInterface
 };
 
 extern const std::map<std::string, std::string> StandardSources;
diff --git a/libsolidity/DeclarationContainer.cpp b/libsolidity/DeclarationContainer.cpp
index c7081bc78..2e810a4cf 100644
--- a/libsolidity/DeclarationContainer.cpp
+++ b/libsolidity/DeclarationContainer.cpp
@@ -30,6 +30,9 @@ namespace solidity
 
 bool DeclarationContainer::registerDeclaration(Declaration const& _declaration, bool _update)
 {
+	if (_declaration.getName().empty())
+		return true;
+
 	if (!_update && m_declarations.find(_declaration.getName()) != m_declarations.end())
 		return false;
 	m_declarations[_declaration.getName()] = &_declaration;
@@ -38,6 +41,7 @@ bool DeclarationContainer::registerDeclaration(Declaration const& _declaration,
 
 Declaration const* DeclarationContainer::resolveName(ASTString const& _name, bool _recursive) const
 {
+	solAssert(!_name.empty(), "Attempt to resolve empty name.");
 	auto result = m_declarations.find(_name);
 	if (result != m_declarations.end())
 		return result->second;
diff --git a/libsolidity/DeclarationContainer.h b/libsolidity/DeclarationContainer.h
index e4b793259..1216fcef2 100644
--- a/libsolidity/DeclarationContainer.h
+++ b/libsolidity/DeclarationContainer.h
@@ -42,8 +42,8 @@ public:
 	explicit DeclarationContainer(Declaration const* _enclosingDeclaration = nullptr,
 								  DeclarationContainer const* _enclosingContainer = nullptr):
 		m_enclosingDeclaration(_enclosingDeclaration), m_enclosingContainer(_enclosingContainer) {}
-	/// Registers the declaration in the scope unless its name is already declared.
-	/// @returns true iff it was not yet declared.
+	/// Registers the declaration in the scope unless its name is already declared or the name is empty.
+	/// @returns false if the name was already declared.
 	bool registerDeclaration(Declaration const& _declaration, bool _update = false);
 	Declaration const* resolveName(ASTString const& _name, bool _recursive = false) const;
 	Declaration const* getEnclosingDeclaration() const { return m_enclosingDeclaration; }
diff --git a/libsolidity/Exceptions.h b/libsolidity/Exceptions.h
index 14f919772..0b25abee1 100644
--- a/libsolidity/Exceptions.h
+++ b/libsolidity/Exceptions.h
@@ -38,7 +38,7 @@ struct CompilerError: virtual Exception {};
 struct InternalCompilerError: virtual Exception {};
 struct DocstringParsingError: virtual Exception {};
 
-typedef boost::error_info<struct tag_sourceLocation, Location> errinfo_sourceLocation;
+using errinfo_sourceLocation = boost::error_info<struct tag_sourceLocation, Location>;
 
 }
 }
diff --git a/libsolidity/ExpressionCompiler.cpp b/libsolidity/ExpressionCompiler.cpp
index 875e00bc2..1d3f23e69 100644
--- a/libsolidity/ExpressionCompiler.cpp
+++ b/libsolidity/ExpressionCompiler.cpp
@@ -64,7 +64,7 @@ bool ExpressionCompiler::visit(Assignment const& _assignment)
 	solAssert(m_currentLValue.isValid(), "LValue not retrieved.");
 
 	Token::Value op = _assignment.getAssignmentOperator();
-	if (op != Token::ASSIGN) // compound assignment
+	if (op != Token::Assign) // compound assignment
 	{
 		if (m_currentLValue.storesReferenceOnStack())
 			m_context << eth::Instruction::SWAP1 << eth::Instruction::DUP2;
@@ -85,7 +85,7 @@ bool ExpressionCompiler::visit(UnaryOperation const& _unaryOperation)
 	// the operator should know how to convert itself and to which types it applies, so
 	// put this code together with "Type::acceptsBinary/UnaryOperator" into a class that
 	// represents the operator
-	if (_unaryOperation.getType()->getCategory() == Type::Category::INTEGER_CONSTANT)
+	if (_unaryOperation.getType()->getCategory() == Type::Category::IntegerConstant)
 	{
 		m_context << _unaryOperation.getType()->literalValue(nullptr);
 		return false;
@@ -95,19 +95,19 @@ bool ExpressionCompiler::visit(UnaryOperation const& _unaryOperation)
 
 	switch (_unaryOperation.getOperator())
 	{
-	case Token::NOT: // !
+	case Token::Not: // !
 		m_context << eth::Instruction::ISZERO;
 		break;
-	case Token::BIT_NOT: // ~
+	case Token::BitNot: // ~
 		m_context << eth::Instruction::NOT;
 		break;
-	case Token::DELETE: // delete
+	case Token::Delete: // delete
 		solAssert(m_currentLValue.isValid(), "LValue not retrieved.");
 		m_currentLValue.setToZero(_unaryOperation);
 		m_currentLValue.reset();
 		break;
-	case Token::INC: // ++ (pre- or postfix)
-	case Token::DEC: // -- (pre- or postfix)
+	case Token::Inc: // ++ (pre- or postfix)
+	case Token::Dec: // -- (pre- or postfix)
 		solAssert(m_currentLValue.isValid(), "LValue not retrieved.");
 		m_currentLValue.retrieveValue(_unaryOperation.getType(), _unaryOperation.getLocation());
 		if (!_unaryOperation.isPrefixOperation())
@@ -118,7 +118,7 @@ bool ExpressionCompiler::visit(UnaryOperation const& _unaryOperation)
 				m_context << eth::Instruction::DUP1;
 		}
 		m_context << u256(1);
-		if (_unaryOperation.getOperator() == Token::INC)
+		if (_unaryOperation.getOperator() == Token::Inc)
 			m_context << eth::Instruction::ADD;
 		else
 			m_context << eth::Instruction::SWAP1 << eth::Instruction::SUB; // @todo avoid the swap
@@ -129,10 +129,10 @@ bool ExpressionCompiler::visit(UnaryOperation const& _unaryOperation)
 		m_currentLValue.storeValue(_unaryOperation, !_unaryOperation.isPrefixOperation());
 		m_currentLValue.reset();
 		break;
-	case Token::ADD: // +
+	case Token::Add: // +
 		// unary add, so basically no-op
 		break;
-	case Token::SUB: // -
+	case Token::Sub: // -
 		m_context << u256(0) << eth::Instruction::SUB;
 		break;
 	default:
@@ -149,19 +149,19 @@ bool ExpressionCompiler::visit(BinaryOperation const& _binaryOperation)
 	Type const& commonType = _binaryOperation.getCommonType();
 	Token::Value const c_op = _binaryOperation.getOperator();
 
-	if (c_op == Token::AND || c_op == Token::OR) // special case: short-circuiting
+	if (c_op == Token::And || c_op == Token::Or) // special case: short-circuiting
 		appendAndOrOperatorCode(_binaryOperation);
-	else if (commonType.getCategory() == Type::Category::INTEGER_CONSTANT)
+	else if (commonType.getCategory() == Type::Category::IntegerConstant)
 		m_context << commonType.literalValue(nullptr);
 	else
 	{
-		bool cleanupNeeded = commonType.getCategory() == Type::Category::INTEGER &&
-								(Token::isCompareOp(c_op) || c_op == Token::DIV || c_op == Token::MOD);
+		bool cleanupNeeded = commonType.getCategory() == Type::Category::Integer &&
+								(Token::isCompareOp(c_op) || c_op == Token::Div || c_op == Token::Mod);
 
 		// for commutative operators, push the literal as late as possible to allow improved optimization
 		auto isLiteral = [](Expression const& _e)
 		{
-			return dynamic_cast<Literal const*>(&_e) || _e.getType()->getCategory() == Type::Category::INTEGER_CONSTANT;
+			return dynamic_cast<Literal const*>(&_e) || _e.getType()->getCategory() == Type::Category::IntegerConstant;
 		};
 		bool swap = m_optimize && Token::isCommutativeOp(c_op) && isLiteral(rightExpression) && !isLiteral(leftExpression);
 		if (swap)
@@ -206,7 +206,8 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 		TypePointers const& parameterTypes = function.getParameterTypes();
 		vector<ASTPointer<Expression const>> const& callArguments = _functionCall.getArguments();
 		vector<ASTPointer<ASTString>> const& callArgumentNames = _functionCall.getNames();
-		solAssert(callArguments.size() == parameterTypes.size(), "");
+		if (!function.takesArbitraryParameters())
+			solAssert(callArguments.size() == parameterTypes.size(), "");
 
 		vector<ASTPointer<Expression const>> arguments;
 		if (callArgumentNames.empty())
@@ -226,7 +227,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 
 		switch (function.getLocation())
 		{
-		case Location::INTERNAL:
+		case Location::Internal:
 		{
 			// Calling convention: Caller pushes return address and arguments
 			// Callee removes them and pushes return values
@@ -252,12 +253,12 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 				CompilerUtils(m_context).popStackElement(*function.getReturnParameterTypes()[i]);
 			break;
 		}
-		case Location::EXTERNAL:
-		case Location::BARE:
+		case Location::External:
+		case Location::Bare:
 			_functionCall.getExpression().accept(*this);
-			appendExternalFunctionCall(function, arguments, function.getLocation() == Location::BARE);
+			appendExternalFunctionCall(function, arguments, function.getLocation() == Location::Bare);
 			break;
-		case Location::CREATION:
+		case Location::Creation:
 		{
 			_functionCall.getExpression().accept(*this);
 			solAssert(!function.gasSet(), "Gas limit set for contract creation.");
@@ -274,7 +275,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 			m_context << u256(0) << eth::Instruction::CODECOPY;
 
 			unsigned length = bytecode.size();
-			length += appendArgumentCopyToMemory(function.getParameterTypes(), arguments, length);
+			length += appendArgumentsCopyToMemory(arguments, function.getParameterTypes(), length);
 			// size, offset, endowment
 			m_context << u256(length) << u256(0);
 			if (function.valueSet())
@@ -286,7 +287,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 				m_context << eth::swapInstruction(1) << eth::Instruction::POP;
 			break;
 		}
-		case Location::SET_GAS:
+		case Location::SetGas:
 		{
 			// stack layout: contract_address function_id [gas] [value]
 			_functionCall.getExpression().accept(*this);
@@ -301,7 +302,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 				m_context << eth::Instruction::POP;
 			break;
 		}
-		case Location::SET_VALUE:
+		case Location::SetValue:
 			// stack layout: contract_address function_id [gas] [value]
 			_functionCall.getExpression().accept(*this);
 			// Note that function is not the original function, but the ".value" function.
@@ -310,31 +311,33 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 				m_context << eth::Instruction::POP;
 			arguments.front()->accept(*this);
 			break;
-		case Location::SEND:
+		case Location::Send:
 			_functionCall.getExpression().accept(*this);
 			m_context << u256(0); // 0 gas, we do not want to execute code
 			arguments.front()->accept(*this);
 			appendTypeConversion(*arguments.front()->getType(),
 								 *function.getParameterTypes().front(), true);
 			appendExternalFunctionCall(FunctionType(TypePointers{}, TypePointers{},
-													Location::EXTERNAL, true, true), {}, true);
+													Location::External, false, true, true), {}, true);
 			break;
-		case Location::SUICIDE:
+		case Location::Suicide:
 			arguments.front()->accept(*this);
 			appendTypeConversion(*arguments.front()->getType(), *function.getParameterTypes().front(), true);
 			m_context << eth::Instruction::SUICIDE;
 			break;
 		case Location::SHA3:
-			appendExpressionCopyToMemory(*function.getParameterTypes().front(), *arguments.front());
-			m_context << u256(32) << u256(0) << eth::Instruction::SHA3;
+		{
+			unsigned length = appendArgumentsCopyToMemory(arguments, TypePointers(), 0, function.padArguments());
+			m_context << u256(length) << u256(0) << eth::Instruction::SHA3;
 			break;
-		case Location::LOG0:
-		case Location::LOG1:
-		case Location::LOG2:
-		case Location::LOG3:
-		case Location::LOG4:
+		}
+		case Location::Log0:
+		case Location::Log1:
+		case Location::Log2:
+		case Location::Log3:
+		case Location::Log4:
 		{
-			unsigned logNumber = int(function.getLocation()) - int(Location::LOG0);
+			unsigned logNumber = int(function.getLocation()) - int(Location::Log0);
 			for (unsigned arg = logNumber; arg > 0; --arg)
 			{
 				arguments[arg]->accept(*this);
@@ -346,7 +349,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 			m_context << u256(length) << u256(0) << eth::logInstruction(logNumber);
 			break;
 		}
-		case Location::EVENT:
+		case Location::Event:
 		{
 			_functionCall.getExpression().accept(*this);
 			auto const& event = dynamic_cast<EventDefinition const&>(function.getDeclaration());
@@ -372,18 +375,18 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 			m_context << u256(memLength) << u256(0) << eth::logInstruction(numIndexed);
 			break;
 		}
-		case Location::BLOCKHASH:
+		case Location::BlockHash:
 		{
 			arguments[0]->accept(*this);
 			appendTypeConversion(*arguments[0]->getType(), *function.getParameterTypes()[0], true);
 			m_context << eth::Instruction::BLOCKHASH;
 			break;
 		}
-		case Location::ECRECOVER:
+		case Location::ECRecover:
 		case Location::SHA256:
 		case Location::RIPEMD160:
 		{
-			static const map<Location, u256> contractAddresses{{Location::ECRECOVER, 1},
+			static const map<Location, u256> contractAddresses{{Location::ECRecover, 1},
 															   {Location::SHA256, 2},
 															   {Location::RIPEMD160, 3}};
 			m_context << contractAddresses.find(function.getLocation())->second;
@@ -408,7 +411,7 @@ void ExpressionCompiler::endVisit(MemberAccess const& _memberAccess)
 	ASTString const& member = _memberAccess.getMemberName();
 	switch (_memberAccess.getExpression().getType()->getCategory())
 	{
-	case Type::Category::CONTRACT:
+	case Type::Category::Contract:
 	{
 		bool alsoSearchInteger = false;
 		ContractType const& type = dynamic_cast<ContractType const&>(*_memberAccess.getExpression().getType());
@@ -420,7 +423,7 @@ void ExpressionCompiler::endVisit(MemberAccess const& _memberAccess)
 			u256 identifier = type.getFunctionIdentifier(member);
 			if (identifier != Invalid256)
 			{
-				appendTypeConversion(type, IntegerType(0, IntegerType::Modifier::ADDRESS), true);
+				appendTypeConversion(type, IntegerType(0, IntegerType::Modifier::Address), true);
 				m_context << identifier;
 			}
 			else
@@ -430,24 +433,24 @@ void ExpressionCompiler::endVisit(MemberAccess const& _memberAccess)
 		if (!alsoSearchInteger)
 			break;
 	}
-	case Type::Category::INTEGER:
+	case Type::Category::Integer:
 		if (member == "balance")
 		{
 			appendTypeConversion(*_memberAccess.getExpression().getType(),
-								 IntegerType(0, IntegerType::Modifier::ADDRESS), true);
+								 IntegerType(0, IntegerType::Modifier::Address), true);
 			m_context << eth::Instruction::BALANCE;
 		}
 		else if (member == "send" || member.substr(0, min<size_t>(member.size(), 4)) == "call")
 			appendTypeConversion(*_memberAccess.getExpression().getType(),
-								 IntegerType(0, IntegerType::Modifier::ADDRESS), true);
+								 IntegerType(0, IntegerType::Modifier::Address), true);
 		else
 			BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Invalid member access to integer."));
 		break;
-	case Type::Category::FUNCTION:
+	case Type::Category::Function:
 		solAssert(!!_memberAccess.getExpression().getType()->getMemberType(member),
 				 "Invalid member access to function.");
 		break;
-	case Type::Category::MAGIC:
+	case Type::Category::Magic:
 		// we can ignore the kind of magic and only look at the name of the member
 		if (member == "coinbase")
 			m_context << eth::Instruction::COINBASE;
@@ -472,15 +475,15 @@ void ExpressionCompiler::endVisit(MemberAccess const& _memberAccess)
 		else
 			BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Unknown magic member."));
 		break;
-	case Type::Category::STRUCT:
+	case Type::Category::Struct:
 	{
 		StructType const& type = dynamic_cast<StructType const&>(*_memberAccess.getExpression().getType());
 		m_context << type.getStorageOffsetOfMember(member) << eth::Instruction::ADD;
-		m_currentLValue = LValue(m_context, LValue::STORAGE, *_memberAccess.getType());
+		m_currentLValue = LValue(m_context, LValue::LValueType::Storage, *_memberAccess.getType());
 		m_currentLValue.retrieveValueIfLValueNotRequested(_memberAccess);
 		break;
 	}
-	case Type::Category::TYPE:
+	case Type::Category::TypeType:
 	{
 		TypeType const& type = dynamic_cast<TypeType const&>(*_memberAccess.getExpression().getType());
 		if (type.getMembers().getMemberType(member))
@@ -512,7 +515,7 @@ bool ExpressionCompiler::visit(IndexAccess const& _indexAccess)
 	length += CompilerUtils(m_context).storeInMemory(length);
 	m_context << u256(length) << u256(0) << eth::Instruction::SHA3;
 
-	m_currentLValue = LValue(m_context, LValue::STORAGE, *_indexAccess.getType());
+	m_currentLValue = LValue(m_context, LValue::LValueType::Storage, *_indexAccess.getType());
 	m_currentLValue.retrieveValueIfLValueNotRequested(_indexAccess);
 
 	return false;
@@ -523,7 +526,7 @@ void ExpressionCompiler::endVisit(Identifier const& _identifier)
 	Declaration const* declaration = _identifier.getReferencedDeclaration();
 	if (MagicVariableDeclaration const* magicVar = dynamic_cast<MagicVariableDeclaration const*>(declaration))
 	{
-		if (magicVar->getType()->getCategory() == Type::Category::CONTRACT)
+		if (magicVar->getType()->getCategory() == Type::Category::Contract)
 			// "this" or "super"
 			if (!dynamic_cast<ContractType const&>(*magicVar->getType()).isSuper())
 				m_context << eth::Instruction::ADDRESS;
@@ -553,9 +556,9 @@ void ExpressionCompiler::endVisit(Literal const& _literal)
 {
 	switch (_literal.getType()->getCategory())
 	{
-	case Type::Category::INTEGER_CONSTANT:
-	case Type::Category::BOOL:
-	case Type::Category::STRING:
+	case Type::Category::IntegerConstant:
+	case Type::Category::Bool:
+	case Type::Category::String:
 		m_context << _literal.getType()->literalValue(&_literal);
 		break;
 	default:
@@ -566,11 +569,11 @@ void ExpressionCompiler::endVisit(Literal const& _literal)
 void ExpressionCompiler::appendAndOrOperatorCode(BinaryOperation const& _binaryOperation)
 {
 	Token::Value const c_op = _binaryOperation.getOperator();
-	solAssert(c_op == Token::OR || c_op == Token::AND, "");
+	solAssert(c_op == Token::Or || c_op == Token::And, "");
 
 	_binaryOperation.getLeftExpression().accept(*this);
 	m_context << eth::Instruction::DUP1;
-	if (c_op == Token::AND)
+	if (c_op == Token::And)
 		m_context << eth::Instruction::ISZERO;
 	eth::AssemblyItem endLabel = m_context.appendConditionalJump();
 	m_context << eth::Instruction::POP;
@@ -580,10 +583,10 @@ void ExpressionCompiler::appendAndOrOperatorCode(BinaryOperation const& _binaryO
 
 void ExpressionCompiler::appendCompareOperatorCode(Token::Value _operator, Type const& _type)
 {
-	if (_operator == Token::EQ || _operator == Token::NE)
+	if (_operator == Token::Equal || _operator == Token::NotEqual)
 	{
 		m_context << eth::Instruction::EQ;
-		if (_operator == Token::NE)
+		if (_operator == Token::NotEqual)
 			m_context << eth::Instruction::ISZERO;
 	}
 	else
@@ -593,18 +596,18 @@ void ExpressionCompiler::appendCompareOperatorCode(Token::Value _operator, Type
 
 		switch (_operator)
 		{
-		case Token::GTE:
+		case Token::GreaterThanOrEqual:
 			m_context << (c_isSigned ? eth::Instruction::SLT : eth::Instruction::LT)
 					  << eth::Instruction::ISZERO;
 			break;
-		case Token::LTE:
+		case Token::LessThanOrEqual:
 			m_context << (c_isSigned ? eth::Instruction::SGT : eth::Instruction::GT)
 					  << eth::Instruction::ISZERO;
 			break;
-		case Token::GT:
+		case Token::GreaterThan:
 			m_context << (c_isSigned ? eth::Instruction::SGT : eth::Instruction::GT);
 			break;
-		case Token::LT:
+		case Token::LessThan:
 			m_context << (c_isSigned ? eth::Instruction::SLT : eth::Instruction::LT);
 			break;
 		default:
@@ -632,19 +635,19 @@ void ExpressionCompiler::appendArithmeticOperatorCode(Token::Value _operator, Ty
 
 	switch (_operator)
 	{
-	case Token::ADD:
+	case Token::Add:
 		m_context << eth::Instruction::ADD;
 		break;
-	case Token::SUB:
+	case Token::Sub:
 		m_context << eth::Instruction::SUB;
 		break;
-	case Token::MUL:
+	case Token::Mul:
 		m_context << eth::Instruction::MUL;
 		break;
-	case Token::DIV:
+	case Token::Div:
 		m_context  << (c_isSigned ? eth::Instruction::SDIV : eth::Instruction::DIV);
 		break;
-	case Token::MOD:
+	case Token::Mod:
 		m_context << (c_isSigned ? eth::Instruction::SMOD : eth::Instruction::MOD);
 		break;
 	default:
@@ -656,13 +659,13 @@ void ExpressionCompiler::appendBitOperatorCode(Token::Value _operator)
 {
 	switch (_operator)
 	{
-	case Token::BIT_OR:
+	case Token::BitOr:
 		m_context << eth::Instruction::OR;
 		break;
-	case Token::BIT_AND:
+	case Token::BitAnd:
 		m_context << eth::Instruction::AND;
 		break;
-	case Token::BIT_XOR:
+	case Token::BitXor:
 		m_context << eth::Instruction::XOR;
 		break;
 	default:
@@ -695,29 +698,38 @@ void ExpressionCompiler::appendTypeConversion(Type const& _typeOnStack, Type con
 	Type::Category stackTypeCategory = _typeOnStack.getCategory();
 	Type::Category targetTypeCategory = _targetType.getCategory();
 
-	if (stackTypeCategory == Type::Category::STRING)
+	if (stackTypeCategory == Type::Category::String)
 	{
-		if (targetTypeCategory == Type::Category::INTEGER)
+		StaticStringType const& typeOnStack = dynamic_cast<StaticStringType const&>(_typeOnStack);
+		if (targetTypeCategory == Type::Category::Integer)
 		{
 			// conversion from string to hash. no need to clean the high bit
 			// only to shift right because of opposite alignment
 			IntegerType const& targetIntegerType = dynamic_cast<IntegerType const&>(_targetType);
-			StaticStringType const& typeOnStack = dynamic_cast<StaticStringType const&>(_typeOnStack);
 			solAssert(targetIntegerType.isHash(), "Only conversion between String and Hash is allowed.");
 			solAssert(targetIntegerType.getNumBits() == typeOnStack.getNumBytes() * 8, "The size should be the same.");
 			m_context << (u256(1) << (256 - typeOnStack.getNumBytes() * 8)) << eth::Instruction::SWAP1 << eth::Instruction::DIV;
 		}
 		else
 		{
-			solAssert(targetTypeCategory == Type::Category::STRING, "Invalid type conversion requested.");
-			// nothing to do, strings are high-order-bit-aligned
-			//@todo clear lower-order bytes if we allow explicit conversion to shorter strings
+			// clear lower-order bytes for conversion to shorter strings - we always clean
+			solAssert(targetTypeCategory == Type::Category::String, "Invalid type conversion requested.");
+			StaticStringType const& targetType = dynamic_cast<StaticStringType const&>(_targetType);
+			if (targetType.getNumBytes() < typeOnStack.getNumBytes())
+			{
+				if (targetType.getNumBytes() == 0)
+					m_context << eth::Instruction::DUP1 << eth::Instruction::XOR;
+				else
+					m_context << (u256(1) << (256 - targetType.getNumBytes() * 8))
+							  << eth::Instruction::DUP1 << eth::Instruction::SWAP2
+							  << eth::Instruction::DIV << eth::Instruction::MUL;
+			}
 		}
 	}
-	else if (stackTypeCategory == Type::Category::INTEGER || stackTypeCategory == Type::Category::CONTRACT ||
-			 stackTypeCategory == Type::Category::INTEGER_CONSTANT)
+	else if (stackTypeCategory == Type::Category::Integer || stackTypeCategory == Type::Category::Contract ||
+			 stackTypeCategory == Type::Category::IntegerConstant)
 	{
-		if (targetTypeCategory == Type::Category::STRING && stackTypeCategory == Type::Category::INTEGER)
+		if (targetTypeCategory == Type::Category::String && stackTypeCategory == Type::Category::Integer)
 		{
 			// conversion from hash to string. no need to clean the high bit
 			// only to shift left because of opposite alignment
@@ -729,11 +741,11 @@ void ExpressionCompiler::appendTypeConversion(Type const& _typeOnStack, Type con
 		}
 		else
 		{
-			solAssert(targetTypeCategory == Type::Category::INTEGER || targetTypeCategory == Type::Category::CONTRACT, "");
-			IntegerType addressType(0, IntegerType::Modifier::ADDRESS);
-			IntegerType const& targetType = targetTypeCategory == Type::Category::INTEGER
+			solAssert(targetTypeCategory == Type::Category::Integer || targetTypeCategory == Type::Category::Contract, "");
+			IntegerType addressType(0, IntegerType::Modifier::Address);
+			IntegerType const& targetType = targetTypeCategory == Type::Category::Integer
 											? dynamic_cast<IntegerType const&>(_targetType) : addressType;
-			if (stackTypeCategory == Type::Category::INTEGER_CONSTANT)
+			if (stackTypeCategory == Type::Category::IntegerConstant)
 			{
 				IntegerConstantType const& constType = dynamic_cast<IntegerConstantType const&>(_typeOnStack);
 				// We know that the stack is clean, we only have to clean for a narrowing conversion
@@ -743,7 +755,7 @@ void ExpressionCompiler::appendTypeConversion(Type const& _typeOnStack, Type con
 			}
 			else
 			{
-				IntegerType const& typeOnStack = stackTypeCategory == Type::Category::INTEGER
+				IntegerType const& typeOnStack = stackTypeCategory == Type::Category::Integer
 												? dynamic_cast<IntegerType const&>(_typeOnStack) : addressType;
 				// Widening: clean up according to source type width
 				// Non-widening and force: clean up according to target type bits
@@ -773,7 +785,8 @@ void ExpressionCompiler::appendExternalFunctionCall(FunctionType const& _functio
 													vector<ASTPointer<Expression const>> const& _arguments,
 													bool bare)
 {
-	solAssert(_arguments.size() == _functionType.getParameterTypes().size(), "");
+	solAssert(_functionType.takesArbitraryParameters() ||
+			  _arguments.size() == _functionType.getParameterTypes().size(), "");
 
 	// Assumed stack content here:
 	// <stack top>
@@ -797,7 +810,10 @@ void ExpressionCompiler::appendExternalFunctionCall(FunctionType const& _functio
 
 	// reserve space for the function identifier
 	unsigned dataOffset = bare ? 0 : CompilerUtils::dataStartOffset;
-	dataOffset += appendArgumentCopyToMemory(_functionType.getParameterTypes(), _arguments, dataOffset);
+	// For bare call, activate "4 byte pad exception": If the first argument has exactly 4 bytes,
+	// do not pad it to 32 bytes.
+	dataOffset += appendArgumentsCopyToMemory(_arguments, _functionType.getParameterTypes(), dataOffset,
+											  _functionType.padArguments(), bare);
 
 	//@todo only return the first return value for now
 	Type const* firstType = _functionType.getReturnParameterTypes().empty() ? nullptr :
@@ -828,33 +844,44 @@ void ExpressionCompiler::appendExternalFunctionCall(FunctionType const& _functio
 
 	if (retSize > 0)
 	{
-		bool const c_leftAligned = firstType->getCategory() == Type::Category::STRING;
+		bool const c_leftAligned = firstType->getCategory() == Type::Category::String;
 		CompilerUtils(m_context).loadFromMemory(0, retSize, c_leftAligned, false, true);
 	}
 }
 
-unsigned ExpressionCompiler::appendArgumentCopyToMemory(TypePointers const& _types,
-														vector<ASTPointer<Expression const>> const& _arguments,
-														unsigned _memoryOffset)
+unsigned ExpressionCompiler::appendArgumentsCopyToMemory(vector<ASTPointer<Expression const>> const& _arguments,
+														 TypePointers const& _types,
+														 unsigned _memoryOffset,
+														 bool _padToWordBoundaries,
+														 bool _padExceptionIfFourBytes)
 {
+	solAssert(_types.empty() || _types.size() == _arguments.size(), "");
 	unsigned length = 0;
-	for (unsigned i = 0; i < _arguments.size(); ++i)
-		length += appendExpressionCopyToMemory(*_types[i], *_arguments[i], _memoryOffset + length);
+	for (size_t i = 0; i < _arguments.size(); ++i)
+	{
+		_arguments[i]->accept(*this);
+		TypePointer const& expectedType = _types.empty() ? _arguments[i]->getType()->getRealType() : _types[i];
+		appendTypeConversion(*_arguments[i]->getType(), *expectedType, true);
+		bool pad = _padToWordBoundaries;
+		// Do not pad if the first argument has exactly four bytes
+		if (i == 0 && pad && _padExceptionIfFourBytes && expectedType->getCalldataEncodedSize() == 4)
+			pad = false;
+		length += appendTypeMoveToMemory(*expectedType, _arguments[i]->getLocation(),
+										 _memoryOffset + length, pad);
+	}
 	return length;
 }
 
-unsigned ExpressionCompiler::appendTypeConversionAndMoveToMemory(Type const& _expectedType, Type const& _type,
-																 Location const& _location, unsigned _memoryOffset)
+unsigned ExpressionCompiler::appendTypeMoveToMemory(Type const& _type, Location const& _location, unsigned _memoryOffset, bool _padToWordBoundaries)
 {
-	appendTypeConversion(_type, _expectedType, true);
-	unsigned const c_numBytes = CompilerUtils::getPaddedSize(_expectedType.getCalldataEncodedSize());
+	unsigned const c_encodedSize = _type.getCalldataEncodedSize();
+	unsigned const c_numBytes = _padToWordBoundaries ? CompilerUtils::getPaddedSize(c_encodedSize) : c_encodedSize;
 	if (c_numBytes == 0 || c_numBytes > 32)
 		BOOST_THROW_EXCEPTION(CompilerError()
 							  << errinfo_sourceLocation(_location)
-							  << errinfo_comment("Type " + _expectedType.toString() + " not yet supported."));
-	bool const c_leftAligned = _expectedType.getCategory() == Type::Category::STRING;
-	bool const c_padToWords = true;
-	return CompilerUtils(m_context).storeInMemory(_memoryOffset, c_numBytes, c_leftAligned, c_padToWords);
+							  << errinfo_comment("Type " + _type.toString() + " not yet supported."));
+	bool const c_leftAligned = _type.getCategory() == Type::Category::String;
+	return CompilerUtils(m_context).storeInMemory(_memoryOffset, c_numBytes, c_leftAligned, _padToWordBoundaries);
 }
 
 unsigned ExpressionCompiler::appendExpressionCopyToMemory(Type const& _expectedType,
@@ -862,39 +889,65 @@ unsigned ExpressionCompiler::appendExpressionCopyToMemory(Type const& _expectedT
 														  unsigned _memoryOffset)
 {
 	_expression.accept(*this);
-	return appendTypeConversionAndMoveToMemory(_expectedType, *_expression.getType(), _expression.getLocation(), _memoryOffset);
+	appendTypeConversion(*_expression.getType(), _expectedType, true);
+	return appendTypeMoveToMemory(_expectedType, _expression.getLocation(), _memoryOffset);
 }
 
 void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const& _varDecl)
 {
-	FunctionType thisType(_varDecl);
-	solAssert(thisType.getReturnParameterTypes().size() == 1, "");
-	TypePointer const& resultType = thisType.getReturnParameterTypes().front();
-	unsigned sizeOnStack;
+	FunctionType accessorType(_varDecl);
 
 	unsigned length = 0;
-	TypePointers const& params = thisType.getParameterTypes();
+	TypePointers const& paramTypes = accessorType.getParameterTypes();
 	// move arguments to memory
-	for (TypePointer const& param: boost::adaptors::reverse(params))
-		length += appendTypeConversionAndMoveToMemory(*param, *param, Location(), length);
+	for (TypePointer const& paramType: boost::adaptors::reverse(paramTypes))
+		length += appendTypeMoveToMemory(*paramType, Location(), length);
 
-	// retrieve the position of the mapping
+	// retrieve the position of the variable
 	m_context << m_context.getStorageLocationOfVariable(_varDecl);
+	TypePointer returnType = _varDecl.getType();
 
-	for (TypePointer const& param: params)
+	for (TypePointer const& paramType: paramTypes)
 	{
 		// move offset to memory
 		CompilerUtils(m_context).storeInMemory(length);
-		unsigned argLen = CompilerUtils::getPaddedSize(param->getCalldataEncodedSize());
+		unsigned argLen = CompilerUtils::getPaddedSize(paramType->getCalldataEncodedSize());
 		length -= argLen;
 		m_context << u256(argLen + 32) << u256(length) << eth::Instruction::SHA3;
+
+		returnType = dynamic_cast<MappingType const&>(*returnType).getValueType();
 	}
 
-	m_currentLValue = LValue(m_context, LValue::STORAGE, *resultType);
-	m_currentLValue.retrieveValue(resultType, Location(), true);
-	sizeOnStack = resultType->getSizeOnStack();
-	solAssert(sizeOnStack <= 15, "Stack too deep.");
-	m_context << eth::dupInstruction(sizeOnStack + 1) << eth::Instruction::JUMP;
+	unsigned retSizeOnStack = 0;
+	solAssert(accessorType.getReturnParameterTypes().size() >= 1, "");
+	if (StructType const* structType = dynamic_cast<StructType const*>(returnType.get()))
+	{
+		auto const& names = accessorType.getReturnParameterNames();
+		auto const& types = accessorType.getReturnParameterTypes();
+		// struct
+		for (size_t i = 0; i < names.size(); ++i)
+		{
+			m_context << eth::Instruction::DUP1
+					  << structType->getStorageOffsetOfMember(names[i])
+					  << eth::Instruction::ADD;
+			m_currentLValue = LValue(m_context, LValue::LValueType::Storage, *types[i]);
+			m_currentLValue.retrieveValue(types[i], Location(), true);
+			solAssert(types[i]->getSizeOnStack() == 1, "Returning struct elements with stack size != 1 not yet implemented.");
+			m_context << eth::Instruction::SWAP1;
+			retSizeOnStack += types[i]->getSizeOnStack();
+		}
+		m_context << eth::Instruction::POP;
+	}
+	else
+	{
+		// simple value
+		solAssert(accessorType.getReturnParameterTypes().size() == 1, "");
+		m_currentLValue = LValue(m_context, LValue::LValueType::Storage, *returnType);
+		m_currentLValue.retrieveValue(returnType, Location(), true);
+		retSizeOnStack = returnType->getSizeOnStack();
+	}
+	solAssert(retSizeOnStack <= 15, "Stack too deep.");
+	m_context << eth::dupInstruction(retSizeOnStack + 1) << eth::Instruction::JUMP;
 }
 
 ExpressionCompiler::LValue::LValue(CompilerContext& _compilerContext, LValueType _type, Type const& _dataType,
@@ -903,7 +956,7 @@ ExpressionCompiler::LValue::LValue(CompilerContext& _compilerContext, LValueType
 {
 	//@todo change the type cast for arrays
 	solAssert(_dataType.getStorageSize() <= numeric_limits<unsigned>::max(), "The storage size of " +_dataType.toString() + " should fit in unsigned");
-	if (m_type == STORAGE)
+	if (m_type == LValueType::Storage)
 		m_size = unsigned(_dataType.getStorageSize());
 	else
 		m_size = unsigned(_dataType.getSizeOnStack());
@@ -913,7 +966,7 @@ void ExpressionCompiler::LValue::retrieveValue(TypePointer const& _type, Locatio
 {
 	switch (m_type)
 	{
-	case STACK:
+	case LValueType::Stack:
 	{
 		unsigned stackPos = m_context->baseToCurrentStackOffset(unsigned(m_baseStackOffset));
 		if (stackPos >= 15) //@todo correct this by fetching earlier or moving to memory
@@ -923,10 +976,10 @@ void ExpressionCompiler::LValue::retrieveValue(TypePointer const& _type, Locatio
 			*m_context << eth::dupInstruction(stackPos + 1);
 		break;
 	}
-	case STORAGE:
+	case LValueType::Storage:
 		retrieveValueFromStorage(_type, _remove);
 		break;
-	case MEMORY:
+	case LValueType::Memory:
 		if (!_type->isValueType())
 			break; // no distinction between value and reference for non-value types
 		BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_sourceLocation(_location)
@@ -962,7 +1015,7 @@ void ExpressionCompiler::LValue::storeValue(Expression const& _expression, bool
 {
 	switch (m_type)
 	{
-	case STACK:
+	case LValueType::Stack:
 	{
 		unsigned stackDiff = m_context->baseToCurrentStackOffset(unsigned(m_baseStackOffset)) - m_size + 1;
 		if (stackDiff > 16)
@@ -975,7 +1028,7 @@ void ExpressionCompiler::LValue::storeValue(Expression const& _expression, bool
 			retrieveValue(_expression.getType(), _expression.getLocation());
 		break;
 	}
-	case LValue::STORAGE:
+	case LValueType::Storage:
 		if (!_expression.getType()->isValueType())
 			break; // no distinction between value and reference for non-value types
 		// stack layout: value value ... value ref
@@ -1000,7 +1053,7 @@ void ExpressionCompiler::LValue::storeValue(Expression const& _expression, bool
 						   << u256(1) << eth::Instruction::SWAP1 << eth::Instruction::SUB;
 		}
 		break;
-	case LValue::MEMORY:
+	case LValueType::Memory:
 		if (!_expression.getType()->isValueType())
 			break; // no distinction between value and reference for non-value types
 		BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_sourceLocation(_expression.getLocation())
@@ -1017,7 +1070,7 @@ void ExpressionCompiler::LValue::setToZero(Expression const& _expression) const
 {
 	switch (m_type)
 	{
-	case STACK:
+	case LValueType::Stack:
 	{
 		unsigned stackDiff = m_context->baseToCurrentStackOffset(unsigned(m_baseStackOffset));
 		if (stackDiff > 16)
@@ -1029,7 +1082,7 @@ void ExpressionCompiler::LValue::setToZero(Expression const& _expression) const
 						<< eth::Instruction::POP;
 		break;
 	}
-	case LValue::STORAGE:
+	case LValueType::Storage:
 		if (m_size == 0)
 			*m_context << eth::Instruction::POP;
 		for (unsigned i = 0; i < m_size; ++i)
@@ -1041,7 +1094,7 @@ void ExpressionCompiler::LValue::setToZero(Expression const& _expression) const
 							<< u256(1) << eth::Instruction::ADD;
 		}
 		break;
-	case LValue::MEMORY:
+	case LValueType::Memory:
 		if (!_expression.getType()->isValueType())
 			break; // no distinction between value and reference for non-value types
 		BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_sourceLocation(_expression.getLocation())
@@ -1066,7 +1119,7 @@ void ExpressionCompiler::LValue::retrieveValueIfLValueNotRequested(Expression co
 
 void ExpressionCompiler::LValue::fromStateVariable(Declaration const& _varDecl, TypePointer const& _type)
 {
-	m_type = STORAGE;
+	m_type = LValueType::Storage;
 	solAssert(_type->getStorageSize() <= numeric_limits<unsigned>::max(), "The storage size of " + _type->toString() + " should fit in an unsigned");
 	*m_context << m_context->getStorageLocationOfVariable(_varDecl);
 	m_size = unsigned(_type->getStorageSize());
@@ -1076,7 +1129,7 @@ void ExpressionCompiler::LValue::fromIdentifier(Identifier const& _identifier, D
 {
 	if (m_context->isLocalVariable(&_declaration))
 	{
-		m_type = STACK;
+		m_type = LValueType::Stack;
 		m_size = _identifier.getType()->getSizeOnStack();
 		m_baseStackOffset = m_context->getBaseStackOffsetOfVariable(_declaration);
 	}
diff --git a/libsolidity/ExpressionCompiler.h b/libsolidity/ExpressionCompiler.h
index 7de577e6c..3c94d74c2 100644
--- a/libsolidity/ExpressionCompiler.h
+++ b/libsolidity/ExpressionCompiler.h
@@ -92,17 +92,19 @@ private:
 	/// Appends code to call a function of the given type with the given arguments.
 	void appendExternalFunctionCall(FunctionType const& _functionType, std::vector<ASTPointer<Expression const>> const& _arguments,
 									bool bare = false);
-	/// Appends code that copies the given arguments to memory (with optional offset).
-	/// @returns the number of bytes copied to memory
-	unsigned appendArgumentCopyToMemory(TypePointers const& _types,
-										std::vector<ASTPointer<Expression const>> const& _arguments,
-										unsigned _memoryOffset = 0);
-	/// Appends code that copies a type to memory.
-	/// @returns the number of bytes copied to memory
-	unsigned appendTypeConversionAndMoveToMemory(Type const& _expectedType, Type const& _type,
-												 Location const& _location, unsigned _memoryOffset = 0);
-	/// Appends code that evaluates a single expression and copies it to memory (with optional offset).
-	/// @returns the number of bytes copied to memory
+	/// Appends code that evaluates the given arguments and moves the result to memory (with optional offset).
+	/// @returns the number of bytes moved to memory
+	unsigned appendArgumentsCopyToMemory(std::vector<ASTPointer<Expression const>> const& _arguments,
+										 TypePointers const& _types = {},
+										 unsigned _memoryOffset = 0,
+										 bool _padToWordBoundaries = true,
+										 bool _padExceptionIfFourBytes = false);
+	/// Appends code that moves a stack element of the given type to memory
+	/// @returns the number of bytes moved to memory
+	unsigned appendTypeMoveToMemory(Type const& _type, Location const& _location, unsigned _memoryOffset,
+									bool _padToWordBoundaries = true);
+	/// Appends code that evaluates a single expression and moves the result to memory (with optional offset).
+	/// @returns the number of bytes moved to memory
 	unsigned appendExpressionCopyToMemory(Type const& _expectedType, Expression const& _expression,
 										  unsigned _memoryOffset = 0);
 
@@ -117,7 +119,7 @@ private:
 	class LValue
 	{
 	public:
-		enum LValueType { NONE, STACK, MEMORY, STORAGE };
+		enum class LValueType { None, Stack, Memory, Storage };
 
 		explicit LValue(CompilerContext& _compilerContext): m_context(&_compilerContext) { reset(); }
 		LValue(CompilerContext& _compilerContext, LValueType _type, Type const& _dataType, unsigned _baseStackOffset = 0);
@@ -127,15 +129,15 @@ private:
 		void fromIdentifier(Identifier const& _identifier, Declaration const& _declaration);
 		/// Convenience function to set type for a state variable and retrieve the reference
 		void fromStateVariable(Declaration const& _varDecl, TypePointer const& _type);
-		void reset() { m_type = NONE; m_baseStackOffset = 0; m_size = 0; }
+		void reset() { m_type = LValueType::None; m_baseStackOffset = 0; m_size = 0; }
 
-		bool isValid() const { return m_type != NONE; }
-		bool isInOnStack() const { return m_type == STACK; }
-		bool isInMemory() const { return m_type == MEMORY; }
-		bool isInStorage() const { return m_type == STORAGE; }
+		bool isValid() const { return m_type != LValueType::None; }
+		bool isInOnStack() const { return m_type == LValueType::Stack; }
+		bool isInMemory() const { return m_type == LValueType::Memory; }
+		bool isInStorage() const { return m_type == LValueType::Storage; }
 
 		/// @returns true if this lvalue reference type occupies a slot on the stack.
-		bool storesReferenceOnStack() const { return m_type == STORAGE || m_type == MEMORY; }
+		bool storesReferenceOnStack() const { return m_type == LValueType::Storage || m_type == LValueType::Memory; }
 
 		/// Copies the value of the current lvalue to the top of the stack and, if @a _remove is true,
 		/// also removes the reference from the stack (note that is does not reset the type to @a NONE).
@@ -159,7 +161,7 @@ private:
 		void retrieveValueFromStorage(TypePointer const& _type, bool _remove = false) const;
 
 		CompilerContext* m_context;
-		LValueType m_type = NONE;
+		LValueType m_type = LValueType::None;
 		/// If m_type is STACK, this is base stack offset (@see
 		/// CompilerContext::getBaseStackOffsetOfVariable) of a local variable.
 		unsigned m_baseStackOffset = 0;
diff --git a/libsolidity/GlobalContext.cpp b/libsolidity/GlobalContext.cpp
index 687c9c9d4..60de5105f 100644
--- a/libsolidity/GlobalContext.cpp
+++ b/libsolidity/GlobalContext.cpp
@@ -34,29 +34,29 @@ namespace solidity
 {
 
 GlobalContext::GlobalContext():
-m_magicVariables(vector<shared_ptr<MagicVariableDeclaration const>>{make_shared<MagicVariableDeclaration>("block", make_shared<MagicType>(MagicType::Kind::BLOCK)),
-					make_shared<MagicVariableDeclaration>("msg", make_shared<MagicType>(MagicType::Kind::MSG)),
-					make_shared<MagicVariableDeclaration>("tx", make_shared<MagicType>(MagicType::Kind::TX)),
+m_magicVariables(vector<shared_ptr<MagicVariableDeclaration const>>{make_shared<MagicVariableDeclaration>("block", make_shared<MagicType>(MagicType::Kind::Block)),
+					make_shared<MagicVariableDeclaration>("msg", make_shared<MagicType>(MagicType::Kind::Message)),
+					make_shared<MagicVariableDeclaration>("tx", make_shared<MagicType>(MagicType::Kind::Transaction)),
 					make_shared<MagicVariableDeclaration>("suicide",
-							make_shared<FunctionType>(strings{"address"}, strings{}, FunctionType::Location::SUICIDE)),
+							make_shared<FunctionType>(strings{"address"}, strings{}, FunctionType::Location::Suicide)),
 					make_shared<MagicVariableDeclaration>("sha3",
-							make_shared<FunctionType>(strings{"hash"}, strings{"hash"}, FunctionType::Location::SHA3)),
+							make_shared<FunctionType>(strings(), strings{"hash"}, FunctionType::Location::SHA3, true)),
 					make_shared<MagicVariableDeclaration>("log0",
-							make_shared<FunctionType>(strings{"hash"},strings{}, FunctionType::Location::LOG0)),
+							make_shared<FunctionType>(strings{"hash"},strings{}, FunctionType::Location::Log0)),
 					make_shared<MagicVariableDeclaration>("log1",
-							make_shared<FunctionType>(strings{"hash", "hash"},strings{}, FunctionType::Location::LOG1)),
+							make_shared<FunctionType>(strings{"hash", "hash"},strings{}, FunctionType::Location::Log1)),
 					make_shared<MagicVariableDeclaration>("log2",
-							make_shared<FunctionType>(strings{"hash", "hash", "hash"},strings{}, FunctionType::Location::LOG2)),
+							make_shared<FunctionType>(strings{"hash", "hash", "hash"},strings{}, FunctionType::Location::Log2)),
 					make_shared<MagicVariableDeclaration>("log3",
-							make_shared<FunctionType>(strings{"hash", "hash", "hash", "hash"},strings{}, FunctionType::Location::LOG3)),
+							make_shared<FunctionType>(strings{"hash", "hash", "hash", "hash"},strings{}, FunctionType::Location::Log3)),
 					make_shared<MagicVariableDeclaration>("log4",
-							make_shared<FunctionType>(strings{"hash", "hash", "hash", "hash", "hash"},strings{}, FunctionType::Location::LOG4)),
+							make_shared<FunctionType>(strings{"hash", "hash", "hash", "hash", "hash"},strings{}, FunctionType::Location::Log4)),
 					make_shared<MagicVariableDeclaration>("sha256",
-							make_shared<FunctionType>(strings{"hash"}, strings{"hash"}, FunctionType::Location::SHA256)),
+							make_shared<FunctionType>(strings(), strings{"hash"}, FunctionType::Location::SHA256, true)),
 					make_shared<MagicVariableDeclaration>("ecrecover",
-							make_shared<FunctionType>(strings{"hash", "hash8", "hash", "hash"}, strings{"address"}, FunctionType::Location::ECRECOVER)),
+							make_shared<FunctionType>(strings{"hash", "hash8", "hash", "hash"}, strings{"address"}, FunctionType::Location::ECRecover)),
 					make_shared<MagicVariableDeclaration>("ripemd160",
-							make_shared<FunctionType>(strings{"hash"}, strings{"hash160"}, FunctionType::Location::RIPEMD160))})
+							make_shared<FunctionType>(strings(), strings{"hash160"}, FunctionType::Location::RIPEMD160, true))})
 {
 }
 
diff --git a/libsolidity/InterfaceHandler.cpp b/libsolidity/InterfaceHandler.cpp
index 82486c5d1..7ecde8029 100644
--- a/libsolidity/InterfaceHandler.cpp
+++ b/libsolidity/InterfaceHandler.cpp
@@ -13,7 +13,7 @@ namespace solidity
 
 InterfaceHandler::InterfaceHandler()
 {
-	m_lastTag = DocTagType::NONE;
+	m_lastTag = DocTagType::None;
 }
 
 std::unique_ptr<std::string> InterfaceHandler::getDocumentation(ContractDefinition const& _contractDef,
@@ -21,13 +21,13 @@ std::unique_ptr<std::string> InterfaceHandler::getDocumentation(ContractDefiniti
 {
 	switch(_type)
 	{
-	case DocumentationType::NATSPEC_USER:
+	case DocumentationType::NatspecUser:
 		return getUserDocumentation(_contractDef);
-	case DocumentationType::NATSPEC_DEV:
+	case DocumentationType::NatspecDev:
 		return getDevDocumentation(_contractDef);
-	case DocumentationType::ABI_INTERFACE:
+	case DocumentationType::ABIInterface:
 		return getABIInterface(_contractDef);
-	case DocumentationType::ABI_SOLIDITY_INTERFACE:
+	case DocumentationType::ABISolidityInterface:
 		return getABISolidityInterface(_contractDef);
 	}
 
@@ -133,7 +133,7 @@ std::unique_ptr<std::string> InterfaceHandler::getUserDocumentation(ContractDefi
 		if (strPtr)
 		{
 			resetUser();
-			parseDocString(*strPtr, CommentOwner::FUNCTION);
+			parseDocString(*strPtr, CommentOwner::Function);
 			if (!m_notice.empty())
 			{// since @notice is the only user tag if missing function should not appear
 				user["notice"] = Json::Value(m_notice);
@@ -158,7 +158,7 @@ std::unique_ptr<std::string> InterfaceHandler::getDevDocumentation(ContractDefin
 	{
 		m_contractAuthor.clear();
 		m_title.clear();
-		parseDocString(*contractDoc, CommentOwner::CONTRACT);
+		parseDocString(*contractDoc, CommentOwner::Contract);
 
 		if (!m_contractAuthor.empty())
 			doc["author"] = m_contractAuthor;
@@ -174,7 +174,7 @@ std::unique_ptr<std::string> InterfaceHandler::getDevDocumentation(ContractDefin
 		if (strPtr)
 		{
 			resetDev();
-			parseDocString(*strPtr, CommentOwner::FUNCTION);
+			parseDocString(*strPtr, CommentOwner::Function);
 
 			if (!m_dev.empty())
 				method["details"] = Json::Value(m_dev);
@@ -251,7 +251,7 @@ std::string::const_iterator InterfaceHandler::parseDocTagParam(std::string::cons
 	auto paramDesc = std::string(currPos, nlPos);
 	m_params.push_back(std::make_pair(paramName, paramDesc));
 
-	m_lastTag = DocTagType::PARAM;
+	m_lastTag = DocTagType::Param;
 	return skipLineOrEOS(nlPos, _end);
 }
 
@@ -280,28 +280,28 @@ std::string::const_iterator InterfaceHandler::parseDocTag(std::string::const_ite
 	// LTODO: need to check for @(start of a tag) between here and the end of line
 	// for all cases. Also somehow automate list of acceptable tags for each
 	// language construct since current way does not scale well.
-	if (m_lastTag == DocTagType::NONE || _tag != "")
+	if (m_lastTag == DocTagType::None || _tag != "")
 	{
 		if (_tag == "dev")
-			return parseDocTagLine(_pos, _end, m_dev, DocTagType::DEV, false);
+			return parseDocTagLine(_pos, _end, m_dev, DocTagType::Dev, false);
 		else if (_tag == "notice")
-			return parseDocTagLine(_pos, _end, m_notice, DocTagType::NOTICE, false);
+			return parseDocTagLine(_pos, _end, m_notice, DocTagType::Notice, false);
 		else if (_tag == "return")
-			return parseDocTagLine(_pos, _end, m_return, DocTagType::RETURN, false);
+			return parseDocTagLine(_pos, _end, m_return, DocTagType::Return, false);
 		else if (_tag == "author")
 		{
-			if (_owner == CommentOwner::CONTRACT)
-				return parseDocTagLine(_pos, _end, m_contractAuthor, DocTagType::AUTHOR, false);
-			else if (_owner == CommentOwner::FUNCTION)
-				return parseDocTagLine(_pos, _end, m_author, DocTagType::AUTHOR, false);
+			if (_owner == CommentOwner::Contract)
+				return parseDocTagLine(_pos, _end, m_contractAuthor, DocTagType::Author, false);
+			else if (_owner == CommentOwner::Function)
+				return parseDocTagLine(_pos, _end, m_author, DocTagType::Author, false);
 			else
 				// LTODO: for now this else makes no sense but later comments will go to more language constructs
 				BOOST_THROW_EXCEPTION(DocstringParsingError() << errinfo_comment("@author tag is legal only for contracts"));
 		}
 		else if (_tag == "title")
 		{
-			if (_owner == CommentOwner::CONTRACT)
-				return parseDocTagLine(_pos, _end, m_title, DocTagType::TITLE, false);
+			if (_owner == CommentOwner::Contract)
+				return parseDocTagLine(_pos, _end, m_title, DocTagType::Title, false);
 			else
 				// LTODO: Unknown tag, throw some form of warning and not just an exception
 				BOOST_THROW_EXCEPTION(DocstringParsingError() << errinfo_comment("@title tag is legal only for contracts"));
@@ -322,27 +322,27 @@ std::string::const_iterator InterfaceHandler::appendDocTag(std::string::const_it
 {
 	switch (m_lastTag)
 	{
-	case DocTagType::DEV:
-		return parseDocTagLine(_pos, _end, m_dev, DocTagType::DEV, true);
-	case DocTagType::NOTICE:
-		return parseDocTagLine(_pos, _end, m_notice, DocTagType::NOTICE, true);
-	case DocTagType::RETURN:
-		return parseDocTagLine(_pos, _end, m_return, DocTagType::RETURN, true);
-	case DocTagType::AUTHOR:
-		if (_owner == CommentOwner::CONTRACT)
-			return parseDocTagLine(_pos, _end, m_contractAuthor, DocTagType::AUTHOR, true);
-		else if (_owner == CommentOwner::FUNCTION)
-			return parseDocTagLine(_pos, _end, m_author, DocTagType::AUTHOR, true);
+	case DocTagType::Dev:
+		return parseDocTagLine(_pos, _end, m_dev, DocTagType::Dev, true);
+	case DocTagType::Notice:
+		return parseDocTagLine(_pos, _end, m_notice, DocTagType::Notice, true);
+	case DocTagType::Return:
+		return parseDocTagLine(_pos, _end, m_return, DocTagType::Return, true);
+	case DocTagType::Author:
+		if (_owner == CommentOwner::Contract)
+			return parseDocTagLine(_pos, _end, m_contractAuthor, DocTagType::Author, true);
+		else if (_owner == CommentOwner::Function)
+			return parseDocTagLine(_pos, _end, m_author, DocTagType::Author, true);
 		else
 			// LTODO: Unknown tag, throw some form of warning and not just an exception
 			BOOST_THROW_EXCEPTION(DocstringParsingError() << errinfo_comment("@author tag in illegal comment"));
-	case DocTagType::TITLE:
-		if (_owner == CommentOwner::CONTRACT)
-			return parseDocTagLine(_pos, _end, m_title, DocTagType::TITLE, true);
+	case DocTagType::Title:
+		if (_owner == CommentOwner::Contract)
+			return parseDocTagLine(_pos, _end, m_title, DocTagType::Title, true);
 		else
 			// LTODO: Unknown tag, throw some form of warning and not just an exception
 			BOOST_THROW_EXCEPTION(DocstringParsingError() << errinfo_comment("@title tag in illegal comment"));
-	case DocTagType::PARAM:
+	case DocTagType::Param:
 		return appendDocTagParam(_pos, _end);
 	default:
 		BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Internal: Illegal documentation tag type"));
@@ -378,14 +378,14 @@ void InterfaceHandler::parseDocString(std::string const& _string, CommentOwner _
 
 			currPos = parseDocTag(tagNameEndPos + 1, end, std::string(tagPos + 1, tagNameEndPos), _owner);
 		}
-		else if (m_lastTag != DocTagType::NONE) // continuation of the previous tag
+		else if (m_lastTag != DocTagType::None) // continuation of the previous tag
 			currPos = appendDocTag(currPos, end, _owner);
 		else if (currPos != end)
 		{
 			// if it begins without a tag then consider it as @notice
 			if (currPos == _string.begin())
 			{
-				currPos = parseDocTag(currPos, end, "notice", CommentOwner::FUNCTION);
+				currPos = parseDocTag(currPos, end, "notice", CommentOwner::Function);
 				continue;
 			}
 			else if (nlPos == end) //end of text
diff --git a/libsolidity/InterfaceHandler.h b/libsolidity/InterfaceHandler.h
index 2b62cabdf..c6da63de0 100644
--- a/libsolidity/InterfaceHandler.h
+++ b/libsolidity/InterfaceHandler.h
@@ -41,19 +41,19 @@ enum class DocumentationType: uint8_t;
 
 enum class DocTagType: uint8_t
 {
-	NONE = 0,
-	DEV,
-	NOTICE,
-	PARAM,
-	RETURN,
-	AUTHOR,
-	TITLE
+	None = 0,
+	Dev,
+	Notice,
+	Param,
+	Return,
+	Author,
+	Title
 };
 
 enum class CommentOwner
 {
-	CONTRACT,
-	FUNCTION
+	Contract,
+	Function
 };
 
 class InterfaceHandler
diff --git a/libsolidity/Parser.cpp b/libsolidity/Parser.cpp
index 0ad7bd7ca..f076df876 100644
--- a/libsolidity/Parser.cpp
+++ b/libsolidity/Parser.cpp
@@ -69,10 +69,10 @@ ASTPointer<SourceUnit> Parser::parse(shared_ptr<Scanner> const& _scanner)
 	{
 		switch (m_scanner->getCurrentToken())
 		{
-		case Token::IMPORT:
+		case Token::Import:
 			nodes.push_back(parseImportDirective());
 			break;
-		case Token::CONTRACT:
+		case Token::Contract:
 			nodes.push_back(parseContractDefinition());
 			break;
 		default:
@@ -100,12 +100,12 @@ int Parser::getEndPosition() const
 ASTPointer<ImportDirective> Parser::parseImportDirective()
 {
 	ASTNodeFactory nodeFactory(*this);
-	expectToken(Token::IMPORT);
-	if (m_scanner->getCurrentToken() != Token::STRING_LITERAL)
+	expectToken(Token::Import);
+	if (m_scanner->getCurrentToken() != Token::StringLiteral)
 		BOOST_THROW_EXCEPTION(createParserError("Expected string literal (URL)."));
 	ASTPointer<ASTString> url = getLiteralAndAdvance();
 	nodeFactory.markEndPosition();
-	expectToken(Token::SEMICOLON);
+	expectToken(Token::Semicolon);
 	return nodeFactory.createNode<ImportDirective>(url);
 }
 
@@ -115,7 +115,7 @@ ASTPointer<ContractDefinition> Parser::parseContractDefinition()
 	ASTPointer<ASTString> docString;
 	if (m_scanner->getCurrentCommentLiteral() != "")
 		docString = make_shared<ASTString>(m_scanner->getCurrentCommentLiteral());
-	expectToken(Token::CONTRACT);
+	expectToken(Token::Contract);
 	ASTPointer<ASTString> name = expectIdentifierToken();
 	vector<ASTPointer<InheritanceSpecifier>> baseContracts;
 	vector<ASTPointer<StructDefinition>> structs;
@@ -123,40 +123,40 @@ ASTPointer<ContractDefinition> Parser::parseContractDefinition()
 	vector<ASTPointer<FunctionDefinition>> functions;
 	vector<ASTPointer<ModifierDefinition>> modifiers;
 	vector<ASTPointer<EventDefinition>> events;
-	if (m_scanner->getCurrentToken() == Token::IS)
+	if (m_scanner->getCurrentToken() == Token::Is)
 		do
 		{
 			m_scanner->next();
 			baseContracts.push_back(parseInheritanceSpecifier());
 		}
-		while (m_scanner->getCurrentToken() == Token::COMMA);
-	expectToken(Token::LBRACE);
+		while (m_scanner->getCurrentToken() == Token::Comma);
+	expectToken(Token::LBrace);
 	while (true)
 	{
 		Token::Value currentToken = m_scanner->getCurrentToken();
-		if (currentToken == Token::RBRACE)
+		if (currentToken == Token::RBrace)
 			break;
-		else if (currentToken == Token::FUNCTION)
+		else if (currentToken == Token::Function)
 			functions.push_back(parseFunctionDefinition(name.get()));
-		else if (currentToken == Token::STRUCT)
+		else if (currentToken == Token::Struct)
 			structs.push_back(parseStructDefinition());
-		else if (currentToken == Token::IDENTIFIER || currentToken == Token::MAPPING ||
+		else if (currentToken == Token::Identifier || currentToken == Token::Mapping ||
 				 Token::isElementaryTypeName(currentToken))
 		{
 			VarDeclParserOptions options;
 			options.isStateVariable = true;
 			stateVariables.push_back(parseVariableDeclaration(options));
-			expectToken(Token::SEMICOLON);
+			expectToken(Token::Semicolon);
 		}
-		else if (currentToken == Token::MODIFIER)
+		else if (currentToken == Token::Modifier)
 			modifiers.push_back(parseModifierDefinition());
-		else if (currentToken == Token::EVENT)
+		else if (currentToken == Token::Event)
 			events.push_back(parseEventDefinition());
 		else
 			BOOST_THROW_EXCEPTION(createParserError("Function, variable, struct or modifier declaration expected."));
 	}
 	nodeFactory.markEndPosition();
-	expectToken(Token::RBRACE);
+	expectToken(Token::RBrace);
 	return nodeFactory.createNode<ContractDefinition>(name, docString, baseContracts, structs,
 													  stateVariables, functions, modifiers, events);
 }
@@ -166,12 +166,12 @@ ASTPointer<InheritanceSpecifier> Parser::parseInheritanceSpecifier()
 	ASTNodeFactory nodeFactory(*this);
 	ASTPointer<Identifier> name(parseIdentifier());
 	vector<ASTPointer<Expression>> arguments;
-	if (m_scanner->getCurrentToken() == Token::LPAREN)
+	if (m_scanner->getCurrentToken() == Token::LParen)
 	{
 		m_scanner->next();
 		arguments = parseFunctionCallListArguments();
 		nodeFactory.markEndPosition();
-		expectToken(Token::RPAREN);
+		expectToken(Token::RParen);
 	}
 	else
 		nodeFactory.setEndPositionFromNode(name);
@@ -180,13 +180,13 @@ ASTPointer<InheritanceSpecifier> Parser::parseInheritanceSpecifier()
 
 Declaration::Visibility Parser::parseVisibilitySpecifier(Token::Value _token)
 {
-	Declaration::Visibility visibility;
-	if (_token == Token::PUBLIC)
-		visibility = Declaration::Visibility::PUBLIC;
-	else if (_token == Token::PROTECTED)
-		visibility = Declaration::Visibility::PROTECTED;
-	else if (_token == Token::PRIVATE)
-		visibility = Declaration::Visibility::PRIVATE;
+	Declaration::Visibility visibility(Declaration::Visibility::Default);
+	if (_token == Token::Public)
+		visibility = Declaration::Visibility::Public;
+	else if (_token == Token::Protected)
+		visibility = Declaration::Visibility::Protected;
+	else if (_token == Token::Private)
+		visibility = Declaration::Visibility::Private;
 	else
 		solAssert(false, "Invalid visibility specifier.");
 	m_scanner->next();
@@ -200,29 +200,29 @@ ASTPointer<FunctionDefinition> Parser::parseFunctionDefinition(ASTString const*
 	if (m_scanner->getCurrentCommentLiteral() != "")
 		docstring = make_shared<ASTString>(m_scanner->getCurrentCommentLiteral());
 
-	expectToken(Token::FUNCTION);
+	expectToken(Token::Function);
 	ASTPointer<ASTString> name;
-	if (m_scanner->getCurrentToken() == Token::LPAREN)
+	if (m_scanner->getCurrentToken() == Token::LParen)
 		name = make_shared<ASTString>(); // anonymous function
 	else
 		name = expectIdentifierToken();
 	ASTPointer<ParameterList> parameters(parseParameterList());
 	bool isDeclaredConst = false;
-	Declaration::Visibility visibility(Declaration::Visibility::DEFAULT);
+	Declaration::Visibility visibility(Declaration::Visibility::Default);
 	vector<ASTPointer<ModifierInvocation>> modifiers;
 	while (true)
 	{
 		Token::Value token = m_scanner->getCurrentToken();
-		if (token == Token::CONST)
+		if (token == Token::Const)
 		{
 			isDeclaredConst = true;
 			m_scanner->next();
 		}
-		else if (token == Token::IDENTIFIER)
+		else if (token == Token::Identifier)
 			modifiers.push_back(parseModifierInvocation());
 		else if (Token::isVisibilitySpecifier(token))
 		{
-			if (visibility != Declaration::Visibility::DEFAULT)
+			if (visibility != Declaration::Visibility::Default)
 				BOOST_THROW_EXCEPTION(createParserError("Multiple visibility specifiers."));
 			visibility = parseVisibilitySpecifier(token);
 		}
@@ -230,7 +230,7 @@ ASTPointer<FunctionDefinition> Parser::parseFunctionDefinition(ASTString const*
 			break;
 	}
 	ASTPointer<ParameterList> returnParameters;
-	if (m_scanner->getCurrentToken() == Token::RETURNS)
+	if (m_scanner->getCurrentToken() == Token::Returns)
 	{
 		bool const permitEmptyParameterList = false;
 		m_scanner->next();
@@ -249,17 +249,17 @@ ASTPointer<FunctionDefinition> Parser::parseFunctionDefinition(ASTString const*
 ASTPointer<StructDefinition> Parser::parseStructDefinition()
 {
 	ASTNodeFactory nodeFactory(*this);
-	expectToken(Token::STRUCT);
+	expectToken(Token::Struct);
 	ASTPointer<ASTString> name = expectIdentifierToken();
 	vector<ASTPointer<VariableDeclaration>> members;
-	expectToken(Token::LBRACE);
-	while (m_scanner->getCurrentToken() != Token::RBRACE)
+	expectToken(Token::LBrace);
+	while (m_scanner->getCurrentToken() != Token::RBrace)
 	{
 		members.push_back(parseVariableDeclaration());
-		expectToken(Token::SEMICOLON);
+		expectToken(Token::Semicolon);
 	}
 	nodeFactory.markEndPosition();
-	expectToken(Token::RBRACE);
+	expectToken(Token::RBrace);
 	return nodeFactory.createNode<StructDefinition>(name, members);
 }
 
@@ -267,20 +267,31 @@ ASTPointer<VariableDeclaration> Parser::parseVariableDeclaration(VarDeclParserOp
 {
 	ASTNodeFactory nodeFactory(*this);
 	ASTPointer<TypeName> type = parseTypeName(_options.allowVar);
+	if (type != nullptr)
+		nodeFactory.setEndPositionFromNode(type);
 	bool isIndexed = false;
+	ASTPointer<ASTString> identifier;
 	Token::Value token = m_scanner->getCurrentToken();
-	if (_options.allowIndexed && token == Token::INDEXED)
+	Declaration::Visibility visibility(Declaration::Visibility::Default);
+	if (_options.isStateVariable && Token::isVisibilitySpecifier(token))
+		visibility = parseVisibilitySpecifier(token);
+	if (_options.allowIndexed && token == Token::Indexed)
 	{
 		isIndexed = true;
 		m_scanner->next();
 	}
-	Declaration::Visibility visibility(Declaration::Visibility::DEFAULT);
-	if (_options.isStateVariable && Token::isVisibilitySpecifier(token))
-		visibility = parseVisibilitySpecifier(token);
 	nodeFactory.markEndPosition();
-	return nodeFactory.createNode<VariableDeclaration>(type, expectIdentifierToken(),
-													   visibility, _options.isStateVariable,
-													   isIndexed);
+	if (_options.allowEmptyName && m_scanner->getCurrentToken() != Token::Identifier)
+	{
+		identifier = make_shared<ASTString>("");
+		solAssert(type != nullptr, "");
+		nodeFactory.setEndPositionFromNode(type);
+	}
+	else
+		identifier = expectIdentifierToken();
+	return nodeFactory.createNode<VariableDeclaration>(type, identifier,
+												   visibility, _options.isStateVariable,
+												   isIndexed);
 }
 
 ASTPointer<ModifierDefinition> Parser::parseModifierDefinition()
@@ -293,10 +304,10 @@ ASTPointer<ModifierDefinition> Parser::parseModifierDefinition()
 	if (m_scanner->getCurrentCommentLiteral() != "")
 		docstring = make_shared<ASTString>(m_scanner->getCurrentCommentLiteral());
 
-	expectToken(Token::MODIFIER);
+	expectToken(Token::Modifier);
 	ASTPointer<ASTString> name(expectIdentifierToken());
 	ASTPointer<ParameterList> parameters;
-	if (m_scanner->getCurrentToken() == Token::LPAREN)
+	if (m_scanner->getCurrentToken() == Token::LParen)
 		parameters = parseParameterList();
 	else
 		parameters = createEmptyParameterList();
@@ -312,15 +323,15 @@ ASTPointer<EventDefinition> Parser::parseEventDefinition()
 	if (m_scanner->getCurrentCommentLiteral() != "")
 		docstring = make_shared<ASTString>(m_scanner->getCurrentCommentLiteral());
 
-	expectToken(Token::EVENT);
+	expectToken(Token::Event);
 	ASTPointer<ASTString> name(expectIdentifierToken());
 	ASTPointer<ParameterList> parameters;
-	if (m_scanner->getCurrentToken() == Token::LPAREN)
+	if (m_scanner->getCurrentToken() == Token::LParen)
 		parameters = parseParameterList(true, true);
 	else
 		parameters = createEmptyParameterList();
 	nodeFactory.markEndPosition();
-	expectToken(Token::SEMICOLON);
+	expectToken(Token::Semicolon);
 	return nodeFactory.createNode<EventDefinition>(name, docstring, parameters);
 }
 
@@ -329,12 +340,12 @@ ASTPointer<ModifierInvocation> Parser::parseModifierInvocation()
 	ASTNodeFactory nodeFactory(*this);
 	ASTPointer<Identifier> name(parseIdentifier());
 	vector<ASTPointer<Expression>> arguments;
-	if (m_scanner->getCurrentToken() == Token::LPAREN)
+	if (m_scanner->getCurrentToken() == Token::LParen)
 	{
 		m_scanner->next();
 		arguments = parseFunctionCallListArguments();
 		nodeFactory.markEndPosition();
-		expectToken(Token::RPAREN);
+		expectToken(Token::RParen);
 	}
 	else
 		nodeFactory.setEndPositionFromNode(name);
@@ -357,17 +368,17 @@ ASTPointer<TypeName> Parser::parseTypeName(bool _allowVar)
 		type = ASTNodeFactory(*this).createNode<ElementaryTypeName>(token);
 		m_scanner->next();
 	}
-	else if (token == Token::VAR)
+	else if (token == Token::Var)
 	{
 		if (!_allowVar)
 			BOOST_THROW_EXCEPTION(createParserError("Expected explicit type name."));
 		m_scanner->next();
 	}
-	else if (token == Token::MAPPING)
+	else if (token == Token::Mapping)
 	{
 		type = parseMapping();
 	}
-	else if (token == Token::IDENTIFIER)
+	else if (token == Token::Identifier)
 	{
 		ASTNodeFactory nodeFactory(*this);
 		nodeFactory.markEndPosition();
@@ -381,18 +392,18 @@ ASTPointer<TypeName> Parser::parseTypeName(bool _allowVar)
 ASTPointer<Mapping> Parser::parseMapping()
 {
 	ASTNodeFactory nodeFactory(*this);
-	expectToken(Token::MAPPING);
-	expectToken(Token::LPAREN);
+	expectToken(Token::Mapping);
+	expectToken(Token::LParen);
 	if (!Token::isElementaryTypeName(m_scanner->getCurrentToken()))
 		BOOST_THROW_EXCEPTION(createParserError("Expected elementary type name for mapping key type"));
 	ASTPointer<ElementaryTypeName> keyType;
 	keyType = ASTNodeFactory(*this).createNode<ElementaryTypeName>(m_scanner->getCurrentToken());
 	m_scanner->next();
-	expectToken(Token::ARROW);
+	expectToken(Token::Arrow);
 	bool const allowVar = false;
 	ASTPointer<TypeName> valueType = parseTypeName(allowVar);
 	nodeFactory.markEndPosition();
-	expectToken(Token::RPAREN);
+	expectToken(Token::RParen);
 	return nodeFactory.createNode<Mapping>(keyType, valueType);
 }
 
@@ -402,13 +413,14 @@ ASTPointer<ParameterList> Parser::parseParameterList(bool _allowEmpty, bool _all
 	vector<ASTPointer<VariableDeclaration>> parameters;
 	VarDeclParserOptions options;
 	options.allowIndexed = _allowIndexed;
-	expectToken(Token::LPAREN);
-	if (!_allowEmpty || m_scanner->getCurrentToken() != Token::RPAREN)
+	options.allowEmptyName = true;
+	expectToken(Token::LParen);
+	if (!_allowEmpty || m_scanner->getCurrentToken() != Token::RParen)
 	{
 		parameters.push_back(parseVariableDeclaration(options));
-		while (m_scanner->getCurrentToken() != Token::RPAREN)
+		while (m_scanner->getCurrentToken() != Token::RParen)
 		{
-			expectToken(Token::COMMA);
+			expectToken(Token::Comma);
 			parameters.push_back(parseVariableDeclaration(options));
 		}
 	}
@@ -420,12 +432,12 @@ ASTPointer<ParameterList> Parser::parseParameterList(bool _allowEmpty, bool _all
 ASTPointer<Block> Parser::parseBlock()
 {
 	ASTNodeFactory nodeFactory(*this);
-	expectToken(Token::LBRACE);
+	expectToken(Token::LBrace);
 	vector<ASTPointer<Statement>> statements;
-	while (m_scanner->getCurrentToken() != Token::RBRACE)
+	while (m_scanner->getCurrentToken() != Token::RBrace)
 		statements.push_back(parseStatement());
 	nodeFactory.markEndPosition();
-	expectToken(Token::RBRACE);
+	expectToken(Token::RBrace);
 	return nodeFactory.createNode<Block>(statements);
 }
 
@@ -434,28 +446,28 @@ ASTPointer<Statement> Parser::parseStatement()
 	ASTPointer<Statement> statement;
 	switch (m_scanner->getCurrentToken())
 	{
-	case Token::IF:
+	case Token::If:
 		return parseIfStatement();
-	case Token::WHILE:
+	case Token::While:
 		return parseWhileStatement();
-	case Token::FOR:
+	case Token::For:
 		return parseForStatement();
-	case Token::LBRACE:
+	case Token::LBrace:
 		return parseBlock();
 		// starting from here, all statements must be terminated by a semicolon
-	case Token::CONTINUE:
+	case Token::Continue:
 		statement = ASTNodeFactory(*this).createNode<Continue>();
 		m_scanner->next();
 		break;
-	case Token::BREAK:
+	case Token::Break:
 		statement = ASTNodeFactory(*this).createNode<Break>();
 		m_scanner->next();
 		break;
-	case Token::RETURN:
+	case Token::Return:
 	{
 		ASTNodeFactory nodeFactory(*this);
 		ASTPointer<Expression> expression;
-		if (m_scanner->next() != Token::SEMICOLON)
+		if (m_scanner->next() != Token::Semicolon)
 		{
 			expression = parseExpression();
 			nodeFactory.setEndPositionFromNode(expression);
@@ -463,7 +475,7 @@ ASTPointer<Statement> Parser::parseStatement()
 		statement = nodeFactory.createNode<Return>(expression);
 		break;
 	}
-	case Token::IDENTIFIER:
+	case Token::Identifier:
 		if (m_insideModifier && m_scanner->getCurrentLiteral() == "_")
 		{
 			statement = ASTNodeFactory(*this).createNode<PlaceholderStatement>();
@@ -474,20 +486,20 @@ ASTPointer<Statement> Parser::parseStatement()
 	default:
 		statement = parseVarDefOrExprStmt();
 	}
-	expectToken(Token::SEMICOLON);
+	expectToken(Token::Semicolon);
 	return statement;
 }
 
 ASTPointer<IfStatement> Parser::parseIfStatement()
 {
 	ASTNodeFactory nodeFactory(*this);
-	expectToken(Token::IF);
-	expectToken(Token::LPAREN);
+	expectToken(Token::If);
+	expectToken(Token::LParen);
 	ASTPointer<Expression> condition = parseExpression();
-	expectToken(Token::RPAREN);
+	expectToken(Token::RParen);
 	ASTPointer<Statement> trueBody = parseStatement();
 	ASTPointer<Statement> falseBody;
-	if (m_scanner->getCurrentToken() == Token::ELSE)
+	if (m_scanner->getCurrentToken() == Token::Else)
 	{
 		m_scanner->next();
 		falseBody = parseStatement();
@@ -501,10 +513,10 @@ ASTPointer<IfStatement> Parser::parseIfStatement()
 ASTPointer<WhileStatement> Parser::parseWhileStatement()
 {
 	ASTNodeFactory nodeFactory(*this);
-	expectToken(Token::WHILE);
-	expectToken(Token::LPAREN);
+	expectToken(Token::While);
+	expectToken(Token::LParen);
 	ASTPointer<Expression> condition = parseExpression();
-	expectToken(Token::RPAREN);
+	expectToken(Token::RParen);
 	ASTPointer<Statement> body = parseStatement();
 	nodeFactory.setEndPositionFromNode(body);
 	return nodeFactory.createNode<WhileStatement>(condition, body);
@@ -516,21 +528,21 @@ ASTPointer<ForStatement> Parser::parseForStatement()
 	ASTPointer<Statement> initExpression;
 	ASTPointer<Expression> conditionExpression;
 	ASTPointer<ExpressionStatement> loopExpression;
-	expectToken(Token::FOR);
-	expectToken(Token::LPAREN);
+	expectToken(Token::For);
+	expectToken(Token::LParen);
 
-	// LTODO: Maybe here have some predicate like peekExpression() instead of checking for semicolon and RPAREN?
-	if (m_scanner->getCurrentToken() != Token::SEMICOLON)
+	// LTODO: Maybe here have some predicate like peekExpression() instead of checking for semicolon and RParen?
+	if (m_scanner->getCurrentToken() != Token::Semicolon)
 		initExpression = parseVarDefOrExprStmt();
-	expectToken(Token::SEMICOLON);
+	expectToken(Token::Semicolon);
 
-	if (m_scanner->getCurrentToken() != Token::SEMICOLON)
+	if (m_scanner->getCurrentToken() != Token::Semicolon)
 		conditionExpression = parseExpression();
-	expectToken(Token::SEMICOLON);
+	expectToken(Token::Semicolon);
 
-	if (m_scanner->getCurrentToken() != Token::RPAREN)
+	if (m_scanner->getCurrentToken() != Token::RParen)
 		loopExpression = parseExpressionStatement();
-	expectToken(Token::RPAREN);
+	expectToken(Token::RParen);
 
 	ASTPointer<Statement> body = parseStatement();
 	nodeFactory.setEndPositionFromNode(body);
@@ -555,7 +567,7 @@ ASTPointer<VariableDefinition> Parser::parseVariableDefinition()
 	options.allowVar = true;
 	ASTPointer<VariableDeclaration> variable = parseVariableDeclaration(options);
 	ASTPointer<Expression> value;
-	if (m_scanner->getCurrentToken() == Token::ASSIGN)
+	if (m_scanner->getCurrentToken() == Token::Assign)
 	{
 		m_scanner->next();
 		value = parseExpression();
@@ -632,9 +644,9 @@ ASTPointer<Expression> Parser::parseLeftHandSideExpression()
 {
 	ASTNodeFactory nodeFactory(*this);
 	ASTPointer<Expression> expression;
-	if (m_scanner->getCurrentToken() == Token::NEW)
+	if (m_scanner->getCurrentToken() == Token::New)
 	{
-		expectToken(Token::NEW);
+		expectToken(Token::New);
 		ASTPointer<Identifier> contractName(parseIdentifier());
 		nodeFactory.setEndPositionFromNode(contractName);
 		expression = nodeFactory.createNode<NewExpression>(contractName);
@@ -646,30 +658,30 @@ ASTPointer<Expression> Parser::parseLeftHandSideExpression()
 	{
 		switch (m_scanner->getCurrentToken())
 		{
-		case Token::LBRACK:
+		case Token::LBrack:
 		{
 			m_scanner->next();
 			ASTPointer<Expression> index = parseExpression();
 			nodeFactory.markEndPosition();
-			expectToken(Token::RBRACK);
+			expectToken(Token::RBrack);
 			expression = nodeFactory.createNode<IndexAccess>(expression, index);
 		}
 		break;
-		case Token::PERIOD:
+		case Token::Period:
 		{
 			m_scanner->next();
 			nodeFactory.markEndPosition();
 			expression = nodeFactory.createNode<MemberAccess>(expression, expectIdentifierToken());
 		}
 		break;
-		case Token::LPAREN:
+		case Token::LParen:
 		{
 			m_scanner->next();
 			vector<ASTPointer<Expression>> arguments;
 			vector<ASTPointer<ASTString>> names;
 			std::tie(arguments, names) = parseFunctionCallArguments();
 			nodeFactory.markEndPosition();
-			expectToken(Token::RPAREN);
+			expectToken(Token::RParen);
 			expression = nodeFactory.createNode<FunctionCall>(expression, arguments, names);
 		}
 		break;
@@ -686,24 +698,34 @@ ASTPointer<Expression> Parser::parsePrimaryExpression()
 	ASTPointer<Expression> expression;
 	switch (token)
 	{
-	case Token::TRUE_LITERAL:
-	case Token::FALSE_LITERAL:
+	case Token::TrueLiteral:
+	case Token::FalseLiteral:
 		expression = nodeFactory.createNode<Literal>(token, getLiteralAndAdvance());
 		break;
-	case Token::NUMBER:
-	case Token::STRING_LITERAL:
+	case Token::Number:
+		if (Token::isEtherSubdenomination(m_scanner->peekNextToken()))
+		{
+			ASTPointer<ASTString> literal = getLiteralAndAdvance();
+			nodeFactory.markEndPosition();
+			Literal::SubDenomination subdenomination = static_cast<Literal::SubDenomination>(m_scanner->getCurrentToken());
+			m_scanner->next();
+			expression = nodeFactory.createNode<Literal>(token, literal, subdenomination);
+			break;
+		}
+		// fall-through
+	case Token::StringLiteral:
 		nodeFactory.markEndPosition();
 		expression = nodeFactory.createNode<Literal>(token, getLiteralAndAdvance());
 		break;
-	case Token::IDENTIFIER:
+	case Token::Identifier:
 		nodeFactory.markEndPosition();
 		expression = nodeFactory.createNode<Identifier>(getLiteralAndAdvance());
 		break;
-	case Token::LPAREN:
+	case Token::LParen:
 	{
 		m_scanner->next();
 		ASTPointer<Expression> expression = parseExpression();
-		expectToken(Token::RPAREN);
+		expectToken(Token::RParen);
 		return expression;
 	}
 	default:
@@ -726,12 +748,12 @@ ASTPointer<Expression> Parser::parsePrimaryExpression()
 vector<ASTPointer<Expression>> Parser::parseFunctionCallListArguments()
 {
 	vector<ASTPointer<Expression>> arguments;
-	if (m_scanner->getCurrentToken() != Token::RPAREN)
+	if (m_scanner->getCurrentToken() != Token::RParen)
 	{
 		arguments.push_back(parseExpression());
-		while (m_scanner->getCurrentToken() != Token::RPAREN)
+		while (m_scanner->getCurrentToken() != Token::RParen)
 		{
-			expectToken(Token::COMMA);
+			expectToken(Token::Comma);
 			arguments.push_back(parseExpression());
 		}
 	}
@@ -742,22 +764,22 @@ pair<vector<ASTPointer<Expression>>, vector<ASTPointer<ASTString>>> Parser::pars
 {
 	pair<vector<ASTPointer<Expression>>, vector<ASTPointer<ASTString>>> ret;
 	Token::Value token = m_scanner->getCurrentToken();
-	if (token == Token::LBRACE)
+	if (token == Token::LBrace)
 	{
 		// call({arg1 : 1, arg2 : 2 })
-		expectToken(Token::LBRACE);
-		while (m_scanner->getCurrentToken() != Token::RBRACE)
+		expectToken(Token::LBrace);
+		while (m_scanner->getCurrentToken() != Token::RBrace)
 		{
 			ret.second.push_back(expectIdentifierToken());
-			expectToken(Token::COLON);
+			expectToken(Token::Colon);
 			ret.first.push_back(parseExpression());
 
-			if (m_scanner->getCurrentToken() == Token::COMMA)
-				expectToken(Token::COMMA);
+			if (m_scanner->getCurrentToken() == Token::Comma)
+				expectToken(Token::Comma);
 			else
 				break;
 		}
-		expectToken(Token::RBRACE);
+		expectToken(Token::RBrace);
 	}
 	else
 		ret.first = parseFunctionCallListArguments();
@@ -771,11 +793,11 @@ bool Parser::peekVariableDefinition()
 	// (which include assignments to other expressions and pre-declared variables)
 	// We have a variable definition if we get a keyword that specifies a type name, or
 	// in the case of a user-defined type, we have two identifiers following each other.
-	return (m_scanner->getCurrentToken() == Token::MAPPING ||
-			m_scanner->getCurrentToken() == Token::VAR ||
+	return (m_scanner->getCurrentToken() == Token::Mapping ||
+			m_scanner->getCurrentToken() == Token::Var ||
 			((Token::isElementaryTypeName(m_scanner->getCurrentToken()) ||
-			  m_scanner->getCurrentToken() == Token::IDENTIFIER) &&
-			 m_scanner->peekNextToken() == Token::IDENTIFIER));
+			  m_scanner->getCurrentToken() == Token::Identifier) &&
+			 m_scanner->peekNextToken() == Token::Identifier));
 }
 
 void Parser::expectToken(Token::Value _value)
@@ -796,7 +818,7 @@ Token::Value Parser::expectAssignmentOperator()
 
 ASTPointer<ASTString> Parser::expectIdentifierToken()
 {
-	if (m_scanner->getCurrentToken() != Token::IDENTIFIER)
+	if (m_scanner->getCurrentToken() != Token::Identifier)
 		BOOST_THROW_EXCEPTION(createParserError("Expected identifier"));
 	return getLiteralAndAdvance();
 }
diff --git a/libsolidity/Parser.h b/libsolidity/Parser.h
index 19e0af1aa..5816fec40 100644
--- a/libsolidity/Parser.h
+++ b/libsolidity/Parser.h
@@ -50,6 +50,7 @@ private:
 		bool allowVar = false;
 		bool isStateVariable = false;
 		bool allowIndexed = false;
+		bool allowEmptyName = false;
 	};
 
 	///@{
diff --git a/libsolidity/Scanner.cpp b/libsolidity/Scanner.cpp
index b283ca10e..fc4bdb6b5 100644
--- a/libsolidity/Scanner.cpp
+++ b/libsolidity/Scanner.cpp
@@ -225,7 +225,7 @@ Token::Value Scanner::skipSingleLineComment()
 	// separately by the lexical grammar and becomes part of the
 	// stream of input elements for the syntactic grammar
 	while (advance() && !isLineTerminator(m_char)) { };
-	return Token::WHITESPACE;
+	return Token::Whitespace;
 }
 
 Token::Value Scanner::scanSingleLineDocComment()
@@ -255,7 +255,7 @@ Token::Value Scanner::scanSingleLineDocComment()
 		advance();
 	}
 	literal.complete();
-	return Token::COMMENT_LITERAL;
+	return Token::CommentLiteral;
 }
 
 Token::Value Scanner::skipMultiLineComment()
@@ -272,11 +272,11 @@ Token::Value Scanner::skipMultiLineComment()
 		if (ch == '*' && m_char == '/')
 		{
 			m_char = ' ';
-			return Token::WHITESPACE;
+			return Token::Whitespace;
 		}
 	}
 	// Unterminated multi-line comment.
-	return Token::ILLEGAL;
+	return Token::Illegal;
 }
 
 Token::Value Scanner::scanMultiLineDocComment()
@@ -319,9 +319,9 @@ Token::Value Scanner::scanMultiLineDocComment()
 	}
 	literal.complete();
 	if (!endFound)
-		return Token::ILLEGAL;
+		return Token::Illegal;
 	else
-		return Token::COMMENT_LITERAL;
+		return Token::CommentLiteral;
 }
 
 Token::Value Scanner::scanSlash()
@@ -331,7 +331,7 @@ Token::Value Scanner::scanSlash()
 	if (m_char == '/')
 	{
 		if (!advance()) /* double slash comment directly before EOS */
-			return  Token::WHITESPACE;
+			return  Token::Whitespace;
 		else if (m_char == '/')
 		{
 			// doxygen style /// comment
@@ -340,7 +340,7 @@ Token::Value Scanner::scanSlash()
 			comment = scanSingleLineDocComment();
 			m_nextSkippedComment.location.end = getSourcePos();
 			m_nextSkippedComment.token = comment;
-			return Token::WHITESPACE;
+			return Token::Whitespace;
 		}
 		else
 			return skipSingleLineComment();
@@ -349,7 +349,7 @@ Token::Value Scanner::scanSlash()
 	{
 		// doxygen style /** natspec comment
 		if (!advance()) /* slash star comment before EOS */
-			return Token::WHITESPACE;
+			return Token::Whitespace;
 		else if (m_char == '*')
 		{
 			advance(); //consume the last '*' at /**
@@ -366,15 +366,15 @@ Token::Value Scanner::scanSlash()
 				m_nextSkippedComment.location.end = getSourcePos();
 				m_nextSkippedComment.token = comment;
 			}
-			return Token::WHITESPACE;
+			return Token::Whitespace;
 		}
 		else
 			return skipMultiLineComment();
 	}
 	else if (m_char == '=')
-		return selectToken(Token::ASSIGN_DIV);
+		return selectToken(Token::AssignDiv);
 	else
-		return Token::DIV;
+		return Token::Div;
 }
 
 void Scanner::scanToken()
@@ -391,7 +391,7 @@ void Scanner::scanToken()
 		case '\n': // fall-through
 		case ' ':
 		case '\t':
-			token = selectToken(Token::WHITESPACE);
+			token = selectToken(Token::Whitespace);
 			break;
 		case '"':
 		case '\'':
@@ -401,79 +401,76 @@ void Scanner::scanToken()
 			// < <= << <<=
 			advance();
 			if (m_char == '=')
-				token = selectToken(Token::LTE);
+				token = selectToken(Token::LessThanOrEqual);
 			else if (m_char == '<')
-				token = selectToken('=', Token::ASSIGN_SHL, Token::SHL);
+				token = selectToken('=', Token::AssignShl, Token::SHL);
 			else
-				token = Token::LT;
+				token = Token::LessThan;
 			break;
 		case '>':
 			// > >= >> >>= >>> >>>=
 			advance();
 			if (m_char == '=')
-				token = selectToken(Token::GTE);
+				token = selectToken(Token::GreaterThanOrEqual);
 			else if (m_char == '>')
 			{
 				// >> >>= >>> >>>=
 				advance();
 				if (m_char == '=')
-					token = selectToken(Token::ASSIGN_SAR);
+					token = selectToken(Token::AssignSar);
 				else if (m_char == '>')
-					token = selectToken('=', Token::ASSIGN_SHR, Token::SHR);
+					token = selectToken('=', Token::AssignShr, Token::SHR);
 				else
 					token = Token::SAR;
 			}
 			else
-				token = Token::GT;
+				token = Token::GreaterThan;
 			break;
 		case '=':
 			// = == =>
 			advance();
 			if (m_char == '=')
-				token = selectToken(Token::EQ);
+				token = selectToken(Token::Equal);
 			else if (m_char == '>')
-				token = selectToken(Token::ARROW);
+				token = selectToken(Token::Arrow);
 			else
-				token = Token::ASSIGN;
+				token = Token::Assign;
 			break;
 		case '!':
 			// ! !=
 			advance();
 			if (m_char == '=')
-				token = selectToken(Token::NE);
+				token = selectToken(Token::NotEqual);
 			else
-				token = Token::NOT;
+				token = Token::Not;
 			break;
 		case '+':
 			// + ++ +=
 			advance();
 			if (m_char == '+')
-				token = selectToken(Token::INC);
+				token = selectToken(Token::Inc);
 			else if (m_char == '=')
-				token = selectToken(Token::ASSIGN_ADD);
+				token = selectToken(Token::AssignAdd);
 			else
-				token = Token::ADD;
+				token = Token::Add;
 			break;
 		case '-':
 			// - -- -=
 			advance();
 			if (m_char == '-')
-			{
-				advance();
-				token = Token::DEC;
-			}
+				token = selectToken(Token::Dec);
 			else if (m_char == '=')
-				token = selectToken(Token::ASSIGN_SUB);
+				token = selectToken(Token::AssignSub);
 			else
-				token = Token::SUB;
+				token = Token::Sub;
 			break;
 		case '*':
 			// * *=
-			token = selectToken('=', Token::ASSIGN_MUL, Token::MUL);
+			token = selectToken('=', Token::AssignMul, Token::Mul);
 			break;
 		case '%':
 			// % %=
-			token = selectToken('=', Token::ASSIGN_MOD, Token::MOD);
+			token = selectToken('=', Token::AssignMod, Token::Mod);
 			break;
 		case '/':
 			// /  // /* /=
@@ -483,25 +480,25 @@ void Scanner::scanToken()
 			// & && &=
 			advance();
 			if (m_char == '&')
-				token = selectToken(Token::AND);
+				token = selectToken(Token::And);
 			else if (m_char == '=')
-				token = selectToken(Token::ASSIGN_BIT_AND);
+				token = selectToken(Token::AssignBitAnd);
 			else
-				token = Token::BIT_AND;
+				token = Token::BitAnd;
 			break;
 		case '|':
 			// | || |=
 			advance();
 			if (m_char == '|')
-				token = selectToken(Token::OR);
+				token = selectToken(Token::Or);
 			else if (m_char == '=')
-				token = selectToken(Token::ASSIGN_BIT_OR);
+				token = selectToken(Token::AssignBitOr);
 			else
-				token = Token::BIT_OR;
+				token = Token::BitOr;
 			break;
 		case '^':
 			// ^ ^=
-			token = selectToken('=', Token::ASSIGN_BIT_XOR, Token::BIT_XOR);
+			token = selectToken('=', Token::AssignBitXor, Token::BitXor);
 			break;
 		case '.':
 			// . Number
@@ -509,40 +506,40 @@ void Scanner::scanToken()
 			if (isDecimalDigit(m_char))
 				token = scanNumber('.');
 			else
-				token = Token::PERIOD;
+				token = Token::Period;
 			break;
 		case ':':
-			token = selectToken(Token::COLON);
+			token = selectToken(Token::Colon);
 			break;
 		case ';':
-			token = selectToken(Token::SEMICOLON);
+			token = selectToken(Token::Semicolon);
 			break;
 		case ',':
-			token = selectToken(Token::COMMA);
+			token = selectToken(Token::Comma);
 			break;
 		case '(':
-			token = selectToken(Token::LPAREN);
+			token = selectToken(Token::LParen);
 			break;
 		case ')':
-			token = selectToken(Token::RPAREN);
+			token = selectToken(Token::RParen);
 			break;
 		case '[':
-			token = selectToken(Token::LBRACK);
+			token = selectToken(Token::LBrack);
 			break;
 		case ']':
-			token = selectToken(Token::RBRACK);
+			token = selectToken(Token::RBrack);
 			break;
 		case '{':
-			token = selectToken(Token::LBRACE);
+			token = selectToken(Token::LBrace);
 			break;
 		case '}':
-			token = selectToken(Token::RBRACE);
+			token = selectToken(Token::RBrace);
 			break;
 		case '?':
-			token = selectToken(Token::CONDITIONAL);
+			token = selectToken(Token::Conditional);
 			break;
 		case '~':
-			token = selectToken(Token::BIT_NOT);
+			token = selectToken(Token::BitNot);
 			break;
 		default:
 			if (isIdentifierStart(m_char))
@@ -550,17 +547,17 @@ void Scanner::scanToken()
 			else if (isDecimalDigit(m_char))
 				token = scanNumber();
 			else if (skipWhitespace())
-				token = Token::WHITESPACE;
+				token = Token::Whitespace;
 			else if (isSourcePastEndOfInput())
 				token = Token::EOS;
 			else
-				token = selectToken(Token::ILLEGAL);
+				token = selectToken(Token::Illegal);
 			break;
 		}
 		// Continue scanning for tokens as long as we're just skipping
 		// whitespace.
 	}
-	while (token == Token::WHITESPACE);
+	while (token == Token::Whitespace);
 	m_nextToken.location.end = getSourcePos();
 	m_nextToken.token = token;
 }
@@ -618,16 +615,16 @@ Token::Value Scanner::scanString()
 		if (c == '\\')
 		{
 			if (isSourcePastEndOfInput() || !scanEscape())
-				return Token::ILLEGAL;
+				return Token::Illegal;
 		}
 		else
 			addLiteralChar(c);
 	}
 	if (m_char != quote)
-		return Token::ILLEGAL;
+		return Token::Illegal;
 	literal.complete();
 	advance();  // consume quote
-	return Token::STRING_LITERAL;
+	return Token::StringLiteral;
 }
 
 void Scanner::scanDecimalDigits()
@@ -660,7 +657,7 @@ Token::Value Scanner::scanNumber(char _charSeen)
 				kind = HEX;
 				addLiteralCharAndAdvance();
 				if (!isHexDigit(m_char))
-					return Token::ILLEGAL; // we must have at least one hex digit after 'x'/'X'
+					return Token::Illegal; // we must have at least one hex digit after 'x'/'X'
 				while (isHexDigit(m_char))
 					addLiteralCharAndAdvance();
 			}
@@ -681,13 +678,13 @@ Token::Value Scanner::scanNumber(char _charSeen)
 	{
 		solAssert(kind != HEX, "'e'/'E' must be scanned as part of the hex number");
 		if (kind != DECIMAL)
-			return Token::ILLEGAL;
+			return Token::Illegal;
 		// scan exponent
 		addLiteralCharAndAdvance();
 		if (m_char == '+' || m_char == '-')
 			addLiteralCharAndAdvance();
 		if (!isDecimalDigit(m_char))
-			return Token::ILLEGAL; // we must have at least one decimal digit after 'e'/'E'
+			return Token::Illegal; // we must have at least one decimal digit after 'e'/'E'
 		scanDecimalDigits();
 	}
 	// The source character immediately following a numeric literal must
@@ -695,9 +692,9 @@ Token::Value Scanner::scanNumber(char _charSeen)
 	// section 7.8.3, page 17 (note that we read only one decimal digit
 	// if the value is 0).
 	if (isDecimalDigit(m_char) || isIdentifierStart(m_char))
-		return Token::ILLEGAL;
+		return Token::Illegal;
 	literal.complete();
-	return Token::NUMBER;
+	return Token::Number;
 }
 
 Token::Value Scanner::scanIdentifierOrKeyword()
diff --git a/libsolidity/Token.cpp b/libsolidity/Token.cpp
index 7dc56c327..d07d75021 100644
--- a/libsolidity/Token.cpp
+++ b/libsolidity/Token.cpp
@@ -80,7 +80,6 @@ char const Token::m_tokenType[] =
 {
 	TOKEN_LIST(KT, KK)
 };
-
 Token::Value Token::fromIdentifierOrKeyword(const std::string& _name)
 {
 	// The following macros are used inside TOKEN_LIST and cause non-keyword tokens to be ignored
@@ -91,7 +90,7 @@ Token::Value Token::fromIdentifierOrKeyword(const std::string& _name)
 #undef KEYWORD
 #undef TOKEN
 	auto it = keywords.find(_name);
-	return it == keywords.end() ? Token::IDENTIFIER : it->second;
+	return it == keywords.end() ? Token::Identifier : it->second;
 }
 
 #undef KT
diff --git a/libsolidity/Token.h b/libsolidity/Token.h
index 76e504499..b913f0cec 100644
--- a/libsolidity/Token.h
+++ b/libsolidity/Token.h
@@ -47,11 +47,6 @@
 #include <libsolidity/Utils.h>
 #include <libsolidity/Exceptions.h>
 
-#if defined(DELETE)
-#undef DELETE
-//#error The macro "DELETE" from windows.h conflicts with this file. Please change the order of includes.
-#endif
-
 namespace dev
 {
 namespace solidity
@@ -77,262 +72,267 @@ namespace solidity
 	T(EOS, "EOS", 0)                                                   \
 	\
 	/* Punctuators (ECMA-262, section 7.7, page 15). */                \
-	T(LPAREN, "(", 0)                                                  \
-	T(RPAREN, ")", 0)                                                  \
-	T(LBRACK, "[", 0)                                                  \
-	T(RBRACK, "]", 0)                                                  \
-	T(LBRACE, "{", 0)                                                  \
-	T(RBRACE, "}", 0)                                                  \
-	T(COLON, ":", 0)                                                   \
-	T(SEMICOLON, ";", 0)                                               \
-	T(PERIOD, ".", 0)                                                  \
-	T(CONDITIONAL, "?", 3)                                             \
-	T(ARROW, "=>", 0)                                                  \
+	T(LParen, "(", 0)                                                  \
+	T(RParen, ")", 0)                                                  \
+	T(LBrack, "[", 0)                                                  \
+	T(RBrack, "]", 0)                                                  \
+	T(LBrace, "{", 0)                                                  \
+	T(RBrace, "}", 0)                                                  \
+	T(Colon, ":", 0)                                                   \
+	T(Semicolon, ";", 0)                                               \
+	T(Period, ".", 0)                                                  \
+	T(Conditional, "?", 3)                                             \
+	T(Arrow, "=>", 0)                                                  \
 	\
 	/* Assignment operators. */                                        \
 	/* IsAssignmentOp() relies on this block of enum values being */   \
 	/* contiguous and sorted in the same order!*/                      \
-	T(ASSIGN, "=", 2)                                                  \
+	T(Assign, "=", 2)                                                  \
 	/* The following have to be in exactly the same order as the simple binary operators*/ \
-	T(ASSIGN_BIT_OR, "|=", 2)                                          \
-	T(ASSIGN_BIT_XOR, "^=", 2)                                         \
-	T(ASSIGN_BIT_AND, "&=", 2)                                         \
-	T(ASSIGN_SHL, "<<=", 2)                                            \
-	T(ASSIGN_SAR, ">>=", 2)                                            \
-	T(ASSIGN_SHR, ">>>=", 2)                                           \
-	T(ASSIGN_ADD, "+=", 2)                                             \
-	T(ASSIGN_SUB, "-=", 2)                                             \
-	T(ASSIGN_MUL, "*=", 2)                                             \
-	T(ASSIGN_DIV, "/=", 2)                                             \
-	T(ASSIGN_MOD, "%=", 2)                                             \
+	T(AssignBitOr, "|=", 2)                                          \
+	T(AssignBitXor, "^=", 2)                                         \
+	T(AssignBitAnd, "&=", 2)                                         \
+	T(AssignShl, "<<=", 2)                                            \
+	T(AssignSar, ">>=", 2)                                            \
+	T(AssignShr, ">>>=", 2)                                           \
+	T(AssignAdd, "+=", 2)                                             \
+	T(AssignSub, "-=", 2)                                             \
+	T(AssignMul, "*=", 2)                                             \
+	T(AssignDiv, "/=", 2)                                             \
+	T(AssignMod, "%=", 2)                                             \
 	\
 	/* Binary operators sorted by precedence. */                       \
 	/* IsBinaryOp() relies on this block of enum values */             \
 	/* being contiguous and sorted in the same order! */               \
-	T(COMMA, ",", 1)                                                   \
-	T(OR, "||", 4)                                                     \
-	T(AND, "&&", 5)                                                    \
-	T(BIT_OR, "|", 8)                                                  \
-	T(BIT_XOR, "^", 9)                                                 \
-	T(BIT_AND, "&", 10)                                                \
+	T(Comma, ",", 1)                                                   \
+	T(Or, "||", 4)                                                     \
+	T(And, "&&", 5)                                                    \
+	T(BitOr, "|", 8)                                                  \
+	T(BitXor, "^", 9)                                                 \
+	T(BitAnd, "&", 10)                                                \
 	T(SHL, "<<", 11)                                                   \
 	T(SAR, ">>", 11)                                                   \
 	T(SHR, ">>>", 11)                                                  \
-	T(ADD, "+", 12)                                                    \
-	T(SUB, "-", 12)                                                    \
-	T(MUL, "*", 13)                                                    \
-	T(DIV, "/", 13)                                                    \
-	T(MOD, "%", 13)                                                    \
+	T(Add, "+", 12)                                                    \
+	T(Sub, "-", 12)                                                    \
+	T(Mul, "*", 13)                                                    \
+	T(Div, "/", 13)                                                    \
+	T(Mod, "%", 13)                                                    \
 	\
 	/* Compare operators sorted by precedence. */                      \
 	/* IsCompareOp() relies on this block of enum values */            \
 	/* being contiguous and sorted in the same order! */               \
-	T(EQ, "==", 6)                                                     \
-	T(NE, "!=", 6)                                                     \
-	T(LT, "<", 7)                                                      \
-	T(GT, ">", 7)                                                      \
-	T(LTE, "<=", 7)                                                    \
-	T(GTE, ">=", 7)                                                    \
-	K(IN, "in", 7)                                                     \
+	T(Equal, "==", 6)                                                     \
+	T(NotEqual, "!=", 6)                                                     \
+	T(LessThan, "<", 7)                                                      \
+	T(GreaterThan, ">", 7)                                                      \
+	T(LessThanOrEqual, "<=", 7)                                                    \
+	T(GreaterThanOrEqual, ">=", 7)                                                    \
+	K(In, "in", 7)                                                     \
 	\
 	/* Unary operators. */                                             \
 	/* IsUnaryOp() relies on this block of enum values */              \
 	/* being contiguous and sorted in the same order! */               \
-	T(NOT, "!", 0)                                                     \
-	T(BIT_NOT, "~", 0)                                                 \
-	T(INC, "++", 0)                                                    \
-	T(DEC, "--", 0)                                                    \
-	K(DELETE, "delete", 0)                                             \
+	T(Not, "!", 0)                                                     \
+	T(BitNot, "~", 0)                                                 \
+	T(Inc, "++", 0)                                                    \
+	T(Dec, "--", 0)                                                    \
+	K(Delete, "delete", 0)                                             \
 	\
 	/* Keywords */                                                     \
-	K(BREAK, "break", 0)                                               \
-	K(CASE, "case", 0)                                                 \
-	K(CONST, "constant", 0)                                            \
-	K(CONTINUE, "continue", 0)                                         \
-	K(CONTRACT, "contract", 0)                                         \
-	K(DEFAULT, "default", 0)                                           \
-	K(DO, "do", 0)                                                     \
-	K(ELSE, "else", 0)                                                 \
-	K(EVENT, "event", 0)                                               \
-	K(IS, "is", 0)                                                     \
-	K(INDEXED, "indexed", 0)                                           \
-	K(FOR, "for", 0)                                                   \
-	K(FUNCTION, "function", 0)                                         \
-	K(IF, "if", 0)                                                     \
-	K(IMPORT, "import", 0)                                             \
-	K(MAPPING, "mapping", 0)                                           \
-	K(MODIFIER, "modifier", 0)                                         \
-	K(NEW, "new", 0)                                                   \
-	K(PUBLIC, "public", 0)                                             \
-	K(PRIVATE, "private", 0)                                           \
-	K(PROTECTED, "protected", 0)                                       \
-	K(RETURN, "return", 0)                                             \
-	K(RETURNS, "returns", 0)                                           \
-	K(STRUCT, "struct", 0)                                             \
-	K(SWITCH, "switch", 0)                                             \
-	K(VAR, "var", 0)                                                   \
-	K(WHILE, "while", 0)                                               \
+	K(Break, "break", 0)                                               \
+	K(Case, "case", 0)                                                 \
+	K(Const, "constant", 0)                                            \
+	K(Continue, "continue", 0)                                         \
+	K(Contract, "contract", 0)                                         \
+	K(Default, "default", 0)                                           \
+	K(Do, "do", 0)                                                     \
+	K(Else, "else", 0)                                                 \
+	K(Event, "event", 0)                                               \
+	K(Is, "is", 0)                                                     \
+	K(Indexed, "indexed", 0)                                           \
+	K(For, "for", 0)                                                   \
+	K(Function, "function", 0)                                         \
+	K(If, "if", 0)                                                     \
+	K(Import, "import", 0)                                             \
+	K(Mapping, "mapping", 0)                                           \
+	K(Modifier, "modifier", 0)                                         \
+	K(New, "new", 0)                                                   \
+	K(Public, "public", 0)                                             \
+	K(Private, "private", 0)                                           \
+	K(Protected, "protected", 0)                                       \
+	K(Return, "return", 0)                                             \
+	K(Returns, "returns", 0)                                           \
+	K(Struct, "struct", 0)                                             \
+	K(Switch, "switch", 0)                                             \
+	K(Var, "var", 0)                                                   \
+	K(While, "while", 0)                                               \
 	\
 	\
+	/* Ether subdenominations */                                        \
+	K(SubWei, "wei", 0)                                                 \
+	K(SubSzabo, "szabo", 0)                                             \
+	K(SubFinney, "finney", 0)                                           \
+	K(SubEther, "ether", 0)                                             \
 	/* type keywords, keep them in this order, keep int as first keyword
 	 * the implementation in Types.cpp has to be synced to this here
 	 *  TODO more to be added */                                       \
-	K(INT, "int", 0)                                                   \
-	K(INT8, "int8", 0)                                                 \
-	K(INT16, "int16", 0)                                               \
-	K(INT24, "int24", 0)                                               \
-	K(INT32, "int32", 0)                                               \
-	K(INT40, "int40", 0)                                               \
-	K(INT48, "int48", 0)                                               \
-	K(INT56, "int56", 0)                                               \
-	K(INT64, "int64", 0)                                               \
-	K(INT72, "int72", 0)                                               \
-	K(INT80, "int80", 0)                                               \
-	K(INT88, "int88", 0)                                               \
-	K(INT96, "int96", 0)                                               \
-	K(INT104, "int104", 0)                                             \
-	K(INT112, "int112", 0)                                             \
-	K(INT120, "int120", 0)                                             \
-	K(INT128, "int128", 0)                                             \
-	K(INT136, "int136", 0)                                             \
-	K(INT144, "int144", 0)                                             \
-	K(INT152, "int152", 0)                                             \
-	K(INT160, "int160", 0)                                             \
-	K(INT168, "int168", 0)                                             \
-	K(INT176, "int178", 0)                                             \
-	K(INT184, "int184", 0)                                             \
-	K(INT192, "int192", 0)                                             \
-	K(INT200, "int200", 0)                                             \
-	K(INT208, "int208", 0)                                             \
-	K(INT216, "int216", 0)                                             \
-	K(INT224, "int224", 0)                                             \
-	K(INT232, "int232", 0)                                             \
-	K(INT240, "int240", 0)                                             \
-	K(INT248, "int248", 0)                                             \
-	K(INT256, "int256", 0)                                             \
-	K(UINT, "uint", 0)                                                 \
-	K(UINT8, "uint8", 0)                                               \
-	K(UINT16, "uint16", 0)                                             \
-	K(UINT24, "uint24", 0)                                             \
-	K(UINT32, "uint32", 0)                                             \
-	K(UINT40, "uint40", 0)                                             \
-	K(UINT48, "uint48", 0)                                             \
-	K(UINT56, "uint56", 0)                                             \
-	K(UINT64, "uint64", 0)                                             \
-	K(UINT72, "uint72", 0)                                             \
-	K(UINT80, "uint80", 0)                                             \
-	K(UINT88, "uint88", 0)                                             \
-	K(UINT96, "uint96", 0)                                             \
-	K(UINT104, "uint104", 0)                                           \
-	K(UINT112, "uint112", 0)                                           \
-	K(UINT120, "uint120", 0)                                           \
-	K(UINT128, "uint128", 0)                                           \
-	K(UINT136, "uint136", 0)                                           \
-	K(UINT144, "uint144", 0)                                           \
-	K(UINT152, "uint152", 0)                                           \
-	K(UINT160, "uint160", 0)                                           \
-	K(UINT168, "uint168", 0)                                           \
-	K(UINT176, "uint178", 0)                                           \
-	K(UINT184, "uint184", 0)                                           \
-	K(UINT192, "uint192", 0)                                           \
-	K(UINT200, "uint200", 0)                                           \
-	K(UINT208, "uint208", 0)                                           \
-	K(UINT216, "uint216", 0)                                           \
-	K(UINT224, "uint224", 0)                                           \
-	K(UINT232, "uint232", 0)                                           \
-	K(UINT240, "uint240", 0)                                           \
-	K(UINT248, "uint248", 0)                                           \
-	K(UINT256, "uint256", 0)                                           \
-	K(HASH, "hash", 0)                                                 \
-	K(HASH8, "hash8", 0)                                               \
-	K(HASH16, "hash16", 0)                                             \
-	K(HASH24, "hash24", 0)                                             \
-	K(HASH32, "hash32", 0)                                             \
-	K(HASH40, "hash40", 0)                                             \
-	K(HASH48, "hash48", 0)                                             \
-	K(HASH56, "hash56", 0)                                             \
-	K(HASH64, "hash64", 0)                                             \
-	K(HASH72, "hash72", 0)                                             \
-	K(HASH80, "hash80", 0)                                             \
-	K(HASH88, "hash88", 0)                                             \
-	K(HASH96, "hash96", 0)                                             \
-	K(HASH104, "hash104", 0)                                           \
-	K(HASH112, "hash112", 0)                                           \
-	K(HASH120, "hash120", 0)                                           \
-	K(HASH128, "hash128", 0)                                           \
-	K(HASH136, "hash136", 0)                                           \
-	K(HASH144, "hash144", 0)                                           \
-	K(HASH152, "hash152", 0)                                           \
-	K(HASH160, "hash160", 0)                                           \
-	K(HASH168, "hash168", 0)                                           \
-	K(HASH176, "hash178", 0)                                           \
-	K(HASH184, "hash184", 0)                                           \
-	K(HASH192, "hash192", 0)                                           \
-	K(HASH200, "hash200", 0)                                           \
-	K(HASH208, "hash208", 0)                                           \
-	K(HASH216, "hash216", 0)                                           \
-	K(HASH224, "hash224", 0)                                           \
-	K(HASH232, "hash232", 0)                                           \
-	K(HASH240, "hash240", 0)                                           \
-	K(HASH248, "hash248", 0)                                           \
-	K(HASH256, "hash256", 0)                                           \
-	K(ADDRESS, "address", 0)                                           \
-	K(BOOL, "bool", 0)                                                 \
-	K(STRING_TYPE, "string", 0)                                        \
-	K(STRING0, "string0", 0)                                           \
-	K(STRING1, "string1", 0)                                           \
-	K(STRING2, "string2", 0)                                           \
-	K(STRING3, "string3", 0)                                           \
-	K(STRING4, "string4", 0)                                           \
-	K(STRING5, "string5", 0)                                           \
-	K(STRING6, "string6", 0)                                           \
-	K(STRING7, "string7", 0)                                           \
-	K(STRING8, "string8", 0)                                           \
-	K(STRING9, "string9", 0)                                           \
-	K(STRING10, "string10", 0)                                         \
-	K(STRING11, "string11", 0)                                         \
-	K(STRING12, "string12", 0)                                         \
-	K(STRING13, "string13", 0)                                         \
-	K(STRING14, "string14", 0)                                         \
-	K(STRING15, "string15", 0)                                         \
-	K(STRING16, "string16", 0)                                         \
-	K(STRING17, "string17", 0)                                         \
-	K(STRING18, "string18", 0)                                         \
-	K(STRING19, "string19", 0)                                         \
-	K(STRING20, "string20", 0)                                         \
-	K(STRING21, "string21", 0)                                         \
-	K(STRING22, "string22", 0)                                         \
-	K(STRING23, "string23", 0)                                         \
-	K(STRING24, "string24", 0)                                         \
-	K(STRING25, "string25", 0)                                         \
-	K(STRING26, "string26", 0)                                         \
-	K(STRING27, "string27", 0)                                         \
-	K(STRING28, "string28", 0)                                         \
-	K(STRING29, "string29", 0)                                         \
-	K(STRING30, "string30", 0)                                         \
-	K(STRING31, "string31", 0)                                         \
-	K(STRING32, "string32", 0)                                         \
-	K(TEXT, "text", 0)                                                 \
-	K(REAL, "real", 0)                                                 \
-	K(UREAL, "ureal", 0)                                               \
-	T(TYPES_END, NULL, 0) /* used as type enum end marker */           \
+	K(Int, "int", 0)                                                   \
+	K(Int8, "int8", 0)                                                 \
+	K(Int16, "int16", 0)                                               \
+	K(Int24, "int24", 0)                                               \
+	K(Int32, "int32", 0)                                               \
+	K(Int40, "int40", 0)                                               \
+	K(Int48, "int48", 0)                                               \
+	K(Int56, "int56", 0)                                               \
+	K(Int64, "int64", 0)                                               \
+	K(Int72, "int72", 0)                                               \
+	K(Int80, "int80", 0)                                               \
+	K(Int88, "int88", 0)                                               \
+	K(Int96, "int96", 0)                                               \
+	K(Int104, "int104", 0)                                             \
+	K(Int112, "int112", 0)                                             \
+	K(Int120, "int120", 0)                                             \
+	K(Int128, "int128", 0)                                             \
+	K(Int136, "int136", 0)                                             \
+	K(Int144, "int144", 0)                                             \
+	K(Int152, "int152", 0)                                             \
+	K(Int160, "int160", 0)                                             \
+	K(Int168, "int168", 0)                                             \
+	K(Int176, "int178", 0)                                             \
+	K(Int184, "int184", 0)                                             \
+	K(Int192, "int192", 0)                                             \
+	K(Int200, "int200", 0)                                             \
+	K(Int208, "int208", 0)                                             \
+	K(Int216, "int216", 0)                                             \
+	K(Int224, "int224", 0)                                             \
+	K(Int232, "int232", 0)                                             \
+	K(Int240, "int240", 0)                                             \
+	K(Int248, "int248", 0)                                             \
+	K(Int256, "int256", 0)                                             \
+	K(UInt, "uint", 0)                                                 \
+	K(UInt8, "uint8", 0)                                               \
+	K(UInt16, "uint16", 0)                                             \
+	K(UInt24, "uint24", 0)                                             \
+	K(UInt32, "uint32", 0)                                             \
+	K(UInt40, "uint40", 0)                                             \
+	K(UInt48, "uint48", 0)                                             \
+	K(UInt56, "uint56", 0)                                             \
+	K(UInt64, "uint64", 0)                                             \
+	K(UInt72, "uint72", 0)                                             \
+	K(UInt80, "uint80", 0)                                             \
+	K(UInt88, "uint88", 0)                                             \
+	K(UInt96, "uint96", 0)                                             \
+	K(UInt104, "uint104", 0)                                           \
+	K(UInt112, "uint112", 0)                                           \
+	K(UInt120, "uint120", 0)                                           \
+	K(UInt128, "uint128", 0)                                           \
+	K(UInt136, "uint136", 0)                                           \
+	K(UInt144, "uint144", 0)                                           \
+	K(UInt152, "uint152", 0)                                           \
+	K(UInt160, "uint160", 0)                                           \
+	K(UInt168, "uint168", 0)                                           \
+	K(UInt176, "uint178", 0)                                           \
+	K(UInt184, "uint184", 0)                                           \
+	K(UInt192, "uint192", 0)                                           \
+	K(UInt200, "uint200", 0)                                           \
+	K(UInt208, "uint208", 0)                                           \
+	K(UInt216, "uint216", 0)                                           \
+	K(UInt224, "uint224", 0)                                           \
+	K(UInt232, "uint232", 0)                                           \
+	K(UInt240, "uint240", 0)                                           \
+	K(UInt248, "uint248", 0)                                           \
+	K(UInt256, "uint256", 0)                                           \
+	K(Hash, "hash", 0)                                                 \
+	K(Hash8, "hash8", 0)                                               \
+	K(Hash16, "hash16", 0)                                             \
+	K(Hash24, "hash24", 0)                                             \
+	K(Hash32, "hash32", 0)                                             \
+	K(Hash40, "hash40", 0)                                             \
+	K(Hash48, "hash48", 0)                                             \
+	K(Hash56, "hash56", 0)                                             \
+	K(Hash64, "hash64", 0)                                             \
+	K(Hash72, "hash72", 0)                                             \
+	K(Hash80, "hash80", 0)                                             \
+	K(Hash88, "hash88", 0)                                             \
+	K(Hash96, "hash96", 0)                                             \
+	K(Hash104, "hash104", 0)                                           \
+	K(Hash112, "hash112", 0)                                           \
+	K(Hash120, "hash120", 0)                                           \
+	K(Hash128, "hash128", 0)                                           \
+	K(Hash136, "hash136", 0)                                           \
+	K(Hash144, "hash144", 0)                                           \
+	K(Hash152, "hash152", 0)                                           \
+	K(Hash160, "hash160", 0)                                           \
+	K(Hash168, "hash168", 0)                                           \
+	K(Hash176, "hash178", 0)                                           \
+	K(Hash184, "hash184", 0)                                           \
+	K(Hash192, "hash192", 0)                                           \
+	K(Hash200, "hash200", 0)                                           \
+	K(Hash208, "hash208", 0)                                           \
+	K(Hash216, "hash216", 0)                                           \
+	K(Hash224, "hash224", 0)                                           \
+	K(Hash232, "hash232", 0)                                           \
+	K(Hash240, "hash240", 0)                                           \
+	K(Hash248, "hash248", 0)                                           \
+	K(Hash256, "hash256", 0)                                           \
+	K(Address, "address", 0)                                           \
+	K(Bool, "bool", 0)                                                 \
+	K(StringType, "string", 0)                                        \
+	K(String0, "string0", 0)                                           \
+	K(String1, "string1", 0)                                           \
+	K(String2, "string2", 0)                                           \
+	K(String3, "string3", 0)                                           \
+	K(String4, "string4", 0)                                           \
+	K(String5, "string5", 0)                                           \
+	K(String6, "string6", 0)                                           \
+	K(String7, "string7", 0)                                           \
+	K(String8, "string8", 0)                                           \
+	K(String9, "string9", 0)                                           \
+	K(String10, "string10", 0)                                         \
+	K(String11, "string11", 0)                                         \
+	K(String12, "string12", 0)                                         \
+	K(String13, "string13", 0)                                         \
+	K(String14, "string14", 0)                                         \
+	K(String15, "string15", 0)                                         \
+	K(String16, "string16", 0)                                         \
+	K(String17, "string17", 0)                                         \
+	K(String18, "string18", 0)                                         \
+	K(String19, "string19", 0)                                         \
+	K(String20, "string20", 0)                                         \
+	K(String21, "string21", 0)                                         \
+	K(String22, "string22", 0)                                         \
+	K(String23, "string23", 0)                                         \
+	K(String24, "string24", 0)                                         \
+	K(String25, "string25", 0)                                         \
+	K(String26, "string26", 0)                                         \
+	K(String27, "string27", 0)                                         \
+	K(String28, "string28", 0)                                         \
+	K(String29, "string29", 0)                                         \
+	K(String30, "string30", 0)                                         \
+	K(String31, "string31", 0)                                         \
+	K(String32, "string32", 0)                                         \
+	K(Text, "text", 0)                                                 \
+	K(Real, "real", 0)                                                 \
+	K(UReal, "ureal", 0)                                               \
+	T(TypesEnd, NULL, 0) /* used as type enum end marker */           \
 	\
 	/* Literals */                                                     \
-	K(NULL_LITERAL, "null", 0)                                         \
-	K(TRUE_LITERAL, "true", 0)                                         \
-	K(FALSE_LITERAL, "false", 0)                                       \
-	T(NUMBER, NULL, 0)                                                 \
-	T(STRING_LITERAL, NULL, 0)                                         \
-	T(COMMENT_LITERAL, NULL, 0)                                        \
+	K(NullLiteral, "null", 0)                                         \
+	K(TrueLiteral, "true", 0)                                         \
+	K(FalseLiteral, "false", 0)                                       \
+	T(Number, NULL, 0)                                                 \
+	T(StringLiteral, NULL, 0)                                         \
+	T(CommentLiteral, NULL, 0)                                        \
 	\
 	/* Identifiers (not keywords or future reserved words). */         \
-	T(IDENTIFIER, NULL, 0)                                             \
+	T(Identifier, NULL, 0)                                             \
 	\
 	/* Illegal token - not able to scan. */                            \
-	T(ILLEGAL, "ILLEGAL", 0)                                           \
+	T(Illegal, "ILLEGAL", 0)                                           \
 	\
 	/* Scanner-internal use only. */                                   \
-	T(WHITESPACE, NULL, 0)
+	T(Whitespace, NULL, 0)
 
 
 class Token
@@ -359,25 +359,26 @@ public:
 	}
 
 	// Predicates
-	static bool isElementaryTypeName(Value tok) { return INT <= tok && tok < TYPES_END; }
-	static bool isAssignmentOp(Value tok) { return ASSIGN <= tok && tok <= ASSIGN_MOD; }
-	static bool isBinaryOp(Value op) { return COMMA <= op && op <= MOD; }
-	static bool isCommutativeOp(Value op) { return op == BIT_OR || op == BIT_XOR || op == BIT_AND ||
-				op == ADD || op == MUL || op == EQ || op == NE; }
-	static bool isArithmeticOp(Value op) { return ADD <= op && op <= MOD; }
-	static bool isCompareOp(Value op) { return EQ <= op && op <= IN; }
+	static bool isElementaryTypeName(Value tok) { return Int <= tok && tok < TypesEnd; }
+	static bool isAssignmentOp(Value tok) { return Assign <= tok && tok <= AssignMod; }
+	static bool isBinaryOp(Value op) { return Comma <= op && op <= Mod; }
+	static bool isCommutativeOp(Value op) { return op == BitOr || op == BitXor || op == BitAnd ||
+				op == Add || op == Mul || op == Equal || op == NotEqual; }
+	static bool isArithmeticOp(Value op) { return Add <= op && op <= Mod; }
+	static bool isCompareOp(Value op) { return Equal <= op && op <= In; }
 
 	static Value AssignmentToBinaryOp(Value op)
 	{
-		solAssert(isAssignmentOp(op) && op != ASSIGN, "");
-		return Token::Value(op + (BIT_OR - ASSIGN_BIT_OR));
+		solAssert(isAssignmentOp(op) && op != Assign, "");
+		return Token::Value(op + (BitOr - AssignBitOr));
 	}
 
-	static bool isBitOp(Value op) { return (BIT_OR <= op && op <= SHR) || op == BIT_NOT; }
-	static bool isUnaryOp(Value op) { return (NOT <= op && op <= DELETE) || op == ADD || op == SUB; }
-	static bool isCountOp(Value op) { return op == INC || op == DEC; }
+	static bool isBitOp(Value op) { return (BitOr <= op && op <= SHR) || op == BitNot; }
+	static bool isUnaryOp(Value op) { return (Not <= op && op <= Delete) || op == Add || op == Sub; }
+	static bool isCountOp(Value op) { return op == Inc || op == Dec; }
 	static bool isShiftOp(Value op) { return (SHL <= op) && (op <= SHR); }
-	static bool isVisibilitySpecifier(Value op) { return op == PUBLIC || op == PRIVATE || op == PROTECTED; }
+	static bool isVisibilitySpecifier(Value op) { return op == Public || op == Private || op == Protected; }
+	static bool isEtherSubdenomination(Value op) { return op == SubWei || op == SubSzabo || op == SubFinney || op == Token::SubEther; }
 
 	// Returns a string corresponding to the JS token string
 	// (.e., "<" for the token LT) or NULL if the token doesn't
diff --git a/libsolidity/Types.cpp b/libsolidity/Types.cpp
index 54e701c10..6fd9e8b4c 100644
--- a/libsolidity/Types.cpp
+++ b/libsolidity/Types.cpp
@@ -37,24 +37,24 @@ shared_ptr<Type const> Type::fromElementaryTypeName(Token::Value _typeToken)
 {
 	solAssert(Token::isElementaryTypeName(_typeToken), "Elementary type name expected.");
 
-	if (Token::INT <= _typeToken && _typeToken <= Token::HASH256)
+	if (Token::Int <= _typeToken && _typeToken <= Token::Hash256)
 	{
-		int offset = _typeToken - Token::INT;
+		int offset = _typeToken - Token::Int;
 		int bytes = offset % 33;
 		if (bytes == 0)
 			bytes = 32;
 		int modifier = offset / 33;
 		return make_shared<IntegerType>(bytes * 8,
-										modifier == 0 ? IntegerType::Modifier::SIGNED :
-										modifier == 1 ? IntegerType::Modifier::UNSIGNED :
-										IntegerType::Modifier::HASH);
+										modifier == 0 ? IntegerType::Modifier::Signed :
+										modifier == 1 ? IntegerType::Modifier::Unsigned :
+										IntegerType::Modifier::Hash);
 	}
-	else if (_typeToken == Token::ADDRESS)
-		return make_shared<IntegerType>(0, IntegerType::Modifier::ADDRESS);
-	else if (_typeToken == Token::BOOL)
+	else if (_typeToken == Token::Address)
+		return make_shared<IntegerType>(0, IntegerType::Modifier::Address);
+	else if (_typeToken == Token::Bool)
 		return make_shared<BoolType>();
-	else if (Token::STRING0 <= _typeToken && _typeToken <= Token::STRING32)
-		return make_shared<StaticStringType>(int(_typeToken) - int(Token::STRING0));
+	else if (Token::String0 <= _typeToken && _typeToken <= Token::String32)
+		return make_shared<StaticStringType>(int(_typeToken) - int(Token::String0));
 	else
 		BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Unable to convert elementary typename " +
 																		 std::string(Token::toString(_typeToken)) + " to type."));
@@ -87,12 +87,12 @@ shared_ptr<Type const> Type::forLiteral(Literal const& _literal)
 {
 	switch (_literal.getToken())
 	{
-	case Token::TRUE_LITERAL:
-	case Token::FALSE_LITERAL:
+	case Token::TrueLiteral:
+	case Token::FalseLiteral:
 		return make_shared<BoolType>();
-	case Token::NUMBER:
-		return IntegerConstantType::fromLiteral(_literal.getValue());
-	case Token::STRING_LITERAL:
+	case Token::Number:
+		return make_shared<IntegerConstantType>(_literal);
+	case Token::StringLiteral:
 		//@todo put larger strings into dynamic strings
 		return StaticStringType::smallestTypeForLiteral(_literal.getValue());
 	default:
@@ -140,31 +140,31 @@ bool IntegerType::isImplicitlyConvertibleTo(Type const& _convertTo) const
 
 bool IntegerType::isExplicitlyConvertibleTo(Type const& _convertTo) const
 {
-	if (_convertTo.getCategory() == Category::STRING)
+	if (_convertTo.getCategory() == Category::String)
 	{
 		StaticStringType const& convertTo = dynamic_cast<StaticStringType const&>(_convertTo);
 		return isHash() && (m_bits == convertTo.getNumBytes() * 8);
 	}
-	return _convertTo.getCategory() == getCategory() || _convertTo.getCategory() == Category::CONTRACT;
+	return _convertTo.getCategory() == getCategory() || _convertTo.getCategory() == Category::Contract;
 }
 
 TypePointer IntegerType::unaryOperatorResult(Token::Value _operator) const
 {
 	// "delete" is ok for all integer types
-	if (_operator == Token::DELETE)
+	if (_operator == Token::Delete)
 		return make_shared<VoidType>();
 	// no further unary operators for addresses
 	else if (isAddress())
 		return TypePointer();
 	// "~" is ok for all other types
-	else if (_operator == Token::BIT_NOT)
+	else if (_operator == Token::BitNot)
 		return shared_from_this();
 	// nothing else for hashes
 	else if (isHash())
 		return TypePointer();
 	// for non-hash integers, we allow +, -, ++ and --
-	else if (_operator == Token::ADD || _operator == Token::SUB ||
-			_operator == Token::INC || _operator == Token::DEC)
+	else if (_operator == Token::Add || _operator == Token::Sub ||
+			_operator == Token::Inc || _operator == Token::Dec)
 		return shared_from_this();
 	else
 		return TypePointer();
@@ -188,7 +188,7 @@ string IntegerType::toString() const
 
 TypePointer IntegerType::binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const
 {
-	if (_other->getCategory() != Category::INTEGER_CONSTANT && _other->getCategory() != getCategory())
+	if (_other->getCategory() != Category::IntegerConstant && _other->getCategory() != getCategory())
 		return TypePointer();
 	auto commonType = dynamic_pointer_cast<IntegerType const>(Type::commonType(shared_from_this(), _other));
 
@@ -210,15 +210,28 @@ TypePointer IntegerType::binaryOperatorResult(Token::Value _operator, TypePointe
 
 const MemberList IntegerType::AddressMemberList =
 	MemberList({{"balance", make_shared<IntegerType >(256)},
-				{"callstring32", make_shared<FunctionType>(strings{"string32"}, strings{},
-														   FunctionType::Location::BARE)},
-				{"callstring32string32", make_shared<FunctionType>(strings{"string32", "string32"},
-																   strings{}, FunctionType::Location::BARE)},
-				{"send", make_shared<FunctionType>(strings{"uint"}, strings{}, FunctionType::Location::SEND)}});
+				{"call", make_shared<FunctionType>(strings(), strings(), FunctionType::Location::Bare, true)},
+				{"send", make_shared<FunctionType>(strings{"uint"}, strings{}, FunctionType::Location::Send)}});
 
-shared_ptr<IntegerConstantType const> IntegerConstantType::fromLiteral(string const& _literal)
+IntegerConstantType::IntegerConstantType(Literal const& _literal)
 {
-	return make_shared<IntegerConstantType>(bigint(_literal));
+	m_value = bigint(_literal.getValue());
+
+	switch (_literal.getSubDenomination())
+	{
+	case Literal::SubDenomination::Wei:
+	case Literal::SubDenomination::None:
+		break;
+	case Literal::SubDenomination::Szabo:
+		m_value *= bigint("1000000000000");
+		break;
+	case Literal::SubDenomination::Finney:
+		m_value *= bigint("1000000000000000");
+		break;
+	case Literal::SubDenomination::Ether:
+		m_value *= bigint("1000000000000000000");
+		break;
+	}
 }
 
 bool IntegerConstantType::isImplicitlyConvertibleTo(Type const& _convertTo) const
@@ -238,13 +251,13 @@ TypePointer IntegerConstantType::unaryOperatorResult(Token::Value _operator) con
 	bigint value;
 	switch (_operator)
 	{
-	case Token::BIT_NOT:
+	case Token::BitNot:
 		value = ~m_value;
 		break;
-	case Token::ADD:
+	case Token::Add:
 		value = m_value;
 		break;
-	case Token::SUB:
+	case Token::Sub:
 		value = -m_value;
 		break;
 	default:
@@ -255,7 +268,7 @@ TypePointer IntegerConstantType::unaryOperatorResult(Token::Value _operator) con
 
 TypePointer IntegerConstantType::binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const
 {
-	if (_other->getCategory() == Category::INTEGER)
+	if (_other->getCategory() == Category::Integer)
 	{
 		shared_ptr<IntegerType const> integerType = getIntegerType();
 		if (!integerType)
@@ -279,30 +292,30 @@ TypePointer IntegerConstantType::binaryOperatorResult(Token::Value _operator, Ty
 		bigint value;
 		switch (_operator)
 		{
-		case Token::BIT_OR:
+		case Token::BitOr:
 			value = m_value | other.m_value;
 			break;
-		case Token::BIT_XOR:
+		case Token::BitXor:
 			value = m_value ^ other.m_value;
 			break;
-		case Token::BIT_AND:
+		case Token::BitAnd:
 			value = m_value & other.m_value;
 			break;
-		case Token::ADD:
+		case Token::Add:
 			value = m_value + other.m_value;
 			break;
-		case Token::SUB:
+		case Token::Sub:
 			value = m_value - other.m_value;
 			break;
-		case Token::MUL:
+		case Token::Mul:
 			value = m_value * other.m_value;
 			break;
-		case Token::DIV:
+		case Token::Div:
 			if (other.m_value == 0)
 				return TypePointer();
 			value = m_value / other.m_value;
 			break;
-		case Token::MOD:
+		case Token::Mod:
 			if (other.m_value == 0)
 				return TypePointer();
 			value = m_value % other.m_value;
@@ -328,13 +341,24 @@ string IntegerConstantType::toString() const
 
 u256 IntegerConstantType::literalValue(Literal const*) const
 {
+	u256 value;
 	// we ignore the literal and hope that the type was correctly determined
 	solAssert(m_value <= u256(-1), "Integer constant too large.");
 	solAssert(m_value >= -(bigint(1) << 255), "Integer constant too small.");
+
 	if (m_value >= 0)
-		return u256(m_value);
+		value = u256(m_value);
 	else
-		return s2u(s256(m_value));
+		value = s2u(s256(m_value));
+
+	return value;
+}
+
+TypePointer IntegerConstantType::getRealType() const
+{
+	auto intType = getIntegerType();
+	solAssert(!!intType, "getRealType called with invalid integer constant " + toString());
+	return intType;
 }
 
 shared_ptr<IntegerType const> IntegerConstantType::getIntegerType() const
@@ -347,8 +371,8 @@ shared_ptr<IntegerType const> IntegerConstantType::getIntegerType() const
 		return shared_ptr<IntegerType const>();
 	else
 		return make_shared<IntegerType>(max(bytesRequired(value), 1u) * 8,
-										negative ? IntegerType::Modifier::SIGNED
-												 : IntegerType::Modifier::UNSIGNED);
+										negative ? IntegerType::Modifier::Signed
+												 : IntegerType::Modifier::Unsigned);
 }
 
 shared_ptr<StaticStringType> StaticStringType::smallestTypeForLiteral(string const& _literal)
@@ -374,13 +398,16 @@ bool StaticStringType::isImplicitlyConvertibleTo(Type const& _convertTo) const
 
 bool StaticStringType::isExplicitlyConvertibleTo(Type const& _convertTo) const
 {
-	if (_convertTo.getCategory() == Category::INTEGER)
+	if (_convertTo.getCategory() == getCategory())
+		return true;
+	if (_convertTo.getCategory() == Category::Integer)
 	{
 		IntegerType const& convertTo = dynamic_cast<IntegerType const&>(_convertTo);
 		if (convertTo.isHash() && (m_bytes * 8 == convertTo.getNumBits()))
 			return true;
 	}
-	return isImplicitlyConvertibleTo(_convertTo);
+
+	return false;
 }
 
 bool StaticStringType::operator==(Type const& _other) const
@@ -416,9 +443,9 @@ bool BoolType::isExplicitlyConvertibleTo(Type const& _convertTo) const
 u256 BoolType::literalValue(Literal const* _literal) const
 {
 	solAssert(_literal, "");
-	if (_literal->getToken() == Token::TRUE_LITERAL)
+	if (_literal->getToken() == Token::TrueLiteral)
 		return u256(1);
-	else if (_literal->getToken() == Token::FALSE_LITERAL)
+	else if (_literal->getToken() == Token::FalseLiteral)
 		return u256(0);
 	else
 		BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Bool type constructed from non-boolean literal."));
@@ -426,16 +453,16 @@ u256 BoolType::literalValue(Literal const* _literal) const
 
 TypePointer BoolType::unaryOperatorResult(Token::Value _operator) const
 {
-	if (_operator == Token::DELETE)
+	if (_operator == Token::Delete)
 		return make_shared<VoidType>();
-	return (_operator == Token::NOT) ? shared_from_this() : TypePointer();
+	return (_operator == Token::Not) ? shared_from_this() : TypePointer();
 }
 
 TypePointer BoolType::binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const
 {
 	if (getCategory() != _other->getCategory())
 		return TypePointer();
-	if (Token::isCompareOp(_operator) || _operator == Token::AND || _operator == Token::OR)
+	if (Token::isCompareOp(_operator) || _operator == Token::And || _operator == Token::Or)
 		return _other;
 	else
 		return TypePointer();
@@ -445,9 +472,9 @@ bool ContractType::isImplicitlyConvertibleTo(Type const& _convertTo) const
 {
 	if (*this == _convertTo)
 		return true;
-	if (_convertTo.getCategory() == Category::INTEGER)
+	if (_convertTo.getCategory() == Category::Integer)
 		return dynamic_cast<IntegerType const&>(_convertTo).isAddress();
-	if (_convertTo.getCategory() == Category::CONTRACT)
+	if (_convertTo.getCategory() == Category::Contract)
 	{
 		auto const& bases = getContractDefinition().getLinearizedBaseContracts();
 		if (m_super && bases.size() <= 1)
@@ -460,13 +487,13 @@ bool ContractType::isImplicitlyConvertibleTo(Type const& _convertTo) const
 
 bool ContractType::isExplicitlyConvertibleTo(Type const& _convertTo) const
 {
-	return isImplicitlyConvertibleTo(_convertTo) || _convertTo.getCategory() == Category::INTEGER ||
-			_convertTo.getCategory() == Category::CONTRACT;
+	return isImplicitlyConvertibleTo(_convertTo) || _convertTo.getCategory() == Category::Integer ||
+			_convertTo.getCategory() == Category::Contract;
 }
 
 TypePointer ContractType::unaryOperatorResult(Token::Value _operator) const
 {
-	return _operator == Token::DELETE ? make_shared<VoidType>() : TypePointer();
+	return _operator == Token::Delete ? make_shared<VoidType>() : TypePointer();
 }
 
 bool ContractType::operator==(Type const& _other) const
@@ -530,7 +557,7 @@ u256 ContractType::getFunctionIdentifier(string const& _functionName) const
 
 TypePointer StructType::unaryOperatorResult(Token::Value _operator) const
 {
-	return _operator == Token::DELETE ? make_shared<VoidType>() : TypePointer();
+	return _operator == Token::Delete ? make_shared<VoidType>() : TypePointer();
 }
 
 bool StructType::operator==(Type const& _other) const
@@ -589,7 +616,7 @@ u256 StructType::getStorageOffsetOfMember(string const& _name) const
 }
 
 FunctionType::FunctionType(FunctionDefinition const& _function, bool _isInternal):
-	m_location(_isInternal ? Location::INTERNAL : Location::EXTERNAL),
+	m_location(_isInternal ? Location::Internal : Location::External),
 	m_isConstant(_function.isDeclaredConst()),
 	m_declaration(&_function)
 {
@@ -619,26 +646,35 @@ FunctionType::FunctionType(FunctionDefinition const& _function, bool _isInternal
 }
 
 FunctionType::FunctionType(VariableDeclaration const& _varDecl):
-	m_location(Location::EXTERNAL), m_isConstant(true), m_declaration(&_varDecl)
+	m_location(Location::External), m_isConstant(true), m_declaration(&_varDecl)
 {
 	TypePointers params;
 	vector<string> paramNames;
-	TypePointers retParams;
-	vector<string> retParamNames;
-	TypePointer varDeclType = _varDecl.getType();
-	auto mappingType = dynamic_cast<MappingType const*>(varDeclType.get());
-	auto returnType = varDeclType;
+	auto returnType = _varDecl.getType();
 
-	while (mappingType != nullptr)
+	while (auto mappingType = dynamic_cast<MappingType const*>(returnType.get()))
 	{
 		params.push_back(mappingType->getKeyType());
 		paramNames.push_back("");
 		returnType = mappingType->getValueType();
-		mappingType = dynamic_cast<MappingType const*>(mappingType->getValueType().get());
 	}
 
-	retParams.push_back(returnType);
-	retParamNames.push_back("");
+	TypePointers retParams;
+	vector<string> retParamNames;
+	if (auto structType = dynamic_cast<StructType const*>(returnType.get()))
+	{
+		for (pair<string, TypePointer> const& member: structType->getMembers())
+			if (member.second->canLiveOutsideStorage())
+			{
+				retParamNames.push_back(member.first);
+				retParams.push_back(member.second);
+			}
+	}
+	else
+	{
+		retParams.push_back(returnType);
+		retParamNames.push_back("");
+	}
 
 	swap(params, m_parameterTypes);
 	swap(paramNames, m_parameterNames);
@@ -647,7 +683,7 @@ FunctionType::FunctionType(VariableDeclaration const& _varDecl):
 }
 
 FunctionType::FunctionType(const EventDefinition& _event):
-	m_location(Location::EVENT), m_declaration(&_event)
+	m_location(Location::Event), m_declaration(&_event)
 {
 	TypePointers params;
 	vector<string> paramNames;
@@ -704,9 +740,9 @@ string FunctionType::toString() const
 unsigned FunctionType::getSizeOnStack() const
 {
 	unsigned size = 0;
-	if (m_location == Location::EXTERNAL)
+	if (m_location == Location::External)
 		size = 2;
-	else if (m_location == Location::INTERNAL || m_location == Location::BARE)
+	else if (m_location == Location::Internal || m_location == Location::Bare)
 		size = 1;
 	if (m_gasSet)
 		size++;
@@ -719,22 +755,22 @@ MemberList const& FunctionType::getMembers() const
 {
 	switch (m_location)
 	{
-	case Location::EXTERNAL:
-	case Location::CREATION:
-	case Location::ECRECOVER:
+	case Location::External:
+	case Location::Creation:
+	case Location::ECRecover:
 	case Location::SHA256:
 	case Location::RIPEMD160:
-	case Location::BARE:
+	case Location::Bare:
 		if (!m_members)
 		{
 			map<string, TypePointer> members{
 				{"gas", make_shared<FunctionType>(parseElementaryTypeVector({"uint"}),
 												  TypePointers{copyAndSetGasOrValue(true, false)},
-												  Location::SET_GAS, m_gasSet, m_valueSet)},
+												  Location::SetGas, false, m_gasSet, m_valueSet)},
 				{"value", make_shared<FunctionType>(parseElementaryTypeVector({"uint"}),
 													TypePointers{copyAndSetGasOrValue(false, true)},
-													Location::SET_VALUE, m_gasSet, m_valueSet)}};
-			if (m_location == Location::CREATION)
+													Location::SetValue, false, m_gasSet, m_valueSet)}};
+			if (m_location == Location::Creation)
 				members.erase("gas");
 			m_members.reset(new MemberList(members));
 		}
@@ -772,6 +808,7 @@ TypePointers FunctionType::parseElementaryTypeVector(strings const& _types)
 TypePointer FunctionType::copyAndSetGasOrValue(bool _setGas, bool _setValue) const
 {
 	return make_shared<FunctionType>(m_parameterTypes, m_returnParameterTypes, m_location,
+									 m_arbitraryParameters,
 									 m_gasSet || _setGas, m_valueSet || _setValue);
 }
 
@@ -829,7 +866,7 @@ MemberList const& TypeType::getMembers() const
 	if (!m_members)
 	{
 		map<string, TypePointer> members;
-		if (m_actualType->getCategory() == Category::CONTRACT && m_currentContract != nullptr)
+		if (m_actualType->getCategory() == Category::Contract && m_currentContract != nullptr)
 		{
 			ContractDefinition const& contract = dynamic_cast<ContractType const&>(*m_actualType).getContractDefinition();
 			vector<ContractDefinition const*> currentBases = m_currentContract->getLinearizedBaseContracts();
@@ -883,21 +920,21 @@ MagicType::MagicType(MagicType::Kind _kind):
 {
 	switch (m_kind)
 	{
-	case Kind::BLOCK:
-		m_members = MemberList({{"coinbase", make_shared<IntegerType>(0, IntegerType::Modifier::ADDRESS)},
+	case Kind::Block:
+		m_members = MemberList({{"coinbase", make_shared<IntegerType>(0, IntegerType::Modifier::Address)},
 								{"timestamp", make_shared<IntegerType>(256)},
-								{"blockhash", make_shared<FunctionType>(strings{"uint"}, strings{"hash"}, FunctionType::Location::BLOCKHASH)},
+								{"blockhash", make_shared<FunctionType>(strings{"uint"}, strings{"hash"}, FunctionType::Location::BlockHash)},
 								{"difficulty", make_shared<IntegerType>(256)},
 								{"number", make_shared<IntegerType>(256)},
 								{"gaslimit", make_shared<IntegerType>(256)}});
 		break;
-	case Kind::MSG:
-		m_members = MemberList({{"sender", make_shared<IntegerType>(0, IntegerType::Modifier::ADDRESS)},
+	case Kind::Message:
+		m_members = MemberList({{"sender", make_shared<IntegerType>(0, IntegerType::Modifier::Address)},
 								{"gas", make_shared<IntegerType>(256)},
 								{"value", make_shared<IntegerType>(256)}});
 		break;
-	case Kind::TX:
-		m_members = MemberList({{"origin", make_shared<IntegerType>(0, IntegerType::Modifier::ADDRESS)},
+	case Kind::Transaction:
+		m_members = MemberList({{"origin", make_shared<IntegerType>(0, IntegerType::Modifier::Address)},
 								{"gasprice", make_shared<IntegerType>(256)}});
 		break;
 	default:
@@ -917,11 +954,11 @@ string MagicType::toString() const
 {
 	switch (m_kind)
 	{
-	case Kind::BLOCK:
+	case Kind::Block:
 		return "block";
-	case Kind::MSG:
+	case Kind::Message:
 		return "msg";
-	case Kind::TX:
+	case Kind::Transaction:
 		return "tx";
 	default:
 		BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Unknown kind of magic."));
diff --git a/libsolidity/Types.h b/libsolidity/Types.h
index 1f4d27a25..05090c7a2 100644
--- a/libsolidity/Types.h
+++ b/libsolidity/Types.h
@@ -76,7 +76,9 @@ class Type: private boost::noncopyable, public std::enable_shared_from_this<Type
 public:
 	enum class Category
 	{
-		INTEGER, INTEGER_CONSTANT, BOOL, REAL, STRING, CONTRACT, STRUCT, FUNCTION, MAPPING, VOID, TYPE, MODIFIER, MAGIC
+		Integer, IntegerConstant, Bool, Real,
+		String, Contract, Struct, Function,
+		Mapping, Void, TypeType, Modifier, Magic
 	};
 
 	///@{
@@ -130,6 +132,8 @@ public:
 	/// i.e. it behaves differently in lvalue context and in value context.
 	virtual bool isValueType() const { return false; }
 	virtual unsigned getSizeOnStack() const { return 1; }
+	/// @returns the real type of some types, like e.g: IntegerConstant
+	virtual TypePointer getRealType() const { return shared_from_this(); }
 
 	/// Returns the list of all members of this type. Default implementation: no members.
 	virtual MemberList const& getMembers() const { return EmptyMemberList; }
@@ -140,7 +144,7 @@ public:
 	virtual u256 literalValue(Literal const*) const
 	{
 		BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Literal value requested "
-																		  "for type without literals."));
+																		 "for type without literals."));
 	}
 
 protected:
@@ -156,11 +160,11 @@ class IntegerType: public Type
 public:
 	enum class Modifier
 	{
-		UNSIGNED, SIGNED, HASH, ADDRESS
+		Unsigned, Signed, Hash, Address
 	};
-	virtual Category getCategory() const override { return Category::INTEGER; }
+	virtual Category getCategory() const override { return Category::Integer; }
 
-	explicit IntegerType(int _bits, Modifier _modifier = Modifier::UNSIGNED);
+	explicit IntegerType(int _bits, Modifier _modifier = Modifier::Unsigned);
 
 	virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override;
 	virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override;
@@ -177,9 +181,9 @@ public:
 	virtual std::string toString() const override;
 
 	int getNumBits() const { return m_bits; }
-	bool isHash() const { return m_modifier == Modifier::HASH || m_modifier == Modifier::ADDRESS; }
-	bool isAddress() const { return m_modifier == Modifier::ADDRESS; }
-	bool isSigned() const { return m_modifier == Modifier::SIGNED; }
+	bool isHash() const { return m_modifier == Modifier::Hash || m_modifier == Modifier::Address; }
+	bool isAddress() const { return m_modifier == Modifier::Address; }
+	bool isSigned() const { return m_modifier == Modifier::Signed; }
 
 	static const MemberList AddressMemberList;
 
@@ -195,10 +199,9 @@ private:
 class IntegerConstantType: public Type
 {
 public:
-	virtual Category getCategory() const override { return Category::INTEGER_CONSTANT; }
-
-	static std::shared_ptr<IntegerConstantType const> fromLiteral(std::string const& _literal);
+	virtual Category getCategory() const override { return Category::IntegerConstant; }
 
+	explicit IntegerConstantType(Literal const& _literal);
 	explicit IntegerConstantType(bigint _value): m_value(_value) {}
 
 	virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override;
@@ -214,6 +217,7 @@ public:
 
 	virtual std::string toString() const override;
 	virtual u256 literalValue(Literal const* _literal) const override;
+	virtual TypePointer getRealType() const override;
 
 	/// @returns the smallest integer type that can hold the value or an empty pointer if not possible.
 	std::shared_ptr<IntegerType const> getIntegerType() const;
@@ -228,7 +232,7 @@ private:
 class StaticStringType: public Type
 {
 public:
-	virtual Category getCategory() const override { return Category::STRING; }
+	virtual Category getCategory() const override { return Category::String; }
 
 	/// @returns the smallest string type for the given literal or an empty pointer
 	/// if no type fits.
@@ -259,7 +263,7 @@ class BoolType: public Type
 {
 public:
 	BoolType() {}
-	virtual Category getCategory() const { return Category::BOOL; }
+	virtual Category getCategory() const { return Category::Bool; }
 	virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override;
 	virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
 	virtual TypePointer binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const override;
@@ -277,7 +281,7 @@ public:
 class ContractType: public Type
 {
 public:
-	virtual Category getCategory() const override { return Category::CONTRACT; }
+	virtual Category getCategory() const override { return Category::Contract; }
 	explicit ContractType(ContractDefinition const& _contract, bool _super = false):
 		m_contract(_contract), m_super(_super) {}
 	/// Contracts can be implicitly converted to super classes and to addresses.
@@ -319,7 +323,7 @@ private:
 class StructType: public Type
 {
 public:
-	virtual Category getCategory() const override { return Category::STRUCT; }
+	virtual Category getCategory() const override { return Category::Struct; }
 	explicit StructType(StructDefinition const& _struct): m_struct(_struct) {}
 	virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
 	virtual bool operator==(Type const& _other) const override;
@@ -351,26 +355,27 @@ public:
 	/// BARE: contract address (non-abi contract call)
 	/// OTHERS: special virtual function, nothing on the stack
 	/// @todo This documentation is outdated, and Location should rather be named "Type"
-	enum class Location { INTERNAL, EXTERNAL, CREATION, SEND,
-						  SHA3, SUICIDE,
-						  ECRECOVER, SHA256, RIPEMD160,
-						  LOG0, LOG1, LOG2, LOG3, LOG4, EVENT,
-						  SET_GAS, SET_VALUE, BLOCKHASH,
-						  BARE };
-
-	virtual Category getCategory() const override { return Category::FUNCTION; }
+	enum class Location { Internal, External, Creation, Send,
+						  SHA3, Suicide,
+						  ECRecover, SHA256, RIPEMD160,
+						  Log0, Log1, Log2, Log3, Log4, Event,
+						  SetGas, SetValue, BlockHash,
+						  Bare };
+
+	virtual Category getCategory() const override { return Category::Function; }
 	explicit FunctionType(FunctionDefinition const& _function, bool _isInternal = true);
 	explicit FunctionType(VariableDeclaration const& _varDecl);
 	explicit FunctionType(EventDefinition const& _event);
 	FunctionType(strings const& _parameterTypes, strings const& _returnParameterTypes,
-				 Location _location = Location::INTERNAL):
+				 Location _location = Location::Internal, bool _arbitraryParameters = false):
 		FunctionType(parseElementaryTypeVector(_parameterTypes), parseElementaryTypeVector(_returnParameterTypes),
-					 _location) {}
+					 _location, _arbitraryParameters) {}
 	FunctionType(TypePointers const& _parameterTypes, TypePointers const& _returnParameterTypes,
-				 Location _location = Location::INTERNAL,
-				 bool _gasSet = false, bool _valueSet = false):
+				 Location _location = Location::Internal,
+				 bool _arbitraryParameters = false, bool _gasSet = false, bool _valueSet = false):
 		m_parameterTypes(_parameterTypes), m_returnParameterTypes(_returnParameterTypes),
-		m_location(_location), m_gasSet(_gasSet), m_valueSet(_valueSet) {}
+		m_location(_location),
+		m_arbitraryParameters(_arbitraryParameters), m_gasSet(_gasSet), m_valueSet(_valueSet) {}
 
 	TypePointers const& getParameterTypes() const { return m_parameterTypes; }
 	std::vector<std::string> const& getParameterNames() const { return m_parameterNames; }
@@ -403,6 +408,9 @@ public:
 	/// Can contain a nullptr in which case indicates absence of documentation
 	ASTPointer<ASTString> getDocumentation() const;
 
+	/// true iff arguments are to be padded to multiples of 32 bytes for external calls
+	bool padArguments() const { return !(m_location == Location::SHA3 || m_location == Location::SHA256 || m_location == Location::RIPEMD160); }
+	bool takesArbitraryParameters() const { return m_arbitraryParameters; }
 	bool gasSet() const { return m_gasSet; }
 	bool valueSet() const { return m_valueSet; }
 
@@ -418,6 +426,8 @@ private:
 	std::vector<std::string> m_parameterNames;
 	std::vector<std::string> m_returnParameterNames;
 	Location const m_location;
+	/// true iff the function takes an arbitrary number of arguments of arbitrary types
+	bool const m_arbitraryParameters = false;
 	bool const m_gasSet = false; ///< true iff the gas value to be used is on the stack
 	bool const m_valueSet = false; ///< true iff the value to be sent is on the stack
 	bool m_isConstant;
@@ -431,7 +441,7 @@ private:
 class MappingType: public Type
 {
 public:
-	virtual Category getCategory() const override { return Category::MAPPING; }
+	virtual Category getCategory() const override { return Category::Mapping; }
 	MappingType(TypePointer const& _keyType, TypePointer const& _valueType):
 		m_keyType(_keyType), m_valueType(_valueType) {}
 
@@ -454,7 +464,7 @@ private:
 class VoidType: public Type
 {
 public:
-	virtual Category getCategory() const override { return Category::VOID; }
+	virtual Category getCategory() const override { return Category::Void; }
 	VoidType() {}
 
 	virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); }
@@ -472,7 +482,7 @@ public:
 class TypeType: public Type
 {
 public:
-	virtual Category getCategory() const override { return Category::TYPE; }
+	virtual Category getCategory() const override { return Category::TypeType; }
 	explicit TypeType(TypePointer const& _actualType, ContractDefinition const* _currentContract = nullptr):
 		m_actualType(_actualType), m_currentContract(_currentContract) {}
 	TypePointer const& getActualType() const { return m_actualType; }
@@ -501,7 +511,7 @@ private:
 class ModifierType: public Type
 {
 public:
-	virtual Category getCategory() const override { return Category::MODIFIER; }
+	virtual Category getCategory() const override { return Category::Modifier; }
 	explicit ModifierType(ModifierDefinition const& _modifier);
 
 	virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); }
@@ -524,8 +534,8 @@ private:
 class MagicType: public Type
 {
 public:
-	enum class Kind { BLOCK, MSG, TX };
-	virtual Category getCategory() const override { return Category::MAGIC; }
+	enum class Kind { Block, Message, Transaction };
+	virtual Category getCategory() const override { return Category::Magic; }
 
 	explicit MagicType(Kind _kind);
 
diff --git a/libsolidity/Utils.h b/libsolidity/Utils.h
old mode 100755
new mode 100644
diff --git a/libweb3jsonrpc/CMakeLists.txt b/libweb3jsonrpc/CMakeLists.txt
index f371024e6..e18a53cd8 100644
--- a/libweb3jsonrpc/CMakeLists.txt
+++ b/libweb3jsonrpc/CMakeLists.txt
@@ -32,6 +32,17 @@ target_link_libraries(${EXECUTABLE} secp256k1)
 target_link_libraries(${EXECUTABLE} solidity)
 target_link_libraries(${EXECUTABLE} serpent)
 
+if (ETH_JSON_RPC_STUB)
+	add_custom_target(jsonrpcstub) 
+	add_custom_command(TARGET jsonrpcstub
+		POST_BUILD
+		WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+		COMMAND ${ETH_JSON_RPC_STUB} spec.json --cpp-server=AbstractWebThreeStubServer --cpp-client=WebThreeStubClient 
+		COMMAND cmake -E rename webthreestubclient.h ../test/webthreestubclient.h
+	)
+	add_dependencies(${EXECUTABLE} jsonrpcstub)
+endif()
+
 install( TARGETS ${EXECUTABLE} ARCHIVE DESTINATION lib LIBRARY DESTINATION lib )
 install( FILES ${HEADERS} DESTINATION include/${EXECUTABLE} )
 
diff --git a/libweb3jsonrpc/WebThreeStubServer.h b/libweb3jsonrpc/WebThreeStubServer.h
index d401c38fc..106842981 100644
--- a/libweb3jsonrpc/WebThreeStubServer.h
+++ b/libweb3jsonrpc/WebThreeStubServer.h
@@ -44,13 +44,13 @@ public:
 	WebThreeStubServer(jsonrpc::AbstractServerConnector& _conn, dev::WebThreeDirect& _web3, std::vector<dev::KeyPair> const& _accounts);
 	
 private:
-	dev::eth::Interface* client() override;
-	std::shared_ptr<dev::shh::Interface> face() override;
-	dev::WebThreeNetworkFace* network() override;
-	dev::WebThreeStubDatabaseFace* db() override;
+	virtual dev::eth::Interface* client() override;
+	virtual std::shared_ptr<dev::shh::Interface> face() override;
+	virtual dev::WebThreeNetworkFace* network() override;
+	virtual dev::WebThreeStubDatabaseFace* db() override;
 
-	std::string get(std::string const& _name, std::string const& _key) override;
-	void put(std::string const& _name, std::string const& _key, std::string const& _value) override;
+	virtual std::string get(std::string const& _name, std::string const& _key) override;
+	virtual void put(std::string const& _name, std::string const& _key, std::string const& _value) override;
 
 private:
 	dev::WebThreeDirect& m_web3;
diff --git a/libweb3jsonrpc/WebThreeStubServerBase.cpp b/libweb3jsonrpc/WebThreeStubServerBase.cpp
index bcaa31036..7ad29ed1b 100644
--- a/libweb3jsonrpc/WebThreeStubServerBase.cpp
+++ b/libweb3jsonrpc/WebThreeStubServerBase.cpp
@@ -31,7 +31,9 @@
 #include <libethcore/CommonJS.h>
 #include <libwhisper/Message.h>
 #include <libwhisper/WhisperHost.h>
+#ifndef _MSC_VER
 #include <libserpent/funcs.h>
+#endif
 #include "WebThreeStubServerBase.h"
 
 using namespace std;
@@ -426,6 +428,20 @@ int WebThreeStubServerBase::eth_newFilterString(std::string const& _filter)
 	return ret;
 }
 
+Json::Value WebThreeStubServerBase::eth_getWork()
+{
+	Json::Value ret(Json::arrayValue);
+	auto r = client()->getWork();
+	ret.append(toJS(r.first));
+	ret.append(toJS(r.second));
+	return ret;
+}
+
+bool WebThreeStubServerBase::eth_submitWork(std::string const& _nonce)
+{
+	return client()->submitNonce(jsToFixed<32>(_nonce));
+}
+
 std::string WebThreeStubServerBase::shh_newGroup(std::string const& _id, std::string const& _who)
 {
 	(void)_id;
@@ -446,7 +462,9 @@ Json::Value WebThreeStubServerBase::eth_compilers()
 	Json::Value ret(Json::arrayValue);
 	ret.append("lll");
 	ret.append("solidity");
+#ifndef _MSC_VER
 	ret.append("serpent");
+#endif
 	return ret;
 }
 
@@ -462,6 +480,7 @@ std::string WebThreeStubServerBase::eth_lll(std::string const& _code)
 std::string WebThreeStubServerBase::eth_serpent(std::string const& _code)
 {
 	string res;
+#ifndef _MSC_VER
 	try
 	{
 		res = toJS(dev::asBytes(::compile(_code)));
@@ -474,6 +493,7 @@ std::string WebThreeStubServerBase::eth_serpent(std::string const& _code)
 	{
 		cwarn << "Uncought serpent compilation exception";
 	}
+#endif
 	return res;
 }
 
diff --git a/libweb3jsonrpc/WebThreeStubServerBase.h b/libweb3jsonrpc/WebThreeStubServerBase.h
index ffb9e1738..1190ce407 100644
--- a/libweb3jsonrpc/WebThreeStubServerBase.h
+++ b/libweb3jsonrpc/WebThreeStubServerBase.h
@@ -103,6 +103,9 @@ public:
 	virtual Json::Value eth_uncleByNumber(int const& _number, int const& _i);
 	virtual bool eth_uninstallFilter(int const& _id);
 
+	virtual Json::Value eth_getWork();
+	virtual bool eth_submitWork(std::string const& _nonce);
+
 	virtual std::string db_get(std::string const& _name, std::string const& _key);
 	virtual std::string db_getString(std::string const& _name, std::string const& _key);
 	virtual bool db_put(std::string const& _name, std::string const& _key, std::string const& _value);
diff --git a/libweb3jsonrpc/abstractwebthreestubserver.h b/libweb3jsonrpc/abstractwebthreestubserver.h
index 0c25f9842..dda8def08 100644
--- a/libweb3jsonrpc/abstractwebthreestubserver.h
+++ b/libweb3jsonrpc/abstractwebthreestubserver.h
@@ -49,6 +49,8 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
             this->bindAndAddMethod(new jsonrpc::Procedure("eth_changed", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_ARRAY, "param1",jsonrpc::JSON_INTEGER, NULL), &AbstractWebThreeStubServer::eth_changedI);
             this->bindAndAddMethod(new jsonrpc::Procedure("eth_filterLogs", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_ARRAY, "param1",jsonrpc::JSON_INTEGER, NULL), &AbstractWebThreeStubServer::eth_filterLogsI);
             this->bindAndAddMethod(new jsonrpc::Procedure("eth_logs", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_ARRAY, "param1",jsonrpc::JSON_OBJECT, NULL), &AbstractWebThreeStubServer::eth_logsI);
+            this->bindAndAddMethod(new jsonrpc::Procedure("eth_getWork", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_ARRAY,  NULL), &AbstractWebThreeStubServer::eth_getWorkI);
+            this->bindAndAddMethod(new jsonrpc::Procedure("eth_submitWork", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_BOOLEAN, "param1",jsonrpc::JSON_STRING, NULL), &AbstractWebThreeStubServer::eth_submitWorkI);
             this->bindAndAddMethod(new jsonrpc::Procedure("db_put", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_BOOLEAN, "param1",jsonrpc::JSON_STRING,"param2",jsonrpc::JSON_STRING,"param3",jsonrpc::JSON_STRING, NULL), &AbstractWebThreeStubServer::db_putI);
             this->bindAndAddMethod(new jsonrpc::Procedure("db_get", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_STRING, "param1",jsonrpc::JSON_STRING,"param2",jsonrpc::JSON_STRING, NULL), &AbstractWebThreeStubServer::db_getI);
             this->bindAndAddMethod(new jsonrpc::Procedure("db_putString", jsonrpc::PARAMS_BY_POSITION, jsonrpc::JSON_BOOLEAN, "param1",jsonrpc::JSON_STRING,"param2",jsonrpc::JSON_STRING,"param3",jsonrpc::JSON_STRING, NULL), &AbstractWebThreeStubServer::db_putStringI);
@@ -211,6 +213,14 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
         {
             response = this->eth_logs(request[0u]);
         }
+        inline virtual void eth_getWorkI(const Json::Value &request, Json::Value &response)
+        {
+            response = this->eth_getWork();
+        }
+        inline virtual void eth_submitWorkI(const Json::Value &request, Json::Value &response)
+        {
+            response = this->eth_submitWork(request[0u].asString());
+        }
         inline virtual void db_putI(const Json::Value &request, Json::Value &response)
         {
             response = this->db_put(request[0u].asString(), request[1u].asString(), request[2u].asString());
@@ -296,6 +306,8 @@ class AbstractWebThreeStubServer : public jsonrpc::AbstractServer<AbstractWebThr
         virtual Json::Value eth_changed(const int& param1) = 0;
         virtual Json::Value eth_filterLogs(const int& param1) = 0;
         virtual Json::Value eth_logs(const Json::Value& param1) = 0;
+        virtual Json::Value eth_getWork() = 0;
+        virtual bool eth_submitWork(const std::string& param1) = 0;
         virtual bool db_put(const std::string& param1, const std::string& param2, const std::string& param3) = 0;
         virtual std::string db_get(const std::string& param1, const std::string& param2) = 0;
         virtual bool db_putString(const std::string& param1, const std::string& param2, const std::string& param3) = 0;
diff --git a/libweb3jsonrpc/spec.json b/libweb3jsonrpc/spec.json
index 2b9af49af..38b9f7b2a 100644
--- a/libweb3jsonrpc/spec.json
+++ b/libweb3jsonrpc/spec.json
@@ -36,7 +36,6 @@
             { "name": "eth_solidity", "params": [""], "order": [], "returns": ""},
             { "name": "eth_serpent", "params": [""], "order": [], "returns": ""},
 
-
             { "name": "eth_newFilter", "params": [{}], "order": [], "returns": 0},
             { "name": "eth_newFilterString", "params": [""], "order": [], "returns": 0},
             { "name": "eth_uninstallFilter", "params": [0], "order": [], "returns": true},
@@ -44,6 +43,9 @@
             { "name": "eth_filterLogs", "params": [0], "order": [], "returns": []},
             { "name": "eth_logs", "params": [{}], "order": [], "returns": []},
 
+            { "name": "eth_getWork", "params": [], "order": [], "returns": []},
+            { "name": "eth_submitWork", "params": [""], "order": [], "returns": true},
+
             { "name": "db_put", "params": ["", "", ""], "order": [], "returns": true},
             { "name": "db_get", "params": ["", ""], "order": [], "returns": ""},
             { "name": "db_putString", "params": ["", "", ""], "order": [], "returns": true},
diff --git a/mix/AppContext.cpp b/mix/AppContext.cpp
index 1aa43a119..a806a39f4 100644
--- a/mix/AppContext.cpp
+++ b/mix/AppContext.cpp
@@ -84,7 +84,7 @@ void AppContext::load()
 	qmlRegisterType<CodeEditorExtensionManager>("CodeEditorExtensionManager", 1, 0, "CodeEditorExtensionManager");
 	qmlRegisterType<HttpServer>("HttpServer", 1, 0, "HttpServer");
 	m_applicationEngine->load(QUrl("qrc:/qml/main.qml"));
-	QWindow *window = qobject_cast<QWindow *>(m_applicationEngine->rootObjects().at(0));
+	QWindow *window = qobject_cast<QWindow*>(m_applicationEngine->rootObjects().at(0));
 	window->setIcon(QIcon(":/res/mix_256x256x32.png"));
 	appLoaded();
 }
diff --git a/mix/AssemblyDebuggerControl.cpp b/mix/AssemblyDebuggerControl.cpp
deleted file mode 100644
index 7bf177981..000000000
--- a/mix/AssemblyDebuggerControl.cpp
+++ /dev/null
@@ -1,45 +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 AssemblyDebuggerControl.cpp
- * @author Yann yann@ethdev.com
- * @date 2014
- * display opcode debugging.
- */
-
-#include <QDebug>
-#include <QQmlContext>
-#include <QQmlApplicationEngine>
-#include "ClientModel.h"
-#include "AssemblyDebuggerControl.h"
-
-using namespace dev::mix;
-
-AssemblyDebuggerControl::AssemblyDebuggerControl(AppContext* _context):
-	Extension(_context, ExtensionDisplayBehavior::RightView)
-{
-}
-
-QString AssemblyDebuggerControl::contentUrl() const
-{
-	return QStringLiteral("qrc:/qml/Debugger.qml");
-}
-
-QString AssemblyDebuggerControl::title() const
-{
-	return QApplication::tr("Debugger");
-}
-
-void AssemblyDebuggerControl::start() const
-{
-}
diff --git a/mix/AssemblyDebuggerControl.h b/mix/AssemblyDebuggerControl.h
deleted file mode 100644
index 701cbc5fd..000000000
--- a/mix/AssemblyDebuggerControl.h
+++ /dev/null
@@ -1,48 +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 AssemblyDebuggerControl.h
- * @author Yann yann@ethdev.com
- * @date 2014
- * Extension which display debugging steps in assembly code.
- */
-
-#pragma once
-
-#include <atomic>
-#include "Extension.h"
-
-namespace dev
-{
-namespace mix
-{
-
-class AppContext;
-
-/**
- * @brief Extension which display transaction creation or transaction call debugging.
- */
-class AssemblyDebuggerControl: public Extension
-{
-	Q_OBJECT
-
-public:
-	AssemblyDebuggerControl(AppContext* _context);
-	~AssemblyDebuggerControl() {}
-	void start() const override;
-	QString title() const override;
-	QString contentUrl() const override;
-};
-
-}
-}
diff --git a/mix/CMakeLists.txt b/mix/CMakeLists.txt
index d5574667a..db9452061 100644
--- a/mix/CMakeLists.txt
+++ b/mix/CMakeLists.txt
@@ -46,7 +46,9 @@ target_link_libraries(${EXECUTABLE} evm)
 target_link_libraries(${EXECUTABLE} ethcore)
 target_link_libraries(${EXECUTABLE} devcrypto)
 target_link_libraries(${EXECUTABLE} secp256k1)
+if (NOT ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC"))
 target_link_libraries(${EXECUTABLE} serpent)
+endif()
 target_link_libraries(${EXECUTABLE} lll)
 target_link_libraries(${EXECUTABLE} solidity)
 target_link_libraries(${EXECUTABLE} evmcore)
diff --git a/mix/ClientModel.cpp b/mix/ClientModel.cpp
index 3a2b50999..10a60811f 100644
--- a/mix/ClientModel.cpp
+++ b/mix/ClientModel.cpp
@@ -82,7 +82,7 @@ ClientModel::ClientModel(AppContext* _context):
 	qRegisterMetaType<QInstruction*>("QInstruction");
 	qRegisterMetaType<QCode*>("QCode");
 	qRegisterMetaType<QCallData*>("QCallData");
-	qRegisterMetaType<TransactionLogEntry*>("TransactionLogEntry");
+	qRegisterMetaType<RecordLogEntry*>("RecordLogEntry");
 
 	connect(this, &ClientModel::runComplete, this, &ClientModel::showDebugger, Qt::QueuedConnection);
 	m_client.reset(new MixClient(QStandardPaths::writableLocation(QStandardPaths::TempLocation).toStdString()));
@@ -113,24 +113,27 @@ QString ClientModel::apiCall(QString const& _message)
 
 void ClientModel::mine()
 {
-	if (m_running)
+	if (m_running || m_mining)
 		BOOST_THROW_EXCEPTION(ExecutionStateException());
-	m_running = true;
-	emit runStarted();
-	emit runStateChanged();
+	m_mining = true;
+	emit miningStarted();
+	emit miningStateChanged();
 	QtConcurrent::run([=]()
 	{
 		try
 		{
 			m_client->mine();
 			newBlock();
+			m_mining = false;
+			emit miningComplete();
 		}
 		catch (...)
 		{
+			m_mining = false;
 			std::cerr << boost::current_exception_diagnostic_information();
 			emit runFailed(QString::fromStdString(boost::current_exception_diagnostic_information()));
 		}
-		m_running = false;
+		emit miningStateChanged();
 	});
 }
 
@@ -233,8 +236,8 @@ void ClientModel::executeSequence(std::vector<TransactionSettings> const& _seque
 							}
 					if (!f)
 						BOOST_THROW_EXCEPTION(FunctionNotFoundException() << FunctionName(transaction.functionId.toStdString()));
-
-					encoder.encode(f);
+					if (!transaction.functionId.isEmpty())
+						encoder.encode(f);
 					for (int p = 0; p < transaction.parameterValues.size(); p++)
 					{
 						if (f->parametersList().at(p)->type() != transaction.parameterValues.at(p)->declaration()->type())
@@ -244,6 +247,8 @@ void ClientModel::executeSequence(std::vector<TransactionSettings> const& _seque
 
 					if (transaction.functionId.isEmpty())
 					{
+						bytes param = encoder.encodedData();
+						contractCode.insert(contractCode.end(), param.begin(), param.end());
 						Address newAddress = deployContract(contractCode, transaction);
 						if (newAddress != m_contractAddress)
 						{
@@ -308,10 +313,10 @@ void ClientModel::showDebuggerForTransaction(ExecutionResult const& _t)
 }
 
 
-void ClientModel::debugTransaction(unsigned _block, unsigned _index)
+void ClientModel::debugRecord(unsigned _index)
 {
-	auto const& t = m_client->execution(_block, _index);
-	showDebuggerForTransaction(t);
+	ExecutionResult const& e = m_client->executions().at(_index);
+	showDebuggerForTransaction(e);
 }
 
 void ClientModel::showDebugError(QString const& _error)
@@ -341,9 +346,10 @@ void ClientModel::onStateReset()
 
 void ClientModel::onNewTransaction()
 {
-	unsigned block = m_client->number() + 1;
-	unsigned index =  m_client->pendingExecutions().size() - 1;
 	ExecutionResult const& tr = m_client->lastExecution();
+	unsigned block = m_client->number() + 1;
+	unsigned recordIndex = m_client->executions().size() - 1;
+	QString transactionIndex = tr.isCall() ? QObject::tr("Call") : QString("%1:%2").arg(block).arg(tr.transactionIndex);
 	QString address = QString::fromStdString(toJS(tr.address));
 	QString value =  QString::fromStdString(dev::toString(tr.value));
 	QString contract = address;
@@ -354,7 +360,7 @@ void ClientModel::onNewTransaction()
 
 	//TODO: handle value transfer
 	FixedHash<4> functionHash;
-	bool call = false;
+	bool abi = false;
 	if (creation)
 	{
 		//contract creation
@@ -369,12 +375,12 @@ void ClientModel::onNewTransaction()
 	}
 	else
 	{
-		//call
+		//transaction/call
 		if (tr.transactionData.size() > 0 && tr.transactionData.front().size() >= 4)
 		{
 			functionHash = FixedHash<4>(tr.transactionData.front().data(), FixedHash<4>::ConstructFromPointer);
 			function = QString::fromStdString(toJS(functionHash));
-			call = true;
+			abi = true;
 		}
 		else
 			function = QObject::tr("<none>");
@@ -388,7 +394,7 @@ void ClientModel::onNewTransaction()
 		auto compilerRes = m_context->codeModel()->code();
 		QContractDefinition* def = compilerRes->contract();
 		contract = def->name();
-		if (call)
+		if (abi)
 		{
 			QFunctionDefinition* funcDef = def->getFunction(functionHash);
 			if (funcDef)
@@ -402,9 +408,9 @@ void ClientModel::onNewTransaction()
 		}
 	}
 
-	TransactionLogEntry* log = new TransactionLogEntry(block, index, contract, function, value, address, returned);
+	RecordLogEntry* log = new RecordLogEntry(recordIndex, transactionIndex, contract, function, value, address, returned, tr.isCall());
 	QQmlEngine::setObjectOwnership(log, QQmlEngine::JavaScriptOwnership);
-	emit newTransaction(log);
+	emit newRecord(log);
 }
 
 }
diff --git a/mix/ClientModel.h b/mix/ClientModel.h
index 493290780..530dc50cf 100644
--- a/mix/ClientModel.h
+++ b/mix/ClientModel.h
@@ -26,6 +26,7 @@
 #include <atomic>
 #include <map>
 #include <QString>
+#include <QVariantMap>
 #include "MachineStates.h"
 
 namespace dev
@@ -68,13 +69,13 @@ struct TransactionSettings
 
 
 /// UI Transaction log record
-class TransactionLogEntry: public QObject
+class RecordLogEntry: public QObject
 {
 	Q_OBJECT
-	/// Transaction block number
-	Q_PROPERTY(unsigned block MEMBER m_block CONSTANT)
-	/// Transaction index within the block
-	Q_PROPERTY(unsigned tindex MEMBER m_index CONSTANT)
+	/// Recording index
+	Q_PROPERTY(unsigned recordIndex MEMBER m_recordIndex CONSTANT)
+	/// Human readable transaction bloack and transaction index
+	Q_PROPERTY(QString transactionIndex MEMBER m_transactionIndex CONSTANT)
 	/// Contract name if any
 	Q_PROPERTY(QString contract MEMBER m_contract CONSTANT)
 	/// Function name if any
@@ -85,21 +86,25 @@ class TransactionLogEntry: public QObject
 	Q_PROPERTY(QString address MEMBER m_address CONSTANT)
 	/// Returned value or transaction address in case of creation
 	Q_PROPERTY(QString returned MEMBER m_returned CONSTANT)
+	/// true if call, false if transaction
+	Q_PROPERTY(bool call MEMBER m_call CONSTANT)
+
 
 public:
-	TransactionLogEntry():
-		m_block(0), m_index(0) {}
-	TransactionLogEntry(int _block, int _index, QString _contract, QString _function, QString _value, QString _address, QString _returned):
-		m_block(_block), m_index(_index), m_contract(_contract), m_function(_function), m_value(_value), m_address(_address), m_returned(_returned) {}
+	RecordLogEntry():
+		m_recordIndex(0), m_call(false) {}
+	RecordLogEntry(unsigned _recordIndex, QString _transactionIndex, QString _contract, QString _function, QString _value, QString _address, QString _returned, bool _call):
+		m_recordIndex(_recordIndex), m_transactionIndex(_transactionIndex), m_contract(_contract), m_function(_function), m_value(_value), m_address(_address), m_returned(_returned), m_call(_call) {}
 
 private:
-	unsigned m_block;
-	unsigned m_index;
+	unsigned m_recordIndex;
+	QString m_transactionIndex;
 	QString m_contract;
 	QString m_function;
 	QString m_value;
 	QString m_address;
 	QString m_returned;
+	bool m_call;
 };
 
 /**
@@ -114,6 +119,8 @@ public:
 	~ClientModel();
 	/// @returns true if currently executing contract code
 	Q_PROPERTY(bool running MEMBER m_running NOTIFY runStateChanged)
+	/// @returns true if currently mining
+	Q_PROPERTY(bool mining MEMBER m_mining NOTIFY miningStateChanged)
 	/// @returns address of the last executed contract
 	Q_PROPERTY(QString contractAddress READ contractAddress NOTIFY contractAddressChanged)
 	/// ethereum.js RPC request entry point
@@ -130,8 +137,8 @@ public slots:
 	/// Setup state, run transaction sequence, show debugger for the last transaction
 	/// @param _state JS object with state configuration
 	void setupState(QVariantMap _state);
-	/// Show the debugger for a specified transaction
-	Q_INVOKABLE void debugTransaction(unsigned _block, unsigned _index);
+	/// Show the debugger for a specified record
+	Q_INVOKABLE void debugRecord(unsigned _index);
 
 private slots:
 	/// Update UI with machine states result. Display a modal dialog.
@@ -144,6 +151,12 @@ signals:
 	void runStarted();
 	/// Transaction execution completed successfully
 	void runComplete();
+	/// Mining has started
+	void miningStarted();
+	/// Mined a new block
+	void miningComplete();
+	/// Mining stopped or started
+	void miningStateChanged();
 	/// Transaction execution completed with error
 	/// @param _message Error message
 	void runFailed(QString const& _message);
@@ -159,7 +172,7 @@ signals:
 	/// @param _message RPC response in Json format
 	void apiResponse(QString const& _message);
 	/// New transaction log entry
-	void newTransaction(TransactionLogEntry* _tr);
+	void newRecord(RecordLogEntry* _r);
 	/// State (transaction log) cleared
 	void stateCleared();
 
@@ -174,6 +187,7 @@ private:
 
 	AppContext* m_context;
 	std::atomic<bool> m_running;
+	std::atomic<bool> m_mining;
 	std::unique_ptr<MixClient> m_client;
 	std::unique_ptr<RpcConnector> m_rpcConnector;
 	std::unique_ptr<Web3Server> m_web3Server;
diff --git a/mix/CodeEditorExtensionManager.cpp b/mix/CodeEditorExtensionManager.cpp
index c7528486a..97b808eb2 100644
--- a/mix/CodeEditorExtensionManager.cpp
+++ b/mix/CodeEditorExtensionManager.cpp
@@ -26,8 +26,6 @@
 #include <QQmlComponent>
 #include <QQuickTextDocument>
 #include "StatusPane.h"
-#include "AssemblyDebuggerControl.h"
-#include "StateListView.h"
 #include "AppContext.h"
 #include "MixApplication.h"
 #include "CodeModel.h"
@@ -56,13 +54,9 @@ void CodeEditorExtensionManager::loadEditor(QQuickItem* _editor)
 void CodeEditorExtensionManager::initExtensions()
 {
 	std::shared_ptr<StatusPane> output = std::make_shared<StatusPane>(m_appContext);
-	std::shared_ptr<AssemblyDebuggerControl> debug = std::make_shared<AssemblyDebuggerControl>(m_appContext);
-	std::shared_ptr<StateListView> stateList = std::make_shared<StateListView>(m_appContext);
 	QObject::connect(m_appContext->codeModel(), &CodeModel::compilationComplete, this, &CodeEditorExtensionManager::applyCodeHighlight);
 
 	initExtension(output);
-	initExtension(debug);
-	initExtension(stateList);
 }
 
 void CodeEditorExtensionManager::initExtension(std::shared_ptr<Extension> _ext)
@@ -94,10 +88,10 @@ void CodeEditorExtensionManager::applyCodeHighlight()
 void CodeEditorExtensionManager::setRightView(QQuickItem* _rightView)
 {
 	m_rightView = _rightView;
-	initExtensions(); //TODO: move this to a proper place
 }
 
 void CodeEditorExtensionManager::setHeaderView(QQuickItem* _headerView)
 {
 	m_headerView = _headerView;
+	initExtensions(); //TODO: move this to a proper place
 }
diff --git a/mix/CodeHighlighter.cpp b/mix/CodeHighlighter.cpp
index c1ef39d5d..d76d8b73e 100644
--- a/mix/CodeHighlighter.cpp
+++ b/mix/CodeHighlighter.cpp
@@ -76,14 +76,14 @@ void CodeHighlighter::processSource(std::string const& _source)
 	solidity::Token::Value token = scanner.getCurrentToken();
 	while (token != Token::EOS)
 	{
-		if ((token >= Token::BREAK && token < Token::TYPES_END) ||
-				token == Token::IN || token == Token::DELETE || token == Token::NULL_LITERAL || token == Token::TRUE_LITERAL || token == Token::FALSE_LITERAL)
+		if ((token >= Token::Break && token < Token::TypesEnd) ||
+				token == Token::In || token == Token::Delete || token == Token::NullLiteral || token == Token::TrueLiteral || token == Token::FalseLiteral)
 			m_formats.push_back(FormatRange(CodeHighlighterSettings::Keyword, scanner.getCurrentLocation()));
-		else if (token == Token::STRING_LITERAL)
+		else if (token == Token::StringLiteral)
 			m_formats.push_back(FormatRange(CodeHighlighterSettings::StringLiteral, scanner.getCurrentLocation()));
-		else if (token == Token::COMMENT_LITERAL)
+		else if (token == Token::CommentLiteral)
 			m_formats.push_back(FormatRange(CodeHighlighterSettings::Comment, scanner.getCurrentLocation()));
-		else if (token == Token::NUMBER)
+		else if (token == Token::Number)
 			m_formats.push_back(FormatRange(CodeHighlighterSettings::NumLiteral, scanner.getCurrentLocation()));
 
 		token = scanner.next();
diff --git a/mix/CodeHighlighter.h b/mix/CodeHighlighter.h
index 5083e6c82..3bdff5647 100644
--- a/mix/CodeHighlighter.h
+++ b/mix/CodeHighlighter.h
@@ -81,7 +81,7 @@ public:
 		int start;
 		int length;
 	};
-	typedef std::vector<FormatRange> Formats; // Sorted by start position
+	using Formats = std::vector<FormatRange>; // Sorted by start position
 
 public:
 	/// Collect highligting information by lexing the source
diff --git a/mix/ContractCallDataEncoder.cpp b/mix/ContractCallDataEncoder.cpp
index 29b43bc11..19ece2a4d 100644
--- a/mix/ContractCallDataEncoder.cpp
+++ b/mix/ContractCallDataEncoder.cpp
@@ -51,6 +51,8 @@ void ContractCallDataEncoder::push(bytes const& _b)
 
 QList<QVariableDefinition*> ContractCallDataEncoder::decode(QList<QVariableDeclaration*> const& _returnParameters, bytes _value)
 {
+	bytesConstRef value(&_value);
+	bytes rawParam(32);
 	QList<QVariableDefinition*> r;
 	for (int k = 0; k <_returnParameters.length(); k++)
 	{
@@ -69,11 +71,10 @@ QList<QVariableDefinition*> ContractCallDataEncoder::decode(QList<QVariableDecla
 		else
 			BOOST_THROW_EXCEPTION(Exception() << errinfo_comment("Parameter declaration not found"));
 
-		bytes rawParam(_value.begin(), _value.begin() + 32);
+		value.populate(&rawParam);
 		def->decodeValue(rawParam);
 		r.push_back(def);
-		if (_value.size() > 32)
-			_value =  bytes(_value.begin() + 32, _value.end());
+		value =  value.cropped(32);
 		qDebug() << "decoded return value : " << dec->type() << " " << def->value();
 	}
 	return r;
diff --git a/mix/Exceptions.h b/mix/Exceptions.h
index 5403879f1..46178bf96 100644
--- a/mix/Exceptions.h
+++ b/mix/Exceptions.h
@@ -40,10 +40,10 @@ struct FunctionNotFoundException: virtual Exception {};
 struct ExecutionStateException: virtual Exception {};
 struct ParameterChangedException: virtual Exception {};
 
-typedef boost::error_info<struct tagQmlError, QQmlError> QmlErrorInfo;
-typedef boost::error_info<struct tagFileError, std::string> FileError;
-typedef boost::error_info<struct tagBlockIndex, unsigned> BlockIndex;
-typedef boost::error_info<struct tagFunctionName, std::string> FunctionName;
+using QmlErrorInfo = boost::error_info<struct tagQmlError, QQmlError>;
+using FileError = boost::error_info<struct tagFileError, std::string>;
+using BlockIndex = boost::error_info<struct tagBlockIndex, unsigned>;
+using FunctionName = boost::error_info<struct tagFunctionName, std::string>;
 
 }
 }
diff --git a/mix/MachineStates.h b/mix/MachineStates.h
index d19fd9b74..9506dcf63 100644
--- a/mix/MachineStates.h
+++ b/mix/MachineStates.h
@@ -61,7 +61,7 @@ namespace mix
 	*/
 	struct ExecutionResult
 	{
-		ExecutionResult() : receipt(dev::h256(), dev::h256(), dev::eth::LogEntries()) {}
+		ExecutionResult(): transactionIndex(std::numeric_limits<unsigned>::max()) {}
 
 		std::vector<MachineState> machineStates;
 		std::vector<bytes> transactionData;
@@ -71,9 +71,11 @@ namespace mix
 		dev::Address sender;
 		dev::Address contractAddress;
 		dev::u256 value;
-		dev::eth::TransactionReceipt receipt;
+		unsigned transactionIndex;
+
+		bool isCall() const { return transactionIndex == std::numeric_limits<unsigned>::max(); }
 	};
 
 	using ExecutionResults = std::vector<ExecutionResult>;
 }
-}
\ No newline at end of file
+}
diff --git a/mix/MixClient.cpp b/mix/MixClient.cpp
index 2db5ecf5b..b2a367929 100644
--- a/mix/MixClient.cpp
+++ b/mix/MixClient.cpp
@@ -15,7 +15,6 @@
 	along with cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
 */
 /** @file MixClient.cpp
- * @author Yann yann@ethdev.com
  * @author Arkadiy Paronyan arkadiy@ethdev.com
  * @date 2015
  * Ethereum IDE client.
@@ -27,6 +26,7 @@
 #include <libethereum/Transaction.h>
 #include <libethereum/Executive.h>
 #include <libethereum/ExtVM.h>
+#include <libethereum/BlockChain.h>
 #include <libevm/VM.h>
 
 #include "Exceptions.h"
@@ -34,15 +34,37 @@
 
 using namespace dev;
 using namespace dev::eth;
-using namespace dev::mix;
+
+namespace dev
+{
+namespace mix
+{
 
 const Secret c_userAccountSecret = Secret("cb73d9408c4720e230387d956eb0f829d8a4dd2c1055f96257167e14e7169074");
+const u256 c_mixGenesisDifficulty = (u256) 1 << 4;
+
+class MixBlockChain: public dev::eth::BlockChain
+{
+public:
+	MixBlockChain(std::string const& _path, h256 _stateRoot):  BlockChain(createGenesisBlock(_stateRoot), _path, true)
+	{
+	}
+
+	static bytes createGenesisBlock(h256 _stateRoot)
+	{
+		RLPStream block(3);
+		block.appendList(14)
+				<< h256() << EmptyListSHA3 << h160() << _stateRoot << EmptyTrie << EmptyTrie << LogBloom() << c_mixGenesisDifficulty << 0 << 1000000 << 0 << (unsigned)0 << std::string() << sha3(bytes(1, 42));
+		block.appendRaw(RLPEmptyList);
+		block.appendRaw(RLPEmptyList);
+		return block.out();
+	}
+};
 
 MixClient::MixClient(std::string const& _dbPath):
-	m_userAccount(c_userAccountSecret), m_bc(_dbPath, true), m_dbPath(_dbPath), m_minigThreads(0)
+	m_userAccount(c_userAccountSecret), m_dbPath(_dbPath), m_minigThreads(0)
 {
-	//TODO: put this into genesis block somehow
-	//resetState(10000000 * ether);
+	resetState(10000000 * ether);
 }
 
 MixClient::~MixClient()
@@ -51,32 +73,34 @@ MixClient::~MixClient()
 
 void MixClient::resetState(u256 _balance)
 {
-	(void) _balance;
-	{
-		WriteGuard l(x_state);
-		Guard fl(m_filterLock);
-		m_filters.clear();
-		m_watches.clear();
-		m_bc.reopen(m_dbPath, true);
-		m_state = eth::State();
-		m_stateDB = OverlayDB();
-		m_state = eth::State(m_userAccount.address(), m_stateDB, BaseState::CanonGenesis);
-		m_state.sync(m_bc);
-		m_startState = m_state;
-		m_pendingExecutions.clear();
-	}
-	mine();
+	WriteGuard l(x_state);
+	Guard fl(m_filterLock);
+	m_filters.clear();
+	m_watches.clear();
+
+	m_stateDB = OverlayDB();
+	TrieDB<Address, MemoryDB> accountState(&m_stateDB);
+	accountState.init();
+	std::map<Address, Account> genesisState = { std::make_pair(KeyPair(c_userAccountSecret).address(), Account(_balance, Account::NormalCreation)) };
+	dev::eth::commit(genesisState, static_cast<MemoryDB&>(m_stateDB), accountState);
+	h256 stateRoot = accountState.root();
+	m_bc.reset();
+	m_bc.reset(new MixBlockChain(m_dbPath, stateRoot));
+	m_state = eth::State(m_userAccount.address(), m_stateDB, BaseState::Empty);
+	m_state.sync(bc());
+	m_startState = m_state;
+	m_executions.clear();
 }
 
-void MixClient::executeTransaction(Transaction const& _t, State& _state)
+void MixClient::executeTransaction(Transaction const& _t, State& _state, bool _call)
 {
 	bytes rlp = _t.rlp();
 
 	// do debugging run first
 	LastHashes lastHashes(256);
-	lastHashes[0] = m_bc.numberHash(m_bc.number());
+	lastHashes[0] = bc().numberHash(bc().number());
 	for (unsigned i = 1; i < 256; ++i)
-		lastHashes[i] = lastHashes[i - 1] ? m_bc.details(lastHashes[i - 1]).parent : h256();
+		lastHashes[i] = lastHashes[i - 1] ? bc().details(lastHashes[i - 1]).parent : h256();
 
 	State execState = _state;
 	Executive execution(execState, lastHashes, 0);
@@ -145,64 +169,56 @@ void MixClient::executeTransaction(Transaction const& _t, State& _state)
 	d.value = _t.value();
 	if (_t.isCreation())
 		d.contractAddress = right160(sha3(rlpList(_t.sender(), _t.nonce())));
-	d.receipt = TransactionReceipt(execState.rootHash(), execution.gasUsed(), execution.logs()); //TODO: track gas usage
-	m_pendingExecutions.emplace_back(std::move(d));
+	if (!_call)
+		d.transactionIndex = m_state.pending().size();
+	m_executions.emplace_back(std::move(d));
 
 	// execute on a state
-	_state.execute(lastHashes, rlp, nullptr, true);
-
-	// collect watches
-	h256Set changed;
-	Guard l(m_filterLock);
-	for (std::pair<h256 const, eth::InstalledFilter>& i: m_filters)
-		if ((unsigned)i.second.filter.latest() > m_bc.number())
-		{
-			// acceptable number.
-			auto m = i.second.filter.matches(_state.receipt(_state.pending().size() - 1));
-			if (m.size())
+	if (!_call)
+	{
+		_state.execute(lastHashes, rlp, nullptr, true);
+		// collect watches
+		h256Set changed;
+		Guard l(m_filterLock);
+		for (std::pair<h256 const, eth::InstalledFilter>& i: m_filters)
+			if ((unsigned)i.second.filter.latest() > bc().number())
 			{
-				// filter catches them
-				for (LogEntry const& l: m)
-					i.second.changes.push_back(LocalisedLogEntry(l, m_bc.number() + 1));
-				changed.insert(i.first);
+				// acceptable number.
+				auto m = i.second.filter.matches(_state.receipt(_state.pending().size() - 1));
+				if (m.size())
+				{
+					// filter catches them
+					for (LogEntry const& l: m)
+						i.second.changes.push_back(LocalisedLogEntry(l, bc().number() + 1));
+					changed.insert(i.first);
+				}
 			}
-		}
-	changed.insert(dev::eth::PendingChangedFilter);
-	noteChanged(changed);
+		changed.insert(dev::eth::PendingChangedFilter);
+		noteChanged(changed);
+	}
 }
 
 void MixClient::mine()
 {
 	WriteGuard l(x_state);
-	m_state.commitToMine(m_bc);
+	m_state.commitToMine(bc());
 	while (!m_state.mine(100, true).completed) {}
 	m_state.completeMine();
-	m_bc.import(m_state.blockData(), m_stateDB);
-	m_state.sync(m_bc);
-	//m_state.cleanup(true);
+	bc().import(m_state.blockData(), m_stateDB);
+	m_state.sync(bc());
 	m_startState = m_state;
-	m_executions.emplace_back(std::move(m_pendingExecutions));
 	h256Set changed { dev::eth::PendingChangedFilter, dev::eth::ChainChangedFilter };
 	noteChanged(changed);
 }
 
-ExecutionResult const& MixClient::execution(unsigned _block, unsigned _transaction) const
-{
-	if (_block == m_bc.number() + 1)
-		return m_pendingExecutions.at(_transaction);
-	return m_executions.at(_block).at(_transaction);
-}
-
 ExecutionResult const& MixClient::lastExecution() const
 {
-	if (m_pendingExecutions.size() > 0)
-		return m_pendingExecutions.back();
-	return m_executions.back().back();
+	return m_executions.back();
 }
 
-ExecutionResults const& MixClient::pendingExecutions() const
+ExecutionResults const& MixClient::executions() const
 {
-	return m_pendingExecutions;
+	return m_executions;
 }
 
 State MixClient::asOf(int _block) const
@@ -213,25 +229,23 @@ State MixClient::asOf(int _block) const
 	else if (_block == -1)
 		return m_startState;
 	else
-		return State(m_stateDB, m_bc, m_bc.numberHash(_block));
+		return State(m_stateDB, bc(), bc().numberHash(_block));
 }
 
 void MixClient::transact(Secret _secret, u256 _value, Address _dest, bytes const& _data, u256 _gas, u256 _gasPrice)
 {
 	WriteGuard l(x_state);
 	u256 n = m_state.transactionsFrom(toAddress(_secret));
-	_gasPrice = 0; //TODO: remove after fixing setBalance
 	Transaction t(_value, _gasPrice, _gas, _dest, _data, n, _secret);
-	executeTransaction(t, m_state);
+	executeTransaction(t, m_state, false);
 }
 
 Address MixClient::transact(Secret _secret, u256 _endowment, bytes const& _init, u256 _gas, u256 _gasPrice)
 {
 	WriteGuard l(x_state);
 	u256 n = m_state.transactionsFrom(toAddress(_secret));
-	_gasPrice = 0; //TODO: remove after fixing setBalance
 	eth::Transaction t(_endowment, _gasPrice, _gas, _init, n, _secret);
-	executeTransaction(t, m_state);
+	executeTransaction(t, m_state, false);
 	Address address = right160(sha3(rlpList(t.sender(), t.nonce())));
 	return address;
 }
@@ -240,7 +254,7 @@ void MixClient::inject(bytesConstRef _rlp)
 {
 	WriteGuard l(x_state);
 	eth::Transaction t(_rlp, CheckSignature::None);
-	executeTransaction(t, m_state);
+	executeTransaction(t, m_state, false);
 }
 
 void MixClient::flushTransactions()
@@ -259,8 +273,8 @@ bytes MixClient::call(Secret _secret, u256 _value, Address _dest, bytes const& _
 	Transaction t(_value, _gasPrice, _gas, _dest, _data, n, _secret);
 	bytes rlp = t.rlp();
 	WriteGuard lw(x_state); //TODO: lock is required only for last execution state
-	executeTransaction(t, temp);
-	return m_pendingExecutions.back().returnValue;
+	executeTransaction(t, temp, true);
+	return lastExecution().returnValue;
 }
 
 u256 MixClient::balanceAt(Address _a, int _block) const
@@ -301,12 +315,12 @@ eth::LocalisedLogEntries MixClient::logs(unsigned _watchId) const
 eth::LocalisedLogEntries MixClient::logs(eth::LogFilter const& _f) const
 {
 	LocalisedLogEntries ret;
-	unsigned lastBlock = m_bc.number();
+	unsigned lastBlock = bc().number();
 	unsigned block = std::min<unsigned>(lastBlock, (unsigned)_f.latest());
 	unsigned end = std::min(lastBlock, std::min(block, (unsigned)_f.earliest()));
 	unsigned skip = _f.skip();
 	// Pending transactions
-	if (block > m_bc.number())
+	if (block > bc().number())
 	{
 		ReadGuard l(x_state);
 		for (unsigned i = 0; i < m_state.pending().size(); ++i)
@@ -318,15 +332,15 @@ eth::LocalisedLogEntries MixClient::logs(eth::LogFilter const& _f) const
 				ret.insert(ret.begin(), LocalisedLogEntry(logEntries[entry], block));
 			skip -= std::min(skip, static_cast<unsigned>(logEntries.size()));
 		}
-		block = m_bc.number();
+		block = bc().number();
 	}
 
 	// The rest
-	auto h = m_bc.numberHash(block);
+	auto h = bc().numberHash(block);
 	for (; ret.size() != block && block != end; block--)
 	{
-		if (_f.matches(m_bc.info(h).logBloom))
-			for (TransactionReceipt receipt: m_bc.receipts(h).receipts)
+		if (_f.matches(bc().info(h).logBloom))
+			for (TransactionReceipt receipt: bc().receipts(h).receipts)
 				if (_f.matches(receipt.bloom()))
 				{
 					LogEntries logEntries = _f.matches(receipt);
@@ -334,7 +348,7 @@ eth::LocalisedLogEntries MixClient::logs(eth::LogFilter const& _f) const
 						ret.insert(ret.begin(), LocalisedLogEntry(logEntries[entry], block));
 					skip -= std::min(skip, static_cast<unsigned>(logEntries.size()));
 				}
-		h = m_bc.details(h).parent;
+		h = bc().details(h).parent;
 	}
 	return ret;
 }
@@ -416,22 +430,22 @@ LocalisedLogEntries MixClient::checkWatch(unsigned _watchId)
 
 h256 MixClient::hashFromNumber(unsigned _number) const
 {
-	return m_bc.numberHash(_number);
+	return bc().numberHash(_number);
 }
 
 eth::BlockInfo MixClient::blockInfo(h256 _hash) const
 {
-	return BlockInfo(m_bc.block(_hash));
+	return BlockInfo(bc().block(_hash));
 }
 
 eth::BlockDetails MixClient::blockDetails(h256 _hash) const
 {
-	return m_bc.details(_hash);
+	return bc().details(_hash);
 }
 
 eth::Transaction MixClient::transaction(h256 _blockHash, unsigned _i) const
 {
-	auto bl = m_bc.block(_blockHash);
+	auto bl = bc().block(_blockHash);
 	RLP b(bl);
 	if (_i < b[1].itemCount())
 		return Transaction(b[1][_i].data(), CheckSignature::Range);
@@ -441,7 +455,7 @@ eth::Transaction MixClient::transaction(h256 _blockHash, unsigned _i) const
 
 eth::BlockInfo MixClient::uncle(h256 _blockHash, unsigned _i) const
 {
-	auto bl = m_bc.block(_blockHash);
+	auto bl = bc().block(_blockHash);
 	RLP b(bl);
 	if (_i < b[2].itemCount())
 		return BlockInfo::fromHeader(b[2][_i].data());
@@ -451,7 +465,7 @@ eth::BlockInfo MixClient::uncle(h256 _blockHash, unsigned _i) const
 
 unsigned MixClient::number() const
 {
-	return m_bc.number();
+	return bc().number();
 }
 
 eth::Transactions MixClient::pending() const
@@ -461,7 +475,7 @@ eth::Transactions MixClient::pending() const
 
 eth::StateDiff MixClient::diff(unsigned _txi, h256 _block) const
 {
-	State st(m_stateDB, m_bc, _block);
+	State st(m_stateDB, bc(), _block);
 	return st.fromPending(_txi).diff(st.fromPending(_txi + 1));
 }
 
@@ -526,3 +540,6 @@ eth::MineProgress MixClient::miningProgress() const
 {
 	return eth::MineProgress();
 }
+
+}
+}
diff --git a/mix/MixClient.h b/mix/MixClient.h
index bd1002527..9ec5ff659 100644
--- a/mix/MixClient.h
+++ b/mix/MixClient.h
@@ -27,7 +27,6 @@
 #include <string>
 #include <libethereum/Interface.h>
 #include <libethereum/Client.h>
-#include <libethereum/CanonBlockChain.h>
 #include "MachineStates.h"
 
 namespace dev
@@ -35,6 +34,8 @@ namespace dev
 namespace mix
 {
 
+class MixBlockChain;
+
 class MixClient: public dev::eth::Interface
 {
 public:
@@ -44,9 +45,8 @@ public:
 	void resetState(u256 _balance);
 	KeyPair const& userAccount() const { return m_userAccount; }
 	void mine();
-	ExecutionResult const& execution(unsigned _block, unsigned _transaction) const;
 	ExecutionResult const& lastExecution() const;
-	ExecutionResults const& pendingExecutions() const;
+	ExecutionResults const& executions() const;
 
 	//dev::eth::Interface
 	void transact(Secret _secret, u256 _value, Address _dest, bytes const& _data, u256 _gas, u256 _gasPrice) override;
@@ -85,23 +85,26 @@ public:
 	void stopMining() override;
 	bool isMining() override;
 	eth::MineProgress miningProgress() const override;
+	std::pair<h256, u256> getWork() override { return std::pair<h256, u256>(); }
+	bool submitNonce(h256 const&) override { return false; }
 
 private:
-	void executeTransaction(dev::eth::Transaction const& _t, eth::State& _state);
+	void executeTransaction(dev::eth::Transaction const& _t, eth::State& _state, bool _call);
 	void noteChanged(h256Set const& _filters);
 	dev::eth::State asOf(int _block) const;
+	MixBlockChain& bc() { return *m_bc; }
+	MixBlockChain const& bc() const { return *m_bc; }
 
 	KeyPair m_userAccount;
 	eth::State m_state;
 	eth::State m_startState;
 	OverlayDB m_stateDB;
-	eth::CanonBlockChain m_bc;
+	std::auto_ptr<MixBlockChain> m_bc;
 	mutable boost::shared_mutex x_state;
 	mutable std::mutex m_filterLock;
 	std::map<h256, dev::eth::InstalledFilter> m_filters;
 	std::map<unsigned, dev::eth::ClientWatch> m_watches;
-	std::vector<ExecutionResults> m_executions;
-	ExecutionResults m_pendingExecutions;
+	ExecutionResults m_executions;
 	std::string m_dbPath;
 	unsigned m_minigThreads;
 };
diff --git a/mix/StateListView.cpp b/mix/StateListView.cpp
deleted file mode 100644
index 835c332aa..000000000
--- a/mix/StateListView.cpp
+++ /dev/null
@@ -1,48 +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 StateListView.cpp
- * @author Arkadiy Paronyan arkadiy@ethdev.com
- * @date 2014
- * Ethereum IDE client.
- */
-
-#include <QQuickItem>
-#include <QApplication>
-#include <QQmlApplicationEngine>
-#include <QQmlContext>
-#include <QDebug>
-#include "StateListView.h"
-
-using namespace dev::mix;
-
-StateListView::StateListView(AppContext* _context): Extension(_context, ExtensionDisplayBehavior::RightView)
-{
-}
-
-QString StateListView::contentUrl() const
-{
-	return QStringLiteral("qrc:/qml/StateList.qml");
-}
-
-QString StateListView::title() const
-{
-	return QApplication::tr("States");
-}
-
-void StateListView::start() const
-{
-}
diff --git a/mix/StateListView.h b/mix/StateListView.h
deleted file mode 100644
index 18d1ae879..000000000
--- a/mix/StateListView.h
+++ /dev/null
@@ -1,45 +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 StateListView.h
- * @author Arkadiy Paronyan arkadiy@ethdev.com
- * @date 2014
- * Ethereum IDE client.
- */
-
-#pragma once
-
-#include <memory>
-#include <QTextDocument>
-#include "Extension.h"
-
-namespace dev
-{
-namespace mix
-{
-
-/// State list control
-class StateListView: public Extension
-{
-	Q_OBJECT
-
-public:
-	StateListView(AppContext* _context);
-	void start() const override;
-	QString title() const override;
-	QString contentUrl() const override;
-};
-
-}
-
-}
diff --git a/mix/qml/CallStack.qml b/mix/qml/CallStack.qml
deleted file mode 100644
index 218c8c02e..000000000
--- a/mix/qml/CallStack.qml
+++ /dev/null
@@ -1,31 +0,0 @@
-import QtQuick 2.2
-import QtQuick.Controls.Styles 1.1
-import QtQuick.Controls 1.1
-import QtQuick.Layouts 1.1
-
-Item {
-	property alias model: callTable.model
-	signal frameActivated(int index)
-	ColumnLayout {
-		anchors.fill: parent
-		Text {
-			text: qsTr("Call Stack")
-			Layout.fillWidth: true
-		}
-		TableView {
-			id: callTable
-			Layout.fillWidth: true
-			Layout.fillHeight: true
-			headerDelegate: null
-
-			TableViewColumn {
-				role: "modelData"
-				title: qsTr("Address")
-				width: parent.width
-			}
-			onActivated:  {
-				frameActivated(row);
-			}
-		}
-	}
-}
diff --git a/mix/qml/DebugInfoList.qml b/mix/qml/DebugInfoList.qml
index cad2a4c9e..c1ab11596 100644
--- a/mix/qml/DebugInfoList.qml
+++ b/mix/qml/DebugInfoList.qml
@@ -4,14 +4,19 @@ import QtQuick.Layouts 1.0
 import QtQuick.Controls.Styles 1.1
 
 ColumnLayout {
+	id: root
 	property string title
 	property variant listModel;
 	property bool collapsible;
+	property bool enableSelection;
+	property real storedHeight: 0;
 	property Component itemDelegate
+	signal rowActivated(int index)
 	spacing: 0
 
 	function collapse()
 	{
+		storedHeight = childrenRect.height;
 		storageContainer.state = "collapsed";
 	}
 
@@ -32,7 +37,9 @@ ColumnLayout {
 		Image {
 			source: "qrc:/qml/img/opentriangleindicator.png"
 			width: 15
+			height: 15
 			sourceSize.width: 15
+			sourceSize.height: 15
 			id: storageImgArrow
 		}
 
@@ -53,16 +60,20 @@ ColumnLayout {
 					if (storageContainer.state == "collapsed")
 					{
 						storageContainer.state = "";
-						storageContainer.parent.parent.height = storageContainer.parent.parent.Layout.maximumHeight;
+						storageContainer.parent.parent.height = storedHeight;
 					}
 					else
+					{
+						storedHeight = root.childrenRect.height;
 						storageContainer.state = "collapsed";
+					}
 				}
 			}
 		}
 	}
 	Rectangle
 	{
+		id: storageContainer
 		border.width: 3
 		border.color: "#deddd9"
 		Layout.fillWidth: true
@@ -80,18 +91,35 @@ ColumnLayout {
 				}
 			}
 		]
-		id: storageContainer
-		ListView {
+		TableView {
 			clip: true;
+			alternatingRowColors: false
 			anchors.top: parent.top
 			anchors.left: parent.left
 			anchors.topMargin: 3
 			anchors.leftMargin: 3
 			width: parent.width - 3
 			height: parent.height - 6
-			id: storageList
 			model: listModel
-			delegate: itemDelegate
+			selectionMode: enableSelection ? SelectionMode.SingleSelection : SelectionMode.NoSelection
+			headerDelegate: null
+			itemDelegate: root.itemDelegate
+			onHeightChanged:  {
+				if (height <= 0 && collapsible) {
+					if (storedHeight <= 0)
+						storedHeight = 200;
+					storageContainer.state = "collapsed";
+				}
+				else if (height > 0 && storageContainer.state == "collapsed") {
+					//TODO: fix increasing size
+					//storageContainer.state = "";
+				}
+			}
+			onActivated: rowActivated(row);
+			TableViewColumn {
+				role: "modelData"
+				width: parent.width
+			}
 		}
 	}
 }
diff --git a/mix/qml/Debugger.qml b/mix/qml/Debugger.qml
index 502f3242e..e9c718f70 100644
--- a/mix/qml/Debugger.qml
+++ b/mix/qml/Debugger.qml
@@ -9,8 +9,10 @@ import "js/ErrorLocationFormater.js" as ErrorLocationFormater
 
 Rectangle {
 	id: debugPanel
+
+	property alias transactionLog : transactionLog
+
 	objectName: "debugPanel"
-	anchors.fill: parent;
 	color: "#ededed"
 	clip: true
 
@@ -22,7 +24,7 @@ Rectangle {
 
 	function update(data, giveFocus)
 	{
-		if (statusPane.result.successful)
+		if (statusPane && statusPane.result.successful)
 		{
 			Debugger.init(data);
 			debugScrollArea.visible = true;
@@ -55,6 +57,16 @@ Rectangle {
 		onCompilationComplete: update(null, false);
 	}
 
+	Settings {
+		id: splitSettings
+		property alias transactionLogHeight: transactionLog.height
+		property alias callStackHeight: callStackRect.height
+		property alias storageHeightSettings: storageRect.height
+		property alias memoryDumpHeightSettings: memoryRect.height
+		property alias callDataHeightSettings: callDataRect.height
+		property alias transactionLogVisible: transactionLog.visible
+	}
+
 	Rectangle
 	{
 		visible: false;
@@ -104,49 +116,56 @@ Rectangle {
 		}
 	}
 
-	Flickable {
-		property int firstColumnWidth: 180
-		property int secondColumnWidth: 250
+	SplitView {
 		id: debugScrollArea
-		flickableDirection: Flickable.VerticalFlick
 		anchors.fill: parent
-		contentHeight: 4000
-		contentWidth: parent.width
-		Rectangle
-		{
+		orientation: Qt.Vertical
+		handleDelegate: Rectangle {
+			height: machineStates.sideMargin
 			color: "transparent"
-			anchors.fill: parent
-			ColumnLayout
-			{
-				property int sideMargin: 10
-				id: machineStates
+		}
+
+		TransactionLog {
+			id: transactionLog
+			Layout.fillWidth: true
+			Layout.minimumHeight: 60
+			height: 250
+		}
+		ScrollView
+		{
+			property int sideMargin: 10
+			id: machineStates
+			Layout.fillWidth: true
+			Layout.fillHeight: true
+			function updateHeight() {
+				statesLayout.height = buttonRow.childrenRect.height + assemblyCodeRow.childrenRect.height +
+						callStackRect.childrenRect.height + storageRect.childrenRect.height + memoryRect.childrenRect.height + callDataRect.childrenRect.height + 120;
+			}
+
+			Component.onCompleted: updateHeight();
+
+			ColumnLayout {
+				id: statesLayout
 				anchors.top: parent.top
 				anchors.topMargin: 15
 				anchors.left: parent.left;
 				anchors.leftMargin: machineStates.sideMargin
-				anchors.right: parent.right;
-				anchors.rightMargin: machineStates.sideMargin
-				anchors.fill: parent
-				Layout.fillWidth: true
-				Layout.fillHeight: true
-
-				TransactionLog {
-					Layout.fillWidth: true
-					height: 250
-				}
+				width: debugScrollArea.width - machineStates.sideMargin * 2 - 20;
+				spacing: machineStates.sideMargin
 
-				RowLayout {
+				Rectangle {
 					// step button + slider
 					id: buttonRow
-					spacing: machineStates.sideMargin
 					height: 27
 					Layout.fillWidth: true
+					color: "transparent"
 
-					Rectangle
-					{
-						height: parent.height
+					Rectangle {
+						anchors.top: parent.top
+						anchors.bottom: parent.bottom
+						anchors.left: parent.left
 						color: "transparent"
-						width: debugScrollArea.firstColumnWidth
+						width: stateListContainer.width
 						RowLayout {
 							anchors.horizontalCenter: parent.horizontalCenter
 							id: jumpButtons
@@ -226,9 +245,11 @@ Rectangle {
 					}
 
 					Rectangle {
+						anchors.top: parent.top
+						anchors.bottom: parent.bottom
+						anchors.right: parent.right
+						width: debugInfoContainer.width
 						color: "transparent"
-						Layout.fillWidth: true
-						height: parent.height
 						Slider {
 							id: statesSlider
 							anchors.fill: parent
@@ -255,83 +276,99 @@ Rectangle {
 					}
 				}
 
-				RowLayout {
+				Rectangle {
 					// Assembly code
 					id: assemblyCodeRow
 					Layout.fillWidth: true
 					height: 405
 					implicitHeight: 405
-					spacing: machineStates.sideMargin
+					color: "transparent"
 
 					Rectangle
 					{
 						id: stateListContainer
-						width: debugScrollArea.firstColumnWidth
+						anchors.top : parent.top
+						anchors.bottom: parent.bottom
+						anchors.left: parent.left
+						width: parent.width * 0.4
 						height: parent.height
 						border.width: 3
 						border.color: "#deddd9"
 						color: "white"
-						anchors.top: parent.top
-						ListView {
+						TableView {
+							id: statesList
 							anchors.fill: parent
 							anchors.leftMargin: 3
 							anchors.rightMargin: 3
 							anchors.topMargin: 3
 							anchors.bottomMargin: 3
 							clip: true
-							id: statesList
-							delegate: renderDelegate
-							highlight: highlightBar
-							//highlightFollowsCurrentItem: false
+							headerDelegate: null
+							itemDelegate: renderDelegate
 							model: ListModel {}
+							TableViewColumn {
+								role: "line"
+								width: parent.width - 10
+							}
+
 						}
 
 						Component {
 							id: highlightBar
 							Rectangle {
 								radius: 4
-								height: statesList.currentItem.height
-								width: statesList.currentItem.width;
+								anchors.fill: parent
 								y: statesList.currentItem.y
 								color: "#4A90E2"
-								//Behavior on y {
-								//	 PropertyAnimation { properties: "y"; easing.type: Easing.InOutQuad; duration: 50}
-								//}
 							}
 						}
 
 						Component {
 							id: renderDelegate
-							RowLayout {
-								id: wrapperItem
-								height: 20
-								width: parent.width
-								spacing: 5
-								Text {
-									anchors.left: parent.left
-									anchors.leftMargin: 10
-									width: 15
-									color: "#b2b3ae"
-									text: line.split(' ')[0]
-									font.family: "monospace"
-									font.pointSize: 9
-									id: id
-									wrapMode: Text.NoWrap
+							Item {
+								Rectangle {
+									radius: 4
+									anchors.fill: parent
+									color: "#4A90E2"
+									visible: styleData.selected;
 								}
-								Text {
-									wrapMode: Text.NoWrap
-									color: parent.ListView.isCurrentItem ? "white" : "black"
-									font.family: "monospace"
-									text: line.replace(line.split(' ')[0], '')
-									anchors.left: id.right
-									font.pointSize: 9
+
+								RowLayout {
+									id: wrapperItem
+									anchors.fill: parent
+									spacing: 5
+
+
+									Text {
+										anchors.left: parent.left
+										anchors.leftMargin: 10
+										width: 15
+										color: "#b2b3ae"
+										text: styleData.value.split(' ')[0]
+										font.family: "monospace"
+										font.pointSize: 9
+										wrapMode: Text.NoWrap
+										id: id
+									}
+									Text {
+										anchors.left: id.right;
+										wrapMode: Text.NoWrap
+										color: styleData.selected ? "white" : "black"
+										font.family: "monospace"
+										text: styleData.value.replace(styleData.value.split(' ')[0], '')
+										font.pointSize: 9
+									}
 								}
 							}
 						}
 					}
 
 					Rectangle {
-						Layout.fillWidth: true
+						id: debugInfoContainer
+						width: parent.width * 0.6 - machineStates.sideMargin
+						anchors.top : parent.top
+						anchors.bottom: parent.bottom
+						anchors.right: parent.right
 						height: parent.height //- 2 * stateListContainer.border.width
 						color: "transparent"
 						ColumnLayout
@@ -372,7 +409,7 @@ Rectangle {
 								title : qsTr("Stack")
 								itemDelegate: Item {
 									id: renderedItem
-									height: 25
+									//height: 25
 									width: parent.width
 									RowLayout
 									{
@@ -391,7 +428,7 @@ Rectangle {
 												anchors.leftMargin: 5
 												font.family: "monospace"
 												color: "#4a4a4a"
-												text: model.index;
+												text: styleData.row;
 												font.pointSize: 9
 											}
 										}
@@ -402,7 +439,6 @@ Rectangle {
 											Layout.fillWidth: true
 											Layout.minimumWidth: 15
 											Layout.preferredWidth: 15
-											Layout.maximumWidth: 60
 											Layout.minimumHeight: parent.height
 											Text {
 												anchors.left: parent.left
@@ -410,7 +446,7 @@ Rectangle {
 												font.family: "monospace"
 												anchors.verticalCenter: parent.verticalCenter
 												color: "#4a4a4a"
-												text: modelData
+												text: styleData.value
 												font.pointSize: 9
 											}
 										}
@@ -434,42 +470,95 @@ Rectangle {
 					id: splitInfoList
 					Layout.fillHeight: true
 					Layout.fillWidth: true
-
-					Settings {
-						id: splitSettings
-						property alias storageHeightSettings: storageRect.height
-						property alias memoryDumpHeightSettings: memoryRect.height
-						property alias callDataHeightSettings: callDataRect.height
-					}
-
 					orientation: Qt.Vertical
-					width: debugPanel.width - 2 * machineStates.sideMargin
-
 
 					Rectangle
 					{
 						id: callStackRect;
 						color: "transparent"
-						height: 120
-						width: parent.width
-						Layout.minimumHeight: 120
-						Layout.maximumHeight: 400
-						CallStack {
-							anchors.fill: parent
+						Layout.minimumHeight: 25
+						Layout.maximumHeight: 800
+						onHeightChanged: machineStates.updateHeight();
+						DebugInfoList
+						{
 							id: callStack
-							onFrameActivated: Debugger.displayFrame(index);
+							collapsible: true
+							anchors.fill: parent
+							title : qsTr("Call Stack")
+							enableSelection: true
+							onRowActivated: Debugger.displayFrame(index);
+							itemDelegate:
+								Item {
+								anchors.fill: parent
+
+								Rectangle {
+									anchors.fill: parent
+									color: "#4A90E2"
+									visible: styleData.selected;
+								}
+
+								RowLayout
+								{
+									id: row
+									anchors.fill: parent
+									Rectangle
+									{
+										color: "#f7f7f7"
+										Layout.fillWidth: true
+										Layout.minimumWidth: 30
+										Layout.maximumWidth: 30
+										Text {
+											anchors.verticalCenter: parent.verticalCenter
+											anchors.left: parent.left
+											font.family: "monospace"
+											anchors.leftMargin: 5
+											color: "#4a4a4a"
+											text: styleData.row;
+											font.pointSize: 9
+											width: parent.width - 5
+											elide: Text.ElideRight
+										}
+									}
+									Rectangle
+									{
+										color: "transparent"
+										Layout.fillWidth: true
+										Layout.minimumWidth: parent.width - 30
+										Layout.maximumWidth: parent.width - 30
+										Text {
+											anchors.leftMargin: 5
+											width: parent.width - 5
+											wrapMode: Text.Wrap
+											anchors.left: parent.left
+											font.family: "monospace"
+											anchors.verticalCenter: parent.verticalCenter
+											color: "#4a4a4a"
+											text: styleData.value;
+											elide: Text.ElideRight
+											font.pointSize: 9
+										}
+									}
+								}
+
+								Rectangle {
+									anchors.top: row.bottom
+									width: parent.width;
+									height: 1;
+									color: "#cccccc"
+									anchors.bottom: parent.bottom
+								}
+							}
 						}
 					}
 
-
 					Rectangle
 					{
 						id: storageRect
 						color: "transparent"
 						width: parent.width
 						Layout.minimumHeight: 25
-						Layout.maximumHeight: 223
-						height: 25
+						Layout.maximumHeight: 800
+						onHeightChanged: machineStates.updateHeight();
 						DebugInfoList
 						{
 							id: storage
@@ -478,29 +567,24 @@ Rectangle {
 							title : qsTr("Storage")
 							itemDelegate:
 								Item {
-								height: 27
-								width: parent.width;
+								anchors.fill: parent
 								RowLayout
 								{
 									id: row
-									width: parent.width
-									height: 26
+									anchors.fill: parent
 									Rectangle
 									{
 										color: "#f7f7f7"
 										Layout.fillWidth: true
 										Layout.minimumWidth: parent.width / 2
-										Layout.preferredWidth: parent.width / 2
 										Layout.maximumWidth: parent.width / 2
-										Layout.minimumHeight: parent.height
-										Layout.maximumHeight: parent.height
 										Text {
 											anchors.verticalCenter: parent.verticalCenter
 											anchors.left: parent.left
 											font.family: "monospace"
 											anchors.leftMargin: 5
 											color: "#4a4a4a"
-											text: modelData.split('\t')[0];
+											text: styleData.value.split('\t')[0];
 											font.pointSize: 9
 											width: parent.width - 5
 											elide: Text.ElideRight
@@ -511,10 +595,7 @@ Rectangle {
 										color: "transparent"
 										Layout.fillWidth: true
 										Layout.minimumWidth: parent.width / 2
-										Layout.preferredWidth: parent.width / 2
 										Layout.maximumWidth: parent.width / 2
-										Layout.minimumHeight: parent.height
-										Layout.maximumHeight: parent.height
 										Text {
 											anchors.leftMargin: 5
 											width: parent.width - 5
@@ -523,7 +604,7 @@ Rectangle {
 											font.family: "monospace"
 											anchors.verticalCenter: parent.verticalCenter
 											color: "#4a4a4a"
-											text: modelData.split('\t')[1];
+											text: styleData.value.split('\t')[1];
 											elide: Text.ElideRight
 											font.pointSize: 9
 										}
@@ -545,10 +626,10 @@ Rectangle {
 					{
 						id: memoryRect;
 						color: "transparent"
-						height: 25
 						width: parent.width
 						Layout.minimumHeight: 25
-						Layout.maximumHeight: 223
+						Layout.maximumHeight: 800
+						onHeightChanged: machineStates.updateHeight();
 						DebugInfoList {
 							id: memoryDump
 							anchors.fill: parent
@@ -567,10 +648,10 @@ Rectangle {
 					{
 						id: callDataRect
 						color: "transparent"
-						height: 25
 						width: parent.width
 						Layout.minimumHeight: 25
-						Layout.maximumHeight: 223
+						Layout.maximumHeight: 800
+						onHeightChanged: machineStates.updateHeight();
 						DebugInfoList {
 							id: callDataDump
 							anchors.fill: parent
@@ -586,8 +667,9 @@ Rectangle {
 					}
 					Rectangle
 					{
+						id: bottomRect;
 						width: parent.width
-						Layout.minimumHeight: 25
+						Layout.minimumHeight: 20
 						color: "transparent"
 					}
 				}
diff --git a/mix/qml/FilesSection.qml b/mix/qml/FilesSection.qml
new file mode 100644
index 000000000..32202f839
--- /dev/null
+++ b/mix/qml/FilesSection.qml
@@ -0,0 +1,250 @@
+import QtQuick 2.0
+import QtQuick.Window 2.0
+import QtQuick.Layouts 1.0
+import QtQuick.Controls 1.0
+import QtQuick.Controls.Styles 1.3
+import "."
+
+
+ColumnLayout {
+	id: wrapperItem
+	signal documentSelected(string doc, string groupName)
+	property alias model: filesList.model
+	property string sectionName;
+	property variant selManager;
+	Layout.fillWidth: true
+	Layout.minimumHeight: hiddenHeightTopLevel()
+	height: hiddenHeightTopLevel()
+	Layout.maximumHeight: hiddenHeightTopLevel()
+	spacing: 0
+
+	function hiddenHeightTopLevel()
+	{
+		return section.state === "hidden" ? Style.documentsList.height : Style.documentsList.fileNameHeight * model.count + Style.documentsList.height;
+	}
+
+	function hiddenHeightRepeater()
+	{
+		return section.state === "hidden" ? 0 : Style.documentsList.fileNameHeight * wrapperItem.model.count;
+	}
+
+	function hiddenHeightElement()
+	{
+		return section.state === "hidden" ? 0 : Style.documentsList.fileNameHeight;
+	}
+
+	function getDocumentIndex(documentId)
+	{
+		for (var i = 0; i < model.count; i++)
+			if (model.get(i).documentId === documentId)
+				return i;
+		return -1;
+	}
+
+	function removeDocument(documentId)
+	{
+		var i = getDocumentIndex(documentId);
+		if (i !== -1)
+			model.remove(i);
+	}
+
+	FontLoader
+	{
+		id: fileNameFont
+		source: "qrc:/qml/fonts/SourceSansPro-Regular.ttf"
+	}
+
+	FontLoader
+	{
+		id: boldFont
+		source: "qrc:/qml/fonts/SourceSansPro-Bold.ttf"
+	}
+
+	RowLayout
+	{
+		anchors.top: parent.top
+		id: rowCol
+		width: parent.width
+		height: Style.documentsList.height
+
+		Image {
+			source: "qrc:/qml/img/opentriangleindicator_filesproject.png"
+			width: 15
+			sourceSize.width: 12
+			id: imgArrow
+			anchors.right: section.left
+			anchors.rightMargin: 8
+			anchors.top: parent.top
+			anchors.topMargin: 6
+		}
+
+		Text
+		{
+			id: section
+			text: sectionName
+			anchors.left: parent.left
+			anchors.leftMargin: Style.general.leftMargin
+			color: Style.documentsList.sectionColor
+			font.family: boldFont.name
+			font.pointSize: Style.documentsList.sectionFontSize
+			states: [
+				State {
+					name: "hidden"
+					PropertyChanges { target: filesList; visible: false; }
+					PropertyChanges { target: rowCol; Layout.minimumHeight: Style.documentsList.height; Layout.maximumHeight: Style.documentsList.height; height: Style.documentsList.height; }
+					PropertyChanges { target: imgArrow; source: "qrc:/qml/img/closedtriangleindicator_filesproject.png" }
+				}
+			]
+		}
+
+		MouseArea {
+			id: titleMouseArea
+			anchors.fill: parent
+			hoverEnabled: true
+			z: 2
+			onClicked: {
+				if (section.state === "hidden")
+					section.state = "";
+				else
+					section.state = "hidden";
+			}
+		}
+	}
+
+	ColumnLayout {
+		height: wrapperItem.hiddenHeightRepeater()
+		Layout.minimumHeight: wrapperItem.hiddenHeightRepeater()
+		Layout.preferredHeight: wrapperItem.hiddenHeightRepeater()
+		Layout.maximumHeight: wrapperItem.hiddenHeightRepeater()
+		width: parent.width
+		visible: section.state !== "hidden"
+		spacing: 0
+		Repeater
+		{
+			id: filesList
+			visible: section.state !== "hidden"
+			Rectangle
+			{
+				visible: section.state !== "hidden"
+				id: rootItem
+				Layout.fillWidth: true
+				Layout.minimumHeight: wrapperItem.hiddenHeightElement()
+				Layout.preferredHeight: wrapperItem.hiddenHeightElement()
+				Layout.maximumHeight: wrapperItem.hiddenHeightElement()
+				height: wrapperItem.hiddenHeightElement()
+				color: isSelected ? Style.documentsList.highlightColor : Style.documentsList.background
+				property bool isSelected
+				property bool renameMode
+				Text {
+					id: nameText
+					height: parent.height
+					visible: !renameMode
+					color: rootItem.isSelected ? Style.documentsList.selectedColor : Style.documentsList.color
+					text: name;
+					font.family: fileNameFont.name
+					font.pointSize: Style.documentsList.fontSize
+					anchors.verticalCenter: parent.verticalCenter
+					verticalAlignment:  Text.AlignVCenter
+					anchors.left: parent.left
+					anchors.leftMargin: Style.general.leftMargin + 2
+					width: parent.width
+					Connections
+					{
+						target: selManager
+						onSelected: {
+							if (groupName != sectionName)
+								rootItem.isSelected = false;
+							else if (doc === documentId)
+								rootItem.isSelected = true;
+							else
+								rootItem.isSelected = false;
+
+							if (rootItem.isSelected && section.state === "hidden")
+								section.state = "";
+						}
+					}
+				}
+
+				TextInput {
+					id: textInput
+					text: nameText.text
+					visible: renameMode
+					anchors.verticalCenter: parent.verticalCenter
+					anchors.left: parent.left
+					anchors.leftMargin: Style.general.leftMargin
+					MouseArea {
+						id: textMouseArea
+						anchors.fill: parent
+						hoverEnabled: true
+						z: 2
+						onClicked: {
+							textInput.forceActiveFocus();
+						}
+					}
+
+					onVisibleChanged: {
+						if (visible) {
+							selectAll();
+							forceActiveFocus();
+						}
+					}
+
+					onAccepted: close(true);
+					onCursorVisibleChanged: {
+						if (!cursorVisible)
+							close(false);
+					}
+					onFocusChanged: {
+						if (!focus)
+							close(false);
+					}
+					function close(accept) {
+						rootItem.renameMode = false;
+						if (accept)
+						{
+							var i = getDocumentIndex(documentId);
+							projectModel.renameDocument(documentId, textInput.text);
+							wrapperItem.model.set(i, projectModel.getDocument(documentId));
+						}
+					}
+				}
+
+				MouseArea {
+					id: mouseArea
+					z: 1
+					hoverEnabled: false
+					anchors.fill: parent
+					acceptedButtons: Qt.LeftButton | Qt.RightButton
+					onClicked:{
+						if (mouse.button === Qt.RightButton && !isContract)
+							contextMenu.popup();
+						else if (mouse.button === Qt.LeftButton)
+						{
+							rootItem.isSelected = true;
+							projectModel.openDocument(documentId);
+							documentSelected(documentId, groupName);
+						}
+					}
+				}
+
+				Menu {
+					id: contextMenu
+					MenuItem {
+						text: qsTr("Rename")
+						onTriggered: {
+							rootItem.renameMode = true;
+						}
+					}
+					MenuItem {
+						text: qsTr("Delete")
+						onTriggered: {
+							projectModel.removeDocument(documentId);
+							wrapperItem.removeDocument(documentId);
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
diff --git a/mix/qml/MainContent.qml b/mix/qml/MainContent.qml
index e6c636514..d984e2753 100644
--- a/mix/qml/MainContent.qml
+++ b/mix/qml/MainContent.qml
@@ -7,9 +7,9 @@ import Qt.labs.settings 1.0
 import org.ethereum.qml.QEther 1.0
 import "js/QEtherHelper.js" as QEtherHelper
 import "js/TransactionHelper.js" as TransactionHelper
+import "."
 
 Rectangle {
-
 	objectName: "mainContent"
 	signal keyPressed(variant event)
 	focus: true
@@ -21,11 +21,12 @@ Rectangle {
 	anchors.fill: parent
 	id: root
 
-	property alias rightViewVisible : rightView.visible
-	property alias webViewVisible : webPreview.visible
-	property alias projectViewVisible : projectList.visible
-	property alias runOnProjectLoad : mainSettings.runOnProjectLoad
-	property bool webViewHorizontal : codeWebSplitter.orientation === Qt.Vertical //vertical splitter positions elements vertically, splits screen horizontally
+	property alias rightViewVisible: rightView.visible
+	property alias webViewVisible: webPreview.visible
+	property alias projectViewVisible: projectList.visible
+	property alias runOnProjectLoad: mainSettings.runOnProjectLoad
+	property alias rightPane: rightView
+	property bool webViewHorizontal: codeWebSplitter.orientation === Qt.Vertical //vertical splitter positions elements vertically, splits screen horizontally
 	property bool firstCompile: true
 
 	Connections {
@@ -76,7 +77,6 @@ Rectangle {
 
 	CodeEditorExtensionManager {
 		headerView: headerPaneTabs;
-		rightView: rightPaneTabs;
 	}
 
 	Settings {
@@ -121,6 +121,12 @@ Rectangle {
 			}
 		}
 
+		Rectangle{
+			Layout.fillWidth: true
+			height: 1
+			color: "#8c8c8c"
+		}
+
 		Rectangle {
 			Layout.fillWidth: true
 			Layout.preferredHeight: root.height - headerView.height;
@@ -136,16 +142,16 @@ Rectangle {
 			{
 				anchors.fill: parent
 				handleDelegate: Rectangle {
-				   width: 4
-				   height: 4
-				   color: "#cccccc"
+				   width: 1
+				   height: 1
+				   color: "#8c8c8c"
 				}
 				orientation: Qt.Horizontal
 
 				ProjectList	{
 					id: projectList
-					width: 200
-					Layout.minimumWidth: 180
+					width: 350
+					Layout.minimumWidth: 250
 					Layout.fillHeight: true
 				}
 				Rectangle {
@@ -154,9 +160,9 @@ Rectangle {
 					Layout.fillWidth: true
 					SplitView {
 						 handleDelegate: Rectangle {
-							width: 4
-							height: 4
-							color: "#cccccc"
+							width: 1
+							height: 1
+							color: "#8c8c8c"
 						 }
 						id: codeWebSplitter
 						anchors.fill: parent
@@ -178,46 +184,13 @@ Rectangle {
 					}
 				}
 
-				Rectangle {
+				Debugger {
 					visible: false;
 					id: rightView;
 					Layout.fillHeight: true
 					Keys.onEscapePressed: visible = false
-					height: parent.height;
-					width: 515
 					Layout.minimumWidth: 515
 					anchors.right: parent.right
-					Rectangle {
-						anchors.fill: parent;
-						id: rightPaneView
-						TabView {
-							id: rightPaneTabs
-							tabsVisible: true
-							antialiasing: true
-							anchors.fill: parent
-							style: TabViewStyle {
-								frameOverlap: 1
-								tabBar:
-									Rectangle {
-										color: "#ededed"
-										id: background
-									}
-								tab: Rectangle {
-									color: "#ededed"
-									implicitWidth: 80
-									implicitHeight: 20
-									radius: 2
-									Text {
-										anchors.centerIn: parent
-										text: styleData.title
-										color: styleData.selected ? "#7da4cd" : "#202020"
-									}
-								}
-								frame: Rectangle {
-								}
-							}
-						}
-					}
 				}
 			}
 		}
diff --git a/mix/qml/ProjectList.qml b/mix/qml/ProjectList.qml
index 30f945706..138e86fe9 100644
--- a/mix/qml/ProjectList.qml
+++ b/mix/qml/ProjectList.qml
@@ -2,138 +2,166 @@ import QtQuick 2.0
 import QtQuick.Window 2.0
 import QtQuick.Layouts 1.0
 import QtQuick.Controls 1.0
+import QtQuick.Controls.Styles 1.3
+import Qt.labs.settings 1.0
+import "."
 
 Item {
 	property bool renameMode: false;
 	ColumnLayout {
 		anchors.fill: parent
-		Text {
-			Layout.fillWidth: true
-			color: "blue"
-			text: projectModel.projectTitle
-			horizontalAlignment: Text.AlignHCenter
-			visible: !projectModel.isEmpty;
+		id: filesCol
+		spacing: 0
+		FontLoader
+		{
+			id: srcSansProLight
+			source: "qrc:/qml/fonts/SourceSansPro-Light.ttf"
 		}
-		ListView {
-			id: projectList
-			Layout.fillWidth: true
-			Layout.fillHeight: true
 
-			model: projectModel.listModel
+		Rectangle
+		{
+			color: Style.title.background
+			height: Style.title.height
+			Layout.fillWidth: true
+			Image {
+				id: projectIcon
+				source: "qrc:/qml/img/projecticon.png"
+				sourceSize.height: 30
+				anchors.right: projectTitle.left
+				anchors.verticalCenter: parent.verticalCenter
+				anchors.rightMargin: 6
+			}
 
-			delegate: renderDelegate
-			highlight: Rectangle {
-				color: "lightsteelblue";
+			Text
+			{
+				id: projectTitle
+				color: Style.title.color
+				text: projectModel.projectTitle
+				anchors.verticalCenter: parent.verticalCenter
+				visible: !projectModel.isEmpty;
+				anchors.left: parent.left
+				anchors.leftMargin: Style.general.leftMargin
+				font.family: srcSansProLight.name
+				font.pointSize: Style.title.pointSize
+				font.weight: Font.Light
 			}
-			highlightFollowsCurrentItem: true
-			focus: true
-			clip: true
 
-			onCurrentIndexChanged: {
-				if (currentIndex >= 0 && currentIndex < projectModel.listModel.count)
-					projectModel.openDocument(projectModel.listModel.get(currentIndex).documentId);
+			Text
+			{
+				text: "-"
+				anchors.right: parent.right
+				anchors.rightMargin: 15
+				font.family: srcSansProLight.name
+				font.pointSize: Style.title.pointSize
+				anchors.verticalCenter: parent.verticalCenter
+				font.weight: Font.Light
 			}
 		}
-		Menu {
-			id: contextMenu
-			MenuItem {
-				text: qsTr("Rename")
-				onTriggered: {
-					renameMode = true;
-				}
-			}
-			MenuItem {
-				text: qsTr("Delete")
-				onTriggered: {
-					projectModel.removeDocument(projectList.model.get(projectList.currentIndex).documentId);
-				}
-			}
+
+		Rectangle
+		{
+			Layout.fillWidth: true
+			height: 10
+			color: Style.documentsList.background
 		}
-	}
-	Component {
-		id: renderDelegate
-		Item {
-			id: wrapperItem
-			height: 20
-			width: parent.width
-			RowLayout {
-				anchors.fill: parent
-				visible: !(index === projectList.currentIndex) || !renameMode
-				Text {
-					id: nameText
-					Layout.fillWidth: true
-					Layout.fillHeight: true
-					text: name
-					font.pointSize: 12
-					verticalAlignment: Text.AlignBottom
-				}
-			}
 
-			TextInput {
-				id: textInput
-				text: nameText.text
-				visible: (index === projectList.currentIndex) && renameMode
-				MouseArea {
-					id: textMouseArea
-					anchors.fill: parent
-					hoverEnabled: true
-					z:2
-					onClicked: {
-						textInput.forceActiveFocus();
-					}
-				}
 
-				onVisibleChanged: {
-					if (visible) {
-						selectAll();
-						forceActiveFocus();
-					}
-				}
 
-				onAccepted: close(true);
-				onCursorVisibleChanged: {
-					if (!cursorVisible)
-						close(false);
-				}
-				onFocusChanged: {
-					if (!focus)
-						close(false);
-				}
-				function close(accept) {
-					renameMode = false;
-					if (accept)
-						projectModel.renameDocument(projectList.model.get(projectList.currentIndex).documentId, textInput.text);
-				}
-			}
-			MouseArea {
-				id: mouseArea
-				z: 1
-				hoverEnabled: false
-				anchors.fill: parent
-				acceptedButtons: Qt.LeftButton | Qt.RightButton
-				onClicked:{
-					projectList.currentIndex = index;
-					if (mouse.button === Qt.RightButton && !projectList.model.get(index).isContract)
-						contextMenu.popup();
-				}
-			}
-		}
-	}
-	Connections {
-		target: projectModel
-		onProjectLoaded: {
-			projectList.currentIndex = 0;
-			if (projectList.currentIndex >= 0 && projectList.currentIndex < projectModel.listModel.count)
-				projectModel.openDocument(projectModel.listModel.get(projectList.currentIndex).documentId);
+		Rectangle
+		{
+			Layout.fillWidth: true
+			Layout.fillHeight: true
+			color: Style.documentsList.background
 
-		}
-		onProjectClosed: {
-			projectList.currentIndex = -1;
-		}
-		onDocumentOpened: {
-			if (projectList.currentItem.documentId !== document.documentId)
-				projectList.currentIndex = projectModel.getDocumentIndex(document.documentId);
+			ColumnLayout
+			{
+				anchors.top: parent.top
+				width: parent.width
+				spacing: 0
+
+				Repeater {
+					model: [qsTr("Contracts"), qsTr("Javascript"), qsTr("Web Pages"), qsTr("Styles"), qsTr("Images"), qsTr("Misc")];
+					signal selected(string doc, string groupName)
+					id: sectionRepeater
+					FilesSection
+					{
+						sectionName: modelData
+						model: sectionModel
+						selManager: sectionRepeater
+
+						onDocumentSelected: {
+							selManager.selected(doc, groupName);
+						}
+
+						ListModel
+						{
+							id: sectionModel
+						}
 
+						Connections {
+							target: codeModel
+							onCompilationComplete: {
+								if (modelData === "Contracts")
+								{
+									var ctr = projectModel.listModel.get(0);
+									if (codeModel.code.contract.name !== ctr.name)
+									{
+										ctr.name = codeModel.code.contract.name;
+										projectModel.listModel.set(0, ctr);
+										sectionModel.set(0, ctr);
+									}
+								}
+							}
+						}
+
+						Connections {
+							id: projectModelConnection
+							target: projectModel
+
+							function addDocToSubModel()
+							{
+								for (var k = 0; k < projectModel.listModel.count; k++)
+								{
+									var item = projectModel.listModel.get(k);
+									if (item.groupName === modelData)
+										sectionModel.append(item);
+								}
+							}
+
+							onDocumentOpened: {
+								if (document.groupName === modelData)
+									sectionRepeater.selected(document.documentId, modelData);
+							}
+
+							onNewProject: {
+								sectionModel.clear();
+							}
+
+							onProjectLoaded: {
+								addDocToSubModel();
+								if (modelData === "Contracts")
+								{
+									var selItem = projectModel.listModel.get(0);
+									projectModel.openDocument(selItem.documentId);
+									sectionRepeater.selected(selItem.documentId, modelData);
+								}
+							}
+
+							onDocumentAdded:
+							{
+								var newDoc = projectModel.getDocument(documentId);
+								if (newDoc.groupName === modelData)
+								{
+									sectionModel.append(newDoc);
+									projectModel.openDocument(newDoc.documentId);
+									sectionRepeater.selected(newDoc.documentId, modelData);
+								}
+
+							}
+						}
+					}
+				}
+			}
 		}
 	}
 }
diff --git a/mix/qml/ProjectModel.qml b/mix/qml/ProjectModel.qml
index 49e63e184..42bf91d9d 100644
--- a/mix/qml/ProjectModel.qml
+++ b/mix/qml/ProjectModel.qml
@@ -41,6 +41,7 @@ Item {
 	function addExistingFile() { ProjectModelCode.addExistingFile(); }
 	function newHtmlFile() { ProjectModelCode.newHtmlFile(); }
 	function newJsFile() { ProjectModelCode.newJsFile(); }
+	function newCssFile() { ProjectModelCode.newCssFile(); }
 	//function newContract() { ProjectModelCode.newContract(); }
 	function openDocument(documentId) { ProjectModelCode.openDocument(documentId); }
 	function openNextDocument() { ProjectModelCode.openNextDocument(); }
diff --git a/mix/qml/StateList.qml b/mix/qml/StateList.qml
index 3674e0dbc..059b35bc2 100644
--- a/mix/qml/StateList.qml
+++ b/mix/qml/StateList.qml
@@ -3,60 +3,66 @@ import QtQuick.Controls.Styles 1.1
 import QtQuick.Controls 1.1
 import QtQuick.Dialogs 1.1
 import QtQuick.Layouts 1.1
+import QtQuick.Window 2.0
 
-Rectangle {
-	color: "#ededed"
+Window {
 	id: stateListContainer
-	focus: true
-	anchors.topMargin: 10
-	anchors.left: parent.left
-	height: parent.height
-	width: parent.width
+	modality: Qt.WindowModal
 
-	ListView {
-		id: list
-		anchors.top: parent.top
-		height: parent.height
-		width: parent.width
-		model: projectModel.stateListModel
-		delegate: renderDelegate
-	}
+	width: 640
+	height: 480
 
-	Button {
-		anchors.bottom: parent.bottom
-		action: addStateAction
+	visible: false
+	ColumnLayout
+	{
+		anchors.fill: parent
+		TableView {
+			id: list
+			Layout.fillHeight: true
+			Layout.fillWidth: true
+			model: projectModel.stateListModel
+			itemDelegate: renderDelegate
+			headerDelegate: null
+			TableViewColumn {
+				role: "title"
+				title: qsTr("State")
+				width: list.width
+			}
+		}
+
+		Button {
+			anchors.bottom: parent.bottom
+			action: addStateAction
+		}
 	}
 
 	Component {
 		id: renderDelegate
 		Item {
-			id: wrapperItem
-			height: 20
-			width: parent.width
 			RowLayout {
 				anchors.fill: parent
 				Text {
 					Layout.fillWidth: true
 					Layout.fillHeight: true
-					text: title
+					text: styleData.value
 					font.pointSize: 12
 					verticalAlignment: Text.AlignBottom
 				}
 				ToolButton {
 					text: qsTr("Edit");
 					Layout.fillHeight: true
-					onClicked: list.model.editState(index);
+					onClicked: list.model.editState(styleData.row);
 				}
 				ToolButton {
-					visible: list.model.count - 1 != index
+					visible: list.model.defaultStateIndex !== styleData.row
 					text: qsTr("Delete");
 					Layout.fillHeight: true
-					onClicked: list.model.deleteState(index);
+					onClicked: list.model.deleteState(styleData.row);
 				}
 				ToolButton {
 					text: qsTr("Run");
 					Layout.fillHeight: true
-					onClicked: list.model.runState(index);
+					onClicked: list.model.runState(styleData.row);
 				}
 			}
 		}
diff --git a/mix/qml/StateListModel.qml b/mix/qml/StateListModel.qml
index a1b24fe0f..e87a96f76 100644
--- a/mix/qml/StateListModel.qml
+++ b/mix/qml/StateListModel.qml
@@ -8,7 +8,6 @@ import "js/QEtherHelper.js" as QEtherHelper
 
 Item {
 
-	property int defaultStateIndex: 0
 	property alias model: stateListModel
 	property var stateList: []
 
@@ -111,7 +110,7 @@ Item {
 			for(var i = 0; i < stateListModel.count; i++) {
 				projectData.states.push(toPlainStateItem(stateList[i]));
 			}
-			projectData.defaultStateIndex = defaultStateIndex;
+			projectData.defaultStateIndex = stateListModel.defaultStateIndex;
 		}
 		onNewProject: {
 			var state = toPlainStateItem(stateListModel.createDefaultState());
@@ -127,12 +126,12 @@ Item {
 			var item = stateDialog.getItem();
 			if (stateDialog.stateIndex < stateListModel.count) {
 				if (stateDialog.isDefault)
-					defaultStateIndex = stateIndex;
+					stateListModel.defaultStateIndex = stateIndex;
 				stateList[stateDialog.stateIndex] = item;
 				stateListModel.set(stateDialog.stateIndex, item);
 			} else {
 				if (stateDialog.isDefault)
-					defaultStateIndex = 0;
+					stateListModel.defaultStateIndex = 0;
 				stateList.push(item);
 				stateListModel.append(item);
 			}
@@ -149,8 +148,10 @@ Item {
 	ListModel {
 		id: stateListModel
 
+		property int defaultStateIndex: 0
 		signal defaultStateChanged;
 		signal stateListModelReady;
+		signal stateRun(int index)
 
 		function defaultTransactionItem() {
 			return {
@@ -205,6 +206,7 @@ Item {
 		function runState(index) {
 			var item = stateList[index];
 			clientModel.setupState(item);
+			stateRun(index);
 		}
 
 		function deleteState(index) {
diff --git a/mix/qml/Style.qml b/mix/qml/Style.qml
new file mode 100644
index 000000000..348d8c4d1
--- /dev/null
+++ b/mix/qml/Style.qml
@@ -0,0 +1,30 @@
+pragma Singleton
+import QtQuick 2.0
+
+/*
+ * Project Files
+ */
+QtObject {
+	property QtObject general: QtObject {
+		property int leftMargin: 45
+	}
+
+	property QtObject title: QtObject {
+		property string color: "#808080"
+		property string background: "#f0f0f0"
+		property int height: 55
+		property int pointSize: 18
+	}
+
+	property QtObject documentsList: QtObject {
+		property string background: "#f7f7f7"
+		property string color: "#4d4d4d"
+		property string sectionColor: "#808080"
+		property string selectedColor: "white"
+		property string highlightColor: "#4a90e2"
+		property int height: 25
+		property int fileNameHeight: 30
+		property int fontSize: 13
+		property int sectionFontSize: 13
+	}
+}
diff --git a/mix/qml/TransactionDialog.qml b/mix/qml/TransactionDialog.qml
index 4d50db7b1..3e6cf0236 100644
--- a/mix/qml/TransactionDialog.qml
+++ b/mix/qml/TransactionDialog.qml
@@ -60,15 +60,39 @@ Window {
 		else
 		{
 			var parameters = codeModel.code.contract.constructor.parameters;
-			for (var p = 0; p < parameters.length; p++) {
-				var pname = parameters[p].name;
-				paramsModel.append({ name: pname, type: parameters[p].type, value: itemParams[pname] !== undefined ? itemParams[pname].value() : "" });
-			}
+			for (var p = 0; p < parameters.length; p++)
+				loadParameter(parameters[p]);
 		}
 		visible = true;
 		valueField.focus = true;
 	}
 
+	function loadParameter(parameter)
+	{
+		var type = parameter.type;
+		var pname = parameter.name;
+		var varComponent;
+
+		if (type.indexOf("int") !== -1)
+			varComponent = Qt.createComponent("qrc:/qml/QIntType.qml");
+		else if (type.indexOf("real") !== -1)
+			varComponent = Qt.createComponent("qrc:/qml/QRealType.qml");
+		else if (type.indexOf("string") !== -1 || type.indexOf("text") !== -1)
+			varComponent = Qt.createComponent("qrc:/qml/QStringType.qml");
+		else if (type.indexOf("hash") !== -1 || type.indexOf("address") !== -1)
+			varComponent = Qt.createComponent("qrc:/qml/QHashType.qml");
+		else if (type.indexOf("bool") !== -1)
+			varComponent = Qt.createComponent("qrc:/qml/QBoolType.qml");
+
+		var param = varComponent.createObject(modalTransactionDialog);
+		var value = itemParams[pname] !== undefined ? itemParams[pname] : "";
+
+		param.setValue(value);
+		param.setDeclaration(parameter);
+		qType.push({ name: pname, value: param });
+		paramsModel.append({ name: pname, type: type, value: value });
+	}
+
 	function loadParameters() {
 		paramsModel.clear();
 		if (!paramsModel)
@@ -76,30 +100,8 @@ Window {
 		if (functionComboBox.currentIndex >= 0 && functionComboBox.currentIndex < functionsModel.count) {
 			var func = codeModel.code.contract.functions[functionComboBox.currentIndex];
 			var parameters = func.parameters;
-			for (var p = 0; p < parameters.length; p++) {
-				var pname = parameters[p].name;
-				var varComponent;
-				var type = parameters[p].type;
-
-				if (type.indexOf("int") !== -1)
-					varComponent = Qt.createComponent("qrc:/qml/QIntType.qml");
-				else if (type.indexOf("real") !== -1)
-					varComponent = Qt.createComponent("qrc:/qml/QRealType.qml");
-				else if (type.indexOf("string") !== -1 || type.indexOf("text") !== -1)
-					varComponent = Qt.createComponent("qrc:/qml/QStringType.qml");
-				else if (type.indexOf("hash") !== -1 || type.indexOf("address") !== -1)
-					varComponent = Qt.createComponent("qrc:/qml/QHashType.qml");
-				else if (type.indexOf("bool") !== -1)
-					varComponent = Qt.createComponent("qrc:/qml/QBoolType.qml");
-
-				var param = varComponent.createObject(modalTransactionDialog);
-				var value = itemParams[pname] !== undefined ? itemParams[pname] : "";
-
-				param.setValue(value);
-				param.setDeclaration(parameters[p]);
-				qType.push({ name: pname, value: param });
-				paramsModel.append({ name: pname, type: parameters[p].type, value: value });
-			}
+			for (var p = 0; p < parameters.length; p++)
+				loadParameter(parameters[p]);
 		}
 	}
 
diff --git a/mix/qml/TransactionLog.qml b/mix/qml/TransactionLog.qml
index c8e87f025..b31956898 100644
--- a/mix/qml/TransactionLog.qml
+++ b/mix/qml/TransactionLog.qml
@@ -5,33 +5,93 @@ import QtQuick.Dialogs 1.1
 import QtQuick.Layouts 1.1
 
 Item {
+
+	property bool showLogs: true
+	property ListModel fullModel: ListModel{}
+	property ListModel transactionModel: ListModel{}
+	onShowLogsChanged: {
+		logTable.model = showLogs ? fullModel : transactionModel
+	}
+
+	Action {
+		id: addStateAction
+		text: "Add State"
+		shortcut: "Ctrl+Alt+T"
+		enabled: codeModel.hasContract && !clientModel.running;
+		onTriggered: projectModel.stateListModel.addState();
+	}
+	Action {
+		id: editStateAction
+		text: "Edit State"
+		shortcut: "Ctrl+Alt+T"
+		enabled: codeModel.hasContract && !clientModel.running && statesCombo.currentIndex >= 0 && projectModel.stateListModel.count > 0;
+		onTriggered: projectModel.stateListModel.editState(statesCombo.currentIndex);
+	}
+
 	ColumnLayout {
 		anchors.fill: parent
-		CheckBox {
-			id: recording
-			text: qsTr("Record transactions");
-			checked: true
-			Layout.fillWidth: true
+		RowLayout {
+
+			ComboBox {
+				id: statesCombo
+				model: projectModel.stateListModel
+				width: 150
+				editable: false
+				textRole: "title"
+				onActivated:  {
+					model.runState(index);
+				}
+				Connections {
+					target: projectModel.stateListModel
+					onStateRun: {
+						if (statesCombo.currentIndex !== index)
+							statesCombo.currentIndex = index;
+					}
+				}
+			}
+			Button
+			{
+				anchors.rightMargin: 9
+				anchors.verticalCenter: parent.verticalCenter
+				action: editStateAction
+			}
+			Button
+			{
+				anchors.rightMargin: 9
+				anchors.verticalCenter: parent.verticalCenter
+				action: addStateAction
+			}
+			Button
+			{
+				anchors.rightMargin: 9
+				anchors.verticalCenter: parent.verticalCenter
+				action: mineAction
+			}
+
+			CheckBox {
+				id: recording
+				text: qsTr("Record transactions");
+				checked: true
+				Layout.fillWidth: true
+
+
+			}
 		}
 		TableView {
+			id: logTable
 			Layout.fillWidth: true
 			Layout.fillHeight: true
-			model: logModel
+			model: fullModel
 
 			TableViewColumn {
-				role: "block"
-				title: qsTr("Block")
-				width: 40
-			}
-			TableViewColumn {
-				role: "tindex"
+				role: "transactionIndex"
 				title: qsTr("Index")
 				width: 40
 			}
 			TableViewColumn {
 				role: "contract"
 				title: qsTr("Contract")
-				width: 120
+				width: 100
 			}
 			TableViewColumn {
 				role: "function"
@@ -41,7 +101,7 @@ Item {
 			TableViewColumn {
 				role: "value"
 				title: qsTr("Value")
-				width: 120
+				width: 60
 			}
 			TableViewColumn {
 				role: "address"
@@ -54,30 +114,31 @@ Item {
 				width: 120
 			}
 			onActivated:  {
-				var item = logModel.get(row);
-				clientModel.debugTransaction(item.block, item.tindex);
+				var item = logTable.model.get(row);
+				clientModel.debugRecord(item.recordIndex);
 			}
 			Keys.onPressed: {
-				if ((event.modifiers & Qt.ControlModifier) && event.key === Qt.Key_C && currentRow >=0 && currentRow < logModel.count) {
-					var item = logModel.get(currentRow);
+				if ((event.modifiers & Qt.ControlModifier) && event.key === Qt.Key_C && currentRow >=0 && currentRow < logTable.model.count) {
+					var item = logTable.model.get(currentRow);
 					appContext.toClipboard(item.returned);
 				}
 			}
 		}
 	}
 
-	ListModel {
-		id: logModel
-	}
-
 	Connections {
 		target: clientModel
 		onStateCleared: {
-			logModel.clear();
+			fullModel.clear();
+			transactionModel.clear();
 		}
-		onNewTransaction: {
+		onNewRecord: {
 			if (recording.checked)
-				logModel.append(_tr);
+			{
+				fullModel.append(_r);
+				if (!_r.call)
+					transactionModel.append(_r);
+			}
 		}
 	}
 
diff --git a/mix/qml/WebPreview.qml b/mix/qml/WebPreview.qml
index e95a85fde..f4ddca84e 100644
--- a/mix/qml/WebPreview.qml
+++ b/mix/qml/WebPreview.qml
@@ -114,7 +114,8 @@ Item {
 		onClientConnected: {
 			//filter polling spam
 			//TODO: do it properly
-			var log = _request.content.indexOf("eth_changed") < 0;
+			//var log = _request.content.indexOf("eth_changed") < 0;
+			var log = true;
 			if (log)
 				console.log(_request.content);
 			var response = clientModel.apiCall(_request.content);
diff --git a/mix/qml/fonts/SourceSansPro-Black.ttf b/mix/qml/fonts/SourceSansPro-Black.ttf
new file mode 100644
index 000000000..be1a3108e
Binary files /dev/null and b/mix/qml/fonts/SourceSansPro-Black.ttf differ
diff --git a/mix/qml/fonts/SourceSansPro-BlackIt.ttf b/mix/qml/fonts/SourceSansPro-BlackIt.ttf
new file mode 100644
index 000000000..ac5c4ef7c
Binary files /dev/null and b/mix/qml/fonts/SourceSansPro-BlackIt.ttf differ
diff --git a/mix/qml/fonts/SourceSansPro-Bold.ttf b/mix/qml/fonts/SourceSansPro-Bold.ttf
new file mode 100644
index 000000000..f47161c6b
Binary files /dev/null and b/mix/qml/fonts/SourceSansPro-Bold.ttf differ
diff --git a/mix/qml/fonts/SourceSansPro-BoldIt.ttf b/mix/qml/fonts/SourceSansPro-BoldIt.ttf
new file mode 100644
index 000000000..6b3db698b
Binary files /dev/null and b/mix/qml/fonts/SourceSansPro-BoldIt.ttf differ
diff --git a/mix/qml/fonts/SourceSansPro-ExtraLight.ttf b/mix/qml/fonts/SourceSansPro-ExtraLight.ttf
new file mode 100644
index 000000000..0a3e51fdb
Binary files /dev/null and b/mix/qml/fonts/SourceSansPro-ExtraLight.ttf differ
diff --git a/mix/qml/fonts/SourceSansPro-ExtraLightIt.ttf b/mix/qml/fonts/SourceSansPro-ExtraLightIt.ttf
new file mode 100644
index 000000000..a0eb86aca
Binary files /dev/null and b/mix/qml/fonts/SourceSansPro-ExtraLightIt.ttf differ
diff --git a/mix/qml/fonts/SourceSansPro-It.ttf b/mix/qml/fonts/SourceSansPro-It.ttf
new file mode 100644
index 000000000..fcc95fc7c
Binary files /dev/null and b/mix/qml/fonts/SourceSansPro-It.ttf differ
diff --git a/mix/qml/fonts/SourceSansPro-Light.ttf b/mix/qml/fonts/SourceSansPro-Light.ttf
new file mode 100644
index 000000000..9cae13c97
Binary files /dev/null and b/mix/qml/fonts/SourceSansPro-Light.ttf differ
diff --git a/mix/qml/fonts/SourceSansPro-LightIt.ttf b/mix/qml/fonts/SourceSansPro-LightIt.ttf
new file mode 100644
index 000000000..2ed784284
Binary files /dev/null and b/mix/qml/fonts/SourceSansPro-LightIt.ttf differ
diff --git a/mix/qml/fonts/SourceSansPro-Regular.ttf b/mix/qml/fonts/SourceSansPro-Regular.ttf
new file mode 100644
index 000000000..8e8255e17
Binary files /dev/null and b/mix/qml/fonts/SourceSansPro-Regular.ttf differ
diff --git a/mix/qml/fonts/SourceSansPro-Semibold.ttf b/mix/qml/fonts/SourceSansPro-Semibold.ttf
new file mode 100644
index 000000000..121ee9bbf
Binary files /dev/null and b/mix/qml/fonts/SourceSansPro-Semibold.ttf differ
diff --git a/mix/qml/fonts/SourceSansPro-SemiboldIt.ttf b/mix/qml/fonts/SourceSansPro-SemiboldIt.ttf
new file mode 100644
index 000000000..6ceaa885f
Binary files /dev/null and b/mix/qml/fonts/SourceSansPro-SemiboldIt.ttf differ
diff --git a/mix/qml/fonts/SourceSerifPro-Bold.ttf b/mix/qml/fonts/SourceSerifPro-Bold.ttf
new file mode 100644
index 000000000..ac7837fd9
Binary files /dev/null and b/mix/qml/fonts/SourceSerifPro-Bold.ttf differ
diff --git a/mix/qml/fonts/SourceSerifPro-Regular.ttf b/mix/qml/fonts/SourceSerifPro-Regular.ttf
new file mode 100644
index 000000000..7201a8890
Binary files /dev/null and b/mix/qml/fonts/SourceSerifPro-Regular.ttf differ
diff --git a/mix/qml/fonts/SourceSerifPro-Semibold.ttf b/mix/qml/fonts/SourceSerifPro-Semibold.ttf
new file mode 100644
index 000000000..db2fc804b
Binary files /dev/null and b/mix/qml/fonts/SourceSerifPro-Semibold.ttf differ
diff --git a/mix/qml/img/closedtriangleindicator_filesproject.png b/mix/qml/img/closedtriangleindicator_filesproject.png
new file mode 100644
index 000000000..840f500e4
Binary files /dev/null and b/mix/qml/img/closedtriangleindicator_filesproject.png differ
diff --git a/mix/qml/img/opentriangleindicator_filesproject.png b/mix/qml/img/opentriangleindicator_filesproject.png
new file mode 100644
index 000000000..ee351b05c
Binary files /dev/null and b/mix/qml/img/opentriangleindicator_filesproject.png differ
diff --git a/mix/qml/img/projecticon.png b/mix/qml/img/projecticon.png
new file mode 100644
index 000000000..58b8b6f60
Binary files /dev/null and b/mix/qml/img/projecticon.png differ
diff --git a/mix/qml/js/Debugger.js b/mix/qml/js/Debugger.js
index de1f87256..872d0aa36 100644
--- a/mix/qml/js/Debugger.js
+++ b/mix/qml/js/Debugger.js
@@ -107,7 +107,7 @@ function select(stateIndex)
 		callStackData.push(address);
 	}
 	callStackData.push(debugData.states[0].address);
-	callStack.model = callStackData;
+	callStack.listModel = callStackData;
 }
 
 function codeStr(stateIndex)
@@ -118,8 +118,9 @@ function codeStr(stateIndex)
 
 function highlightSelection(index)
 {
-	statesList.currentIndex = index;
-	statesList.positionViewAtIndex(index, ListView.Center);
+	statesList.positionViewAtRow(index, ListView.Center);
+	statesList.selection.clear();
+	statesList.selection.select(index);
 }
 
 function completeCtxInformation(state)
diff --git a/mix/qml/js/ProjectModel.js b/mix/qml/js/ProjectModel.js
index 4d501ffca..ac44dffa9 100644
--- a/mix/qml/js/ProjectModel.js
+++ b/mix/qml/js/ProjectModel.js
@@ -88,7 +88,9 @@ function addFile(fileName) {
 	var isHtml = extension === ".html";
 	var isCss = extension === ".css";
 	var isJs = extension === ".js";
+	var isImg = extension === ".png"  || extension === ".gif" || extension === ".jpg" || extension === ".svg";
 	var syntaxMode = isContract ? "solidity" : isJs ? "javascript" : isHtml ? "htmlmixed" : isCss ? "css" : "";
+	var groupName = isContract ? qsTr("Contracts") : isJs ? qsTr("Javascript") : isHtml ? qsTr("Web Pages") : isCss ? qsTr("Styles") : isImg ? qsTr("Images") : qsTr("Misc");
 	var docData = {
 		contract: false,
 		path: p,
@@ -99,6 +101,7 @@ function addFile(fileName) {
 		isText: isContract || isHtml || isCss || isJs,
 		isContract: isContract,
 		isHtml: isHtml,
+		groupName: groupName
 	};
 
 	projectListModel.append(docData);
@@ -153,6 +156,7 @@ function doCloseProject() {
 	console.log("closing project");
 	projectListModel.clear();
 	projectPath = "";
+	currentDocumentId = "";
 	projectClosed();
 }
 
@@ -172,8 +176,8 @@ function doCreateProject(title, path) {
 		files: [ contractsFile, indexFile ]
 	};
 	//TODO: copy from template
-    fileIo.writeFile(dirPath + indexFile, "<html>\n<head>\n<script>\nvar web3 = parent.web3;\nvar theContract = parent.contract;\n</script>\n</head>\n<body>\n<script>\n</script>\n</body>\n</html>");
-    fileIo.writeFile(dirPath + contractsFile, "contract Contract {\n}\n");
+	fileIo.writeFile(dirPath + indexFile, "<html>\n<head>\n<script>\nvar web3 = parent.web3;\nvar theContract = parent.contract;\n</script>\n</head>\n<body>\n<script>\n</script>\n</body>\n</html>");
+	fileIo.writeFile(dirPath + contractsFile, "contract Contract {\n}\n");
 	newProject(projectData);
 	var json = JSON.stringify(projectData, null, "\t");
 	fileIo.writeFile(projectFile, json);
@@ -224,6 +228,10 @@ function newHtmlFile() {
 	createAndAddFile("page", "html", "<html>\n</html>");
 }
 
+function newCssFile() {
+	createAndAddFile("style", "css", "body {\n}\n");
+}
+
 function newJsFile() {
 	createAndAddFile("script", "js", "function foo() {\n}\n");
 }
diff --git a/mix/qml/main.qml b/mix/qml/main.qml
index 49d00311f..ea5d6dd04 100644
--- a/mix/qml/main.qml
+++ b/mix/qml/main.qml
@@ -15,7 +15,7 @@ ApplicationWindow {
 	height: 800
 	minimumWidth: 400
 	minimumHeight: 300
-	title: qsTr("mix")
+	title: qsTr("Mix")
 
 	menuBar: MenuBar {
 		Menu {
@@ -28,6 +28,7 @@ ApplicationWindow {
 			MenuItem { action: addExistingFileAction }
 			MenuItem { action: addNewJsFileAction }
 			MenuItem { action: addNewHtmlFileAction }
+			MenuItem { action: addNewCssFileAction }
 			MenuSeparator {}
 			//MenuItem { action: addNewContractAction }
 			MenuItem { action: closeProjectAction }
@@ -39,6 +40,8 @@ ApplicationWindow {
 			MenuItem { action: debugRunAction }
 			MenuItem { action: mineAction }
 			MenuSeparator {}
+			MenuItem { action: editStatesAction }
+			MenuSeparator {}
 			MenuItem { action: toggleRunOnLoadAction }
 		}
 		Menu {
@@ -48,8 +51,10 @@ ApplicationWindow {
 			MenuSeparator {}
 			MenuItem { action: toggleProjectNavigatorAction }
 			MenuItem { action: showHideRightPanelAction }
+			MenuItem { action: toggleTransactionLogAction }
 			MenuItem { action: toggleWebPreviewAction }
 			MenuItem { action: toggleWebPreviewOrientationAction }
+			MenuItem { action: toggleCallsInLog }
 		}
 	}
 
@@ -88,7 +93,18 @@ ApplicationWindow {
 		text: qsTr("Mine")
 		shortcut: "Ctrl+M"
 		onTriggered: clientModel.mine();
-		enabled: codeModel.hasContract && !clientModel.running
+		enabled: codeModel.hasContract && !clientModel.running &&!clientModel.mining
+	}
+
+	StateList {
+		id: stateList
+	}
+
+	Action {
+		id: editStatesAction
+		text: qsTr("Edit States")
+		shortcut: "Ctrl+Alt+E"
+		onTriggered: stateList.show();
 	}
 
 	Connections {
@@ -120,6 +136,15 @@ ApplicationWindow {
 		onTriggered: mainContent.toggleWebPreview();
 	}
 
+	Action {
+		id: toggleTransactionLogAction
+		text: qsTr("Show States and Transactions")
+		shortcut: "Alt+1"
+		checkable: true
+		checked: mainContent.rightPane.transactionLog.visible
+		onTriggered: mainContent.rightPane.transactionLog.visible = !mainContent.rightPane.transactionLog.visible
+	}
+
 	Action {
 		id: toggleProjectNavigatorAction
 		text: qsTr("Show Project Navigator")
@@ -138,6 +163,15 @@ ApplicationWindow {
 		onTriggered: mainContent.toggleWebPreviewOrientation();
 	}
 
+	Action {
+		id: toggleCallsInLog
+		text: qsTr("Show Calls in Transaction Log")
+		shortcut: ""
+		checkable: true
+		checked: mainContent.rightPane.transactionLog.showLogs
+		onTriggered: mainContent.rightPane.transactionLog.showLogs = !mainContent.rightPane.transactionLog.showLogs
+	}
+
 	Action {
 		id: toggleRunOnLoadAction
 		text: qsTr("Load State on Startup")
@@ -188,6 +222,14 @@ ApplicationWindow {
 		onTriggered: projectModel.newHtmlFile();
 	}
 
+	Action {
+		id: addNewCssFileAction
+		text: qsTr("New CSS File")
+		shortcut: "Ctrl+Alt+S"
+		enabled: !projectModel.isEmpty
+		onTriggered: projectModel.newCssFile();
+	}
+
 	Action {
 		id: addNewContractAction
 		text: qsTr("New Contract")
diff --git a/mix/qml/qmldir b/mix/qml/qmldir
new file mode 100644
index 000000000..819842274
--- /dev/null
+++ b/mix/qml/qmldir
@@ -0,0 +1 @@
+singleton Style 1.0 Style.qml
diff --git a/mix/res.qrc b/mix/res.qrc
index d73635f9d..a33323870 100644
--- a/mix/res.qrc
+++ b/mix/res.qrc
@@ -61,7 +61,27 @@
         <file>stdc/std.sol</file>
         <file>qml/TransactionLog.qml</file>
         <file>res/mix_256x256x32.png</file>
-        <file>qml/CallStack.qml</file>
         <file>qml/QVariableDeclaration.qml</file>
+        <file>qml/Style.qml</file>
+        <file>qml/qmldir</file>
+        <file>qml/FilesSection.qml</file>
+        <file>qml/fonts/SourceSansPro-Black.ttf</file>
+        <file>qml/fonts/SourceSansPro-BlackIt.ttf</file>
+        <file>qml/fonts/SourceSansPro-Bold.ttf</file>
+        <file>qml/fonts/SourceSansPro-BoldIt.ttf</file>
+        <file>qml/fonts/SourceSansPro-ExtraLight.ttf</file>
+        <file>qml/fonts/SourceSansPro-ExtraLightIt.ttf</file>
+        <file>qml/fonts/SourceSansPro-It.ttf</file>
+        <file>qml/fonts/SourceSansPro-Light.ttf</file>
+        <file>qml/fonts/SourceSansPro-LightIt.ttf</file>
+        <file>qml/fonts/SourceSansPro-Regular.ttf</file>
+        <file>qml/fonts/SourceSansPro-Semibold.ttf</file>
+        <file>qml/fonts/SourceSansPro-SemiboldIt.ttf</file>
+        <file>qml/fonts/SourceSerifPro-Bold.ttf</file>
+        <file>qml/fonts/SourceSerifPro-Regular.ttf</file>
+        <file>qml/fonts/SourceSerifPro-Semibold.ttf</file>
+        <file>qml/img/closedtriangleindicator_filesproject.png</file>
+        <file>qml/img/opentriangleindicator_filesproject.png</file>
+        <file>qml/img/projecticon.png</file>
     </qresource>
 </RCC>
diff --git a/pysol/MANIFEST.in b/pysol/MANIFEST.in
new file mode 100644
index 000000000..a3edb5ce1
--- /dev/null
+++ b/pysol/MANIFEST.in
@@ -0,0 +1,13 @@
+include pysol/*.cpp
+include *.py
+include libdevcore/*cpp
+include libdevcore/*h
+include libdevcrypto/*cpp
+include libdevcrypto/*h
+include libethcore/*cpp
+include libethcore/*h
+include libsolidity/*cpp
+include libsolidity/*h
+include libevmcore/*cpp
+include libevmcore/*h
+include pysol/README.md
diff --git a/pysol/README.md b/pysol/README.md
new file mode 100644
index 000000000..e69de29bb
diff --git a/pysol/pysolidity.cpp b/pysol/pysolidity.cpp
new file mode 100644
index 000000000..a2214c67e
--- /dev/null
+++ b/pysol/pysolidity.cpp
@@ -0,0 +1,115 @@
+#include <Python.h>
+#include "structmember.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <iostream>
+#include <vector>
+
+#include "../libdevcore/CommonData.h"
+
+
+#include <libsolidity/Compiler.h>
+#include <libsolidity/CompilerStack.h>
+#include <libsolidity/CompilerUtils.h>
+#include <libsolidity/SourceReferenceFormatter.h>
+
+
+std::string compile(std::string src) {
+    dev::solidity::CompilerStack compiler;
+    try
+    {
+        std::vector<uint8_t> m_data = compiler.compile(src, false);
+        return std::string(m_data.begin(), m_data.end());
+    }
+    catch (dev::Exception const& exception)
+    {
+        std::ostringstream error;
+        dev::solidity::SourceReferenceFormatter::printExceptionInformation(error, exception, "Error", compiler);
+        std::string e = error.str();
+        throw(e);
+    }
+}
+
+
+std::string mk_full_signature(std::string src) {
+    dev::solidity::CompilerStack compiler;
+    try
+    {
+        compiler.compile(src);
+        return compiler.getInterface("");
+    }
+    catch (dev::Exception const& exception)
+    {
+        std::ostringstream error;
+        dev::solidity::SourceReferenceFormatter::printExceptionInformation(error, exception, "Error", compiler);
+        std::string e = error.str();
+        throw(e);
+    }
+}
+
+std::string bob(std::string src) { return src + src; }
+
+#define PYMETHOD(name, FROM, method, TO) \
+    static PyObject * name(PyObject *, PyObject *args) { \
+        try { \
+        FROM(med) \
+        return TO(method(med)); \
+        } \
+        catch (std::string e) { \
+           PyErr_SetString(PyExc_Exception, e.c_str()); \
+           return NULL; \
+        } \
+    }
+
+#define FROMSTR(v) \
+    const char *command; \
+    int len; \
+    if (!PyArg_ParseTuple(args, "s#", &command, &len)) \
+        return NULL; \
+    std::string v = std::string(command, len); \
+
+// Convert string into python wrapper form
+PyObject* pyifyString(std::string s) {
+    return Py_BuildValue("s#", s.c_str(), s.length());
+}
+
+// Convert integer into python wrapper form
+PyObject* pyifyInteger(unsigned int i) {
+    return Py_BuildValue("i", i);
+}
+
+// Convert pyobject int into normal form
+int cppifyInt(PyObject* o) {
+    int out;
+    if (!PyArg_Parse(o, "i", &out))
+        throw("Argument should be integer");
+    return out;
+}
+
+// Convert pyobject string into normal form
+std::string cppifyString(PyObject* o) {
+    const char *command;
+    if (!PyArg_Parse(o, "s", &command))
+        throw("Argument should be string");
+    return std::string(command);
+}
+
+int fh(std::string i) {
+    return dev::fromHex(i[0]);
+}
+
+PYMETHOD(ps_compile, FROMSTR, compile, pyifyString)
+PYMETHOD(ps_mk_full_signature, FROMSTR, mk_full_signature, pyifyString)
+
+static PyMethodDef PyextMethods[] = {
+    {"compile",  ps_compile, METH_VARARGS,
+        "Compile code."},
+    {"mk_full_signature",  ps_mk_full_signature, METH_VARARGS,
+        "Get the signature of a piece of code."},
+    {NULL, NULL, 0, NULL}        /* Sentinel */
+};
+
+PyMODINIT_FUNC initsolidity(void)
+{
+     Py_InitModule( "solidity", PyextMethods );
+}   
diff --git a/pysol/setup.py b/pysol/setup.py
new file mode 100755
index 000000000..9aa13c248
--- /dev/null
+++ b/pysol/setup.py
@@ -0,0 +1,41 @@
+import os
+os.chdir('..')
+
+from setuptools import setup, Extension
+
+from distutils.sysconfig import get_config_vars
+
+(opt,) = get_config_vars('OPT')
+os.environ['OPT'] = " ".join(
+    flag for flag in opt.split() if flag != '-Wstrict-prototypes'
+)
+
+setup(
+    # Name of this package
+    name="ethereum-solidity",
+
+    # Package version
+    version='1.8.0',
+
+    description='Solidity compiler python wrapper',
+    maintainer='Vitalik Buterin',
+    maintainer_email='v@buterin.com',
+    license='WTFPL',
+    url='http://www.ethereum.org/',
+
+    # Describes how to build the actual extension module from C source files.
+    ext_modules=[
+        Extension(
+            'solidity',         # Python name of the module
+            sources= ['libdevcore/Common.cpp', 'libdevcore/CommonData.cpp', 'libdevcore/CommonIO.cpp', 'libdevcore/FixedHash.cpp', 'libdevcore/Guards.cpp', 'libdevcore/Log.cpp', 'libdevcore/RangeMask.cpp', 'libdevcore/RLP.cpp', 'libdevcore/Worker.cpp', 'libdevcrypto/AES.cpp', 'libdevcrypto/Common.cpp', 'libdevcrypto/CryptoPP.cpp', 'libdevcrypto/ECDHE.cpp', 'libdevcrypto/FileSystem.cpp', 'libdevcrypto/MemoryDB.cpp', 'libdevcrypto/OverlayDB.cpp', 'libdevcrypto/SHA3.cpp', 'libdevcrypto/TrieCommon.cpp', 'libdevcrypto/TrieDB.cpp', 'libethcore/CommonEth.cpp', 'libethcore/CommonJS.cpp', 'libethcore/Exceptions.cpp', 'libsolidity/AST.cpp', 'libsolidity/ASTJsonConverter.cpp', 'libsolidity/ASTPrinter.cpp', 'libsolidity/CompilerContext.cpp', 'libsolidity/Compiler.cpp', 'libsolidity/CompilerStack.cpp', 'libsolidity/CompilerUtils.cpp', 'libsolidity/DeclarationContainer.cpp', 'libsolidity/ExpressionCompiler.cpp', 'libsolidity/GlobalContext.cpp', 'libsolidity/InterfaceHandler.cpp', 'libsolidity/NameAndTypeResolver.cpp', 'libsolidity/Parser.cpp', 'libsolidity/Scanner.cpp', 'libsolidity/SourceReferenceFormatter.cpp', 'libsolidity/Token.cpp', 'libsolidity/Types.cpp', 'libevmcore/Assembly.cpp', 'libevmcore/Instruction.cpp', 'pysol/pysolidity.cpp'],
+            libraries=['boost_python', 'boost_filesystem', 'boost_chrono', 'boost_thread', 'cryptopp', 'leveldb', 'jsoncpp'],
+            include_dirs=['/usr/include/boost', '..', '../..', '.'],
+            extra_compile_args=['--std=c++11', '-Wno-unknown-pragmas']
+        )],
+    py_modules=[
+    ],
+    scripts=[
+    ],
+    entry_points={
+    }
+    ),
diff --git a/sc/CMakeLists.txt b/sc/CMakeLists.txt
index 2adde060e..ee638bb52 100644
--- a/sc/CMakeLists.txt
+++ b/sc/CMakeLists.txt
@@ -8,7 +8,9 @@ set(EXECUTABLE sc)
 
 add_executable(${EXECUTABLE} ${SRC_LIST})
 
+if (NOT ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC"))
 target_link_libraries(${EXECUTABLE} serpent)
+endif()
 target_link_libraries(${EXECUTABLE} lll)
 target_link_libraries(${EXECUTABLE} evmcore)
 target_link_libraries(${EXECUTABLE} devcore)
diff --git a/solc/CommandLineInterface.cpp b/solc/CommandLineInterface.cpp
index aa651eb41..db12231a7 100644
--- a/solc/CommandLineInterface.cpp
+++ b/solc/CommandLineInterface.cpp
@@ -161,22 +161,22 @@ void CommandLineInterface::handleMeta(DocumentationType _type, string const& _co
 	std::string title;
 	switch(_type)
 	{
-	case DocumentationType::ABI_INTERFACE:
+	case DocumentationType::ABIInterface:
 		argName = g_argAbiStr;
 		suffix = ".abi";
 		title = "Contract JSON ABI";
 		break;
-	case DocumentationType::ABI_SOLIDITY_INTERFACE:
+	case DocumentationType::ABISolidityInterface:
 		argName = g_argSolAbiStr;
 		suffix = ".sol";
 		title = "Contract Solidity ABI";
 		break;
-	case DocumentationType::NATSPEC_USER:
+	case DocumentationType::NatspecUser:
 		argName = g_argNatspecUserStr;
 		suffix = ".docuser";
 		title = "User Documentation";
 		break;
-	case DocumentationType::NATSPEC_DEV:
+	case DocumentationType::NatspecDev:
 		argName = g_argNatspecDevStr;
 		suffix = ".docdev";
 		title = "Developer Documentation";
@@ -436,10 +436,10 @@ void CommandLineInterface::actOnInput()
 		}
 
 		handleBytecode(contract);
-		handleMeta(DocumentationType::ABI_INTERFACE, contract);
-		handleMeta(DocumentationType::ABI_SOLIDITY_INTERFACE, contract);
-		handleMeta(DocumentationType::NATSPEC_DEV, contract);
-		handleMeta(DocumentationType::NATSPEC_USER, contract);
+		handleMeta(DocumentationType::ABIInterface, contract);
+		handleMeta(DocumentationType::ABISolidityInterface, contract);
+		handleMeta(DocumentationType::NatspecDev, contract);
+		handleMeta(DocumentationType::NatspecUser, contract);
 	} // end of contracts iteration
 }
 
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 764bf928e..ab8afcd70 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -21,8 +21,10 @@ target_link_libraries(testeth ethereum)
 target_link_libraries(testeth ethcore)
 target_link_libraries(testeth secp256k1)
 target_link_libraries(testeth solidity)
-target_link_libraries(testeth webthree)
-
+if (NOT HEADLESS)
+	target_link_libraries(testeth webthree)
+	target_link_libraries(testeth natspec)
+endif()
 if (JSONRPC)
 	target_link_libraries(testeth web3jsonrpc)
 	target_link_libraries(testeth ${JSON_RPC_CPP_CLIENT_LIBRARIES})
diff --git a/test/SolidityABIJSON.cpp b/test/SolidityABIJSON.cpp
index 13e65761f..242a88e77 100644
--- a/test/SolidityABIJSON.cpp
+++ b/test/SolidityABIJSON.cpp
@@ -48,7 +48,7 @@ public:
 			auto msg = std::string("Parsing contract failed with: ") + boost::diagnostic_information(_e);
 			BOOST_FAIL(msg);
 		}
-		std::string generatedInterfaceString = m_compilerStack.getMetadata("", DocumentationType::ABI_INTERFACE);
+		std::string generatedInterfaceString = m_compilerStack.getMetadata("", DocumentationType::ABIInterface);
 		Json::Value generatedInterface;
 		m_reader.parse(generatedInterfaceString, generatedInterface);
 		Json::Value expectedInterface;
@@ -409,7 +409,78 @@ BOOST_AUTO_TEST_CASE(inherited)
 
 	checkInterface(sourceCode, interface);
 }
+BOOST_AUTO_TEST_CASE(empty_name_input_parameter_with_named_one)
+{
+	char const* sourceCode = R"(
+	contract test {
+		function f(uint, uint k) returns(uint ret_k, uint ret_g){
+			uint g = 8;
+			ret_k = k;
+			ret_g = g;
+		}
+	})";
+
+	char const* interface = R"([
+	{
+		"name": "f",
+		"constant": false,
+		"type": "function",
+		"inputs": [
+		{
+			"name": "",
+			"type": "uint256"
+		},
+		{
+			"name": "k",
+			"type": "uint256"
+		}
+		],
+		"outputs": [
+		{
+			"name": "ret_k",
+			"type": "uint256"
+		},
+		{
+			"name": "ret_g",
+			"type": "uint256"
+		}
+		]
+	}
+	])";
 
+	checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(empty_name_return_parameter)
+{
+	char const* sourceCode = R"(
+		contract test {
+		function f(uint k) returns(uint){
+			return k;
+		}
+	})";
+
+	char const* interface = R"([
+	{
+		"name": "f",
+		"constant": false,
+		"type": "function",
+		"inputs": [
+		{
+			"name": "k",
+			"type": "uint256"
+		}
+		],
+		"outputs": [
+		{
+			"name": "",
+			"type": "uint256"
+		}
+		]
+	}
+	])";
+	checkInterface(sourceCode, interface);
+}
 
 BOOST_AUTO_TEST_SUITE_END()
 
diff --git a/test/SolidityEndToEndTest.cpp b/test/SolidityEndToEndTest.cpp
index f248a5a07..31b80894e 100644
--- a/test/SolidityEndToEndTest.cpp
+++ b/test/SolidityEndToEndTest.cpp
@@ -576,7 +576,7 @@ BOOST_AUTO_TEST_CASE(simple_mapping)
 							 "  }\n"
 							 "}";
 	compileAndRun(sourceCode);
-	
+
 	BOOST_CHECK(callContractFunction("get(uint8)", byte(0)) == encodeArgs(byte(0x00)));
 	BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0x00)));
 	BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00)));
@@ -933,7 +933,7 @@ BOOST_AUTO_TEST_CASE(multiple_elementary_accessors)
 	compileAndRun(sourceCode);
 	BOOST_CHECK(callContractFunction("data()") == encodeArgs(8));
 	BOOST_CHECK(callContractFunction("name()") == encodeArgs("Celina"));
-	BOOST_CHECK(callContractFunction("a_hash()") == encodeArgs(dev::sha3(toBigEndian(u256(123)))));
+	BOOST_CHECK(callContractFunction("a_hash()") == encodeArgs(dev::sha3(bytes({0x7b}))));
 	BOOST_CHECK(callContractFunction("an_address()") == encodeArgs(toBigEndian(u160(0x1337))));
 	BOOST_CHECK(callContractFunction("super_secret_data()") == bytes());
 }
@@ -959,6 +959,24 @@ BOOST_AUTO_TEST_CASE(complex_accessors)
 	BOOST_CHECK(callContractFunction("to_multiple_map(uint256,uint256)", 42, 23) == encodeArgs(31));
 }
 
+BOOST_AUTO_TEST_CASE(struct_accessor)
+{
+	char const* sourceCode = R"(
+		contract test {
+			struct Data { uint a; uint8 b; mapping(uint => uint) c; bool d; }
+			mapping(uint => Data) public data;
+			function test() {
+				data[7].a = 1;
+				data[7].b = 2;
+				data[7].c[0] = 3;
+				data[7].d = true;
+			}
+		}
+	)";
+	compileAndRun(sourceCode);
+	BOOST_CHECK(callContractFunction("data(uint256)", 7) == encodeArgs(1, 2, true));
+}
+
 BOOST_AUTO_TEST_CASE(balance)
 {
 	char const* sourceCode = "contract test {\n"
@@ -2095,6 +2113,117 @@ BOOST_AUTO_TEST_CASE(event_lots_of_data)
 	BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::sha3(string("Deposit(address,hash256,uint256,bool)")));
 }
 
+BOOST_AUTO_TEST_CASE(empty_name_input_parameter_with_named_one)
+{
+	char const* sourceCode = R"(
+		contract test {
+			function f(uint, uint k) returns(uint ret_k, uint ret_g){
+				uint g = 8;
+				ret_k = k;
+				ret_g = g;
+			}
+		})";
+	compileAndRun(sourceCode);
+	BOOST_CHECK(callContractFunction("f(uint256,uint256)", 5, 9) != encodeArgs(5, 8));
+	BOOST_CHECK(callContractFunction("f(uint256,uint256)", 5, 9) == encodeArgs(9, 8));
+}
+
+BOOST_AUTO_TEST_CASE(empty_name_return_parameter)
+{
+	char const* sourceCode = R"(
+		contract test {
+			function f(uint k) returns(uint){
+				return k;
+		}
+		})";
+	compileAndRun(sourceCode);
+	BOOST_CHECK(callContractFunction("f(uint256)", 9) == encodeArgs(9));
+}
+
+BOOST_AUTO_TEST_CASE(sha3_multiple_arguments)
+{
+	char const* sourceCode = R"(
+		contract c {
+			function foo(uint a, uint b, uint c) returns (hash d)
+			{
+				d = sha3(a, b, c);
+			}
+		})";
+	compileAndRun(sourceCode);
+
+	BOOST_CHECK(callContractFunction("foo(uint256,uint256,uint256)", 10, 12, 13) == encodeArgs(
+					dev::sha3(
+						toBigEndian(u256(10)) +
+						toBigEndian(u256(12)) +
+						toBigEndian(u256(13)))));
+}
+
+BOOST_AUTO_TEST_CASE(sha3_multiple_arguments_with_numeric_literals)
+{
+	char const* sourceCode = R"(
+		contract c {
+			function foo(uint a, uint16 b) returns (hash d)
+			{
+				d = sha3(a, b, 145);
+			}
+		})";
+	compileAndRun(sourceCode);
+
+	BOOST_CHECK(callContractFunction("foo(uint256,uint16)", 10, 12) == encodeArgs(
+					dev::sha3(
+						toBigEndian(u256(10)) +
+						bytes({0x0, 0xc}) +
+						bytes({0x91}))));
+}
+
+BOOST_AUTO_TEST_CASE(sha3_multiple_arguments_with_string_literals)
+{
+	char const* sourceCode = R"(
+		contract c {
+			function foo() returns (hash d)
+			{
+				d = sha3("foo");
+			}
+			function bar(uint a, uint16 b) returns (hash d)
+			{
+				d = sha3(a, b, 145, "foo");
+			}
+		})";
+	compileAndRun(sourceCode);
+
+	BOOST_CHECK(callContractFunction("foo()") == encodeArgs(dev::sha3("foo")));
+
+	BOOST_CHECK(callContractFunction("bar(uint256,uint16)", 10, 12) == encodeArgs(
+					dev::sha3(
+						toBigEndian(u256(10)) +
+						bytes({0x0, 0xc}) +
+						bytes({0x91}) +
+						bytes({0x66, 0x6f, 0x6f}))));
+}
+
+BOOST_AUTO_TEST_CASE(generic_call)
+{
+	char const* sourceCode = R"**(
+			contract receiver {
+				uint public received;
+				function receive(uint256 x) { received = x; }
+			}
+			contract sender {
+				function doSend(address rec) returns (uint d)
+				{
+					string4 signature = string4(string32(sha3("receive(uint256)")));
+					rec.call.value(2)(signature, 23);
+					return receiver(rec).received();
+				}
+			}
+	)**";
+	compileAndRun(sourceCode, 0, "receiver");
+	u160 const c_receiverAddress = m_contractAddress;
+	compileAndRun(sourceCode, 50, "sender");
+	BOOST_REQUIRE(callContractFunction("doSend(address)", c_receiverAddress) == encodeArgs(23));
+	BOOST_CHECK_EQUAL(m_state.balance(m_contractAddress), 50 - 2);
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }
diff --git a/test/SolidityExpressionCompiler.cpp b/test/SolidityExpressionCompiler.cpp
index a0cca3a3a..9cd13dcfd 100644
--- a/test/SolidityExpressionCompiler.cpp
+++ b/test/SolidityExpressionCompiler.cpp
@@ -91,7 +91,15 @@ bytes compileFirstExpression(const string& _sourceCode, vector<vector<string>> _
 {
 	Parser parser;
 	ASTPointer<SourceUnit> sourceUnit;
-	BOOST_REQUIRE_NO_THROW(sourceUnit = parser.parse(make_shared<Scanner>(CharStream(_sourceCode))));
+	try
+	{
+		sourceUnit = parser.parse(make_shared<Scanner>(CharStream(_sourceCode)));
+	}
+	catch(boost::exception const& _e)
+	{
+		auto msg = std::string("Parsing source code failed with: \n") + boost::diagnostic_information(_e);
+		BOOST_FAIL(msg);
+	}
 
 	vector<Declaration const*> declarations;
 	declarations.reserve(_globalDeclarations.size() + 1);
@@ -177,6 +185,66 @@ BOOST_AUTO_TEST_CASE(int_literal)
 	BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
 }
 
+BOOST_AUTO_TEST_CASE(int_with_wei_ether_subdenomination)
+{
+	char const* sourceCode = R"(
+		contract test {
+			function test ()
+			{
+				 var x = 1 wei;
+			}
+		})";
+	bytes code = compileFirstExpression(sourceCode);
+
+	bytes expectation({byte(eth::Instruction::PUSH1), 0x1});
+	BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(int_with_szabo_ether_subdenomination)
+{
+	char const* sourceCode = R"(
+		contract test {
+			function test ()
+			{
+				 var x = 1 szabo;
+			}
+		})";
+	bytes code = compileFirstExpression(sourceCode);
+
+	bytes expectation({byte(eth::Instruction::PUSH5), 0xe8, 0xd4, 0xa5, 0x10, 0x00});
+	BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(int_with_finney_ether_subdenomination)
+{
+	char const* sourceCode = R"(
+		contract test {
+			function test ()
+			{
+				 var x = 1 finney;
+			}
+		})";
+	bytes code = compileFirstExpression(sourceCode);
+
+	bytes expectation({byte(eth::Instruction::PUSH7), 0x3, 0x8d, 0x7e, 0xa4, 0xc6, 0x80, 0x00});
+	BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(int_with_ether_ether_subdenomination)
+{
+	char const* sourceCode = R"(
+		contract test {
+			function test ()
+			{
+				 var x = 1 ether;
+			}
+		})";
+	bytes code = compileFirstExpression(sourceCode);
+
+	bytes expectation({byte(eth::Instruction::PUSH8), 0xd, 0xe0, 0xb6, 0xb3, 0xa7, 0x64, 0x00, 0x00});
+	BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
 BOOST_AUTO_TEST_CASE(comparison)
 {
 	char const* sourceCode = "contract test {\n"
@@ -409,7 +477,7 @@ BOOST_AUTO_TEST_CASE(blockhash)
 							 "  }\n"
 							 "}\n";
 	bytes code = compileFirstExpression(sourceCode, {}, {},
-										{make_shared<MagicVariableDeclaration>("block", make_shared<MagicType>(MagicType::Kind::BLOCK))});
+										{make_shared<MagicVariableDeclaration>("block", make_shared<MagicType>(MagicType::Kind::Block))});
 
 	bytes expectation({byte(eth::Instruction::PUSH1), 0x03,
 					   byte(eth::Instruction::BLOCKHASH)});
diff --git a/test/SolidityInterface.cpp b/test/SolidityInterface.cpp
index 3b7d26ec4..78de2356a 100644
--- a/test/SolidityInterface.cpp
+++ b/test/SolidityInterface.cpp
@@ -43,7 +43,7 @@ public:
 	{
 		m_code = _code;
 		BOOST_REQUIRE_NO_THROW(m_compilerStack.parse(_code));
-		m_interface = m_compilerStack.getMetadata("", DocumentationType::ABI_SOLIDITY_INTERFACE);
+		m_interface = m_compilerStack.getMetadata("", DocumentationType::ABISolidityInterface);
 		BOOST_REQUIRE_NO_THROW(m_reCompiler.parse(m_interface));
 		return m_reCompiler.getContractDefinition(_contractName);
 	}
diff --git a/test/SolidityNameAndTypeResolution.cpp b/test/SolidityNameAndTypeResolution.cpp
index ae6c374b4..f4be31f4b 100644
--- a/test/SolidityNameAndTypeResolution.cpp
+++ b/test/SolidityNameAndTypeResolution.cpp
@@ -904,6 +904,76 @@ BOOST_AUTO_TEST_CASE(invalid_parameter_names_in_named_args)
 	BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
 }
 
+BOOST_AUTO_TEST_CASE(empty_name_input_parameter)
+{
+	char const* text = R"(
+		contract test {
+			function f(uint){
+		}
+	})";
+	BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
+}
+
+BOOST_AUTO_TEST_CASE(empty_name_return_parameter)
+{
+	char const* text = R"(
+		contract test {
+			function f() returns(bool){
+		}
+		})";
+	BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
+}
+
+BOOST_AUTO_TEST_CASE(empty_name_input_parameter_with_named_one)
+{
+	char const* text = R"(
+		contract test {
+			function f(uint, uint k) returns(uint ret_k){
+				return k;
+		}
+	})";
+	BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
+}
+
+BOOST_AUTO_TEST_CASE(empty_name_return_parameter_with_named_one)
+{
+	char const* text = R"(
+		contract test {
+			function f() returns(uint ret_k, uint){
+				return 5;
+		}
+		})";
+	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(disallow_declaration_of_void_type)
+{
+	char const* sourceCode = "contract c { function f() { var x = f(); } }";
+	BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(overflow_caused_by_ether_units)
+{
+	char const* sourceCodeFine = R"(
+		contract c {
+			function c ()
+			{
+				 a = 115792089237316195423570985008687907853269984665640564039458;
+			}
+			uint256 a;
+		})";
+	BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCodeFine));
+	char const* sourceCode = R"(
+		contract c {
+			function c ()
+			{
+				 a = 115792089237316195423570985008687907853269984665640564039458 ether;
+			}
+			uint256 a;
+		})";
+	BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }
diff --git a/test/SolidityNatspecJSON.cpp b/test/SolidityNatspecJSON.cpp
index 911820ddd..b652ad10e 100644
--- a/test/SolidityNatspecJSON.cpp
+++ b/test/SolidityNatspecJSON.cpp
@@ -54,9 +54,9 @@ public:
 		}
 
 		if (_userDocumentation)
-			generatedDocumentationString = m_compilerStack.getMetadata("", DocumentationType::NATSPEC_USER);
+			generatedDocumentationString = m_compilerStack.getMetadata("", DocumentationType::NatspecUser);
 		else
-			generatedDocumentationString = m_compilerStack.getMetadata("", DocumentationType::NATSPEC_DEV);
+			generatedDocumentationString = m_compilerStack.getMetadata("", DocumentationType::NatspecDev);
 		Json::Value generatedDocumentation;
 		m_reader.parse(generatedDocumentationString, generatedDocumentation);
 		Json::Value expectedDocumentation;
diff --git a/test/SolidityParser.cpp b/test/SolidityParser.cpp
index 9ba38a4a1..7af99567b 100644
--- a/test/SolidityParser.cpp
+++ b/test/SolidityParser.cpp
@@ -660,6 +660,38 @@ BOOST_AUTO_TEST_CASE(multiple_visibility_specifiers)
 	BOOST_CHECK_THROW(parseText(text), ParserError);
 }
 
+BOOST_AUTO_TEST_CASE(literal_constants_with_ether_subdenominations)
+{
+	char const* text = R"(
+		contract c {
+			function c ()
+			{
+				 a = 1 wei;
+				 b = 2 szabo;
+				 c = 3 finney;
+				 b = 4 ether;
+			}
+			uint256 a;
+			uint256 b;
+			uint256 c;
+			uint256 d;
+		})";
+	BOOST_CHECK_NO_THROW(parseTextExplainError(text));
+}
+
+BOOST_AUTO_TEST_CASE(literal_constants_with_ether_subdenominations_in_expressions)
+{
+	char const* text = R"(
+		contract c {
+			function c ()
+			{
+				 a = 1 wei * 100 wei + 7 szabo - 3;
+			}
+			uint256 a;
+		})";
+	BOOST_CHECK_NO_THROW(parseTextExplainError(text));
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }
diff --git a/test/SolidityScanner.cpp b/test/SolidityScanner.cpp
index 7dc9ef482..2e4e5db08 100644
--- a/test/SolidityScanner.cpp
+++ b/test/SolidityScanner.cpp
@@ -41,17 +41,17 @@ BOOST_AUTO_TEST_CASE(test_empty)
 BOOST_AUTO_TEST_CASE(smoke_test)
 {
 	Scanner scanner(CharStream("function break;765  \t  \"string1\",'string2'\nidentifier1"));
-	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::FUNCTION);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::BREAK);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::SEMICOLON);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::NUMBER);
+	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Function);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Break);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "765");
-	BOOST_CHECK_EQUAL(scanner.next(), Token::STRING_LITERAL);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "string1");
-	BOOST_CHECK_EQUAL(scanner.next(), Token::COMMA);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::STRING_LITERAL);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Comma);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "string2");
-	BOOST_CHECK_EQUAL(scanner.next(), Token::IDENTIFIER);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "identifier1");
 	BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
 }
@@ -59,85 +59,85 @@ BOOST_AUTO_TEST_CASE(smoke_test)
 BOOST_AUTO_TEST_CASE(string_escapes)
 {
 	Scanner scanner(CharStream("  { \"a\\x61\""));
-	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::LBRACE);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::STRING_LITERAL);
+	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::LBrace);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "aa");
 }
 
 BOOST_AUTO_TEST_CASE(string_escapes_with_zero)
 {
 	Scanner scanner(CharStream("  { \"a\\x61\\x00abc\""));
-	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::LBRACE);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::STRING_LITERAL);
+	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::LBrace);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), std::string("aa\0abc", 6));
 }
 
 BOOST_AUTO_TEST_CASE(string_escape_illegal)
 {
 	Scanner scanner(CharStream(" bla \"\\x6rf\" (illegalescape)"));
-	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::IDENTIFIER);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::ILLEGAL);
+	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "");
 	// TODO recovery from illegal tokens should be improved
-	BOOST_CHECK_EQUAL(scanner.next(), Token::ILLEGAL);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::IDENTIFIER);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::ILLEGAL);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
 	BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
 }
 
 BOOST_AUTO_TEST_CASE(hex_numbers)
 {
 	Scanner scanner(CharStream("var x = 0x765432536763762734623472346;"));
-	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::VAR);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::IDENTIFIER);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::ASSIGN);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::NUMBER);
+	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Var);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Assign);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "0x765432536763762734623472346");
-	BOOST_CHECK_EQUAL(scanner.next(), Token::SEMICOLON);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon);
 	BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
 }
 
 BOOST_AUTO_TEST_CASE(negative_numbers)
 {
 	Scanner scanner(CharStream("var x = -.2 + -0x78 + -7.3 + 8.9;"));
-	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::VAR);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::IDENTIFIER);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::ASSIGN);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::SUB);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::NUMBER);
+	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Var);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Assign);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Sub);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), ".2");
-	BOOST_CHECK_EQUAL(scanner.next(), Token::ADD);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::SUB);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::NUMBER);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Add);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Sub);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "0x78");
-	BOOST_CHECK_EQUAL(scanner.next(), Token::ADD);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::SUB);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::NUMBER);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Add);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Sub);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "7.3");
-	BOOST_CHECK_EQUAL(scanner.next(), Token::ADD);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::NUMBER);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Add);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "8.9");
-	BOOST_CHECK_EQUAL(scanner.next(), Token::SEMICOLON);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon);
 	BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
 }
 
 BOOST_AUTO_TEST_CASE(locations)
 {
 	Scanner scanner(CharStream("function_identifier has ; -0x743/*comment*/\n ident //comment"));
-	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::IDENTIFIER);
+	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 0);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 19);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::IDENTIFIER);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 20);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 23);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::SEMICOLON);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 24);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 25);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::SUB);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::NUMBER);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Sub);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 27);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 32);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::IDENTIFIER);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 45);
 	BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 50);
 	BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
@@ -147,13 +147,13 @@ BOOST_AUTO_TEST_CASE(ambiguities)
 {
 	// test scanning of some operators which need look-ahead
 	Scanner scanner(CharStream("<=""<""+ +=a++ =>""<<"));
-	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::LTE);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::LT);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::ADD);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::ASSIGN_ADD);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::IDENTIFIER);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::INC);
-	BOOST_CHECK_EQUAL(scanner.next(), Token::ARROW);
+	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::LessThanOrEqual);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::LessThan);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Add);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::AssignAdd);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Inc);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::Arrow);
 	BOOST_CHECK_EQUAL(scanner.next(), Token::SHL);
 }
 
@@ -174,9 +174,9 @@ BOOST_AUTO_TEST_CASE(multiline_documentation_comments_parsed_begin)
 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.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");
 }
@@ -186,9 +186,9 @@ BOOST_AUTO_TEST_CASE(multiline_documentation_comments_parsed)
 	Scanner scanner(CharStream("some other tokens /**\n"
 							   "* Send $(value / 1000) chocolates to the user\n"
 							   "*/"));
-	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.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");
 }
@@ -198,9 +198,9 @@ BOOST_AUTO_TEST_CASE(multiline_documentation_no_stars)
 	Scanner scanner(CharStream("some other tokens /**\n"
 							   " Send $(value / 1000) chocolates to the user\n"
 							   "*/"));
-	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.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");
 }
@@ -210,9 +210,9 @@ BOOST_AUTO_TEST_CASE(multiline_documentation_whitespace_hell)
 	Scanner scanner(CharStream("some other tokens /** \t \r \n"
 							   "\t \r  * Send $(value / 1000) chocolates to the user\n"
 							   "*/"));
-	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.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");
 }
@@ -250,11 +250,20 @@ 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.getCurrentToken(), Token::Identifier);
 	BOOST_CHECK_EQUAL(scanner.next(), Token::SHL);
 	BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "documentation comment ");
 }
 
+BOOST_AUTO_TEST_CASE(ether_subdenominations)
+{
+	Scanner scanner(CharStream("wei szabo finney ether"));
+	BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::SubWei);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::SubSzabo);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::SubFinney);
+	BOOST_CHECK_EQUAL(scanner.next(), Token::SubEther);
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }
diff --git a/test/natspec.cpp b/test/natspec.cpp
new file mode 100644
index 000000000..8ba660418
--- /dev/null
+++ b/test/natspec.cpp
@@ -0,0 +1,116 @@
+/*
+	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 natspec.cpp
+ * @author Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+#if !ETH_HEADLESS
+
+#include <boost/test/unit_test.hpp>
+#include <libdevcore/Log.h>
+#include <libnatspec/NatspecExpressionEvaluator.h>
+
+using namespace std;
+
+BOOST_AUTO_TEST_SUITE(natspec)
+
+BOOST_AUTO_TEST_CASE(natspec_eval_function_exists)
+{
+	// given
+	NatspecExpressionEvaluator e;
+	// when
+	string result = e.evalExpression("`typeof evaluateExpression`").toStdString();
+	// then
+	BOOST_CHECK_EQUAL(result, "function");
+}
+
+BOOST_AUTO_TEST_CASE(natspec_js_eval)
+{
+	// given
+	NatspecExpressionEvaluator e;
+	// when
+	string result = e.evalExpression("`1 + 2`").toStdString();
+	// then
+	BOOST_CHECK_EQUAL(result, "3");
+}
+
+BOOST_AUTO_TEST_CASE(natspec_create_custom_function)
+{
+	// given
+	NatspecExpressionEvaluator e;
+	// when
+	auto x = e.evalExpression("`test = function (x) { return x + 'ok'; }`"); // ommit var, make it global
+	string result = e.evalExpression("`test(5)`").toStdString();
+	string result2 = e.evalExpression("`typeof test`").toStdString();
+	// then
+	BOOST_CHECK_EQUAL(result, "5ok");
+	BOOST_CHECK_EQUAL(result2, "function");
+}
+
+BOOST_AUTO_TEST_CASE(natspec_js_eval_separated_expressions)
+{
+	// given
+	NatspecExpressionEvaluator e;
+	// when
+	string result = e.evalExpression("`x = 1` + `y = 2` will be equal `x + y`").toStdString();
+	// then
+	BOOST_CHECK_EQUAL(result, "1 + 2 will be equal 3");
+}
+
+BOOST_AUTO_TEST_CASE(natspec_js_eval_input_params)
+{
+	// given
+	char const* abi = R"([
+	{
+		"name": "f",
+		"constant": false,
+		"type": "function",
+		"inputs": [
+		{
+			"name": "a",
+			"type": "uint256"
+		}
+		],
+		"outputs": [
+		{
+			"name": "d",
+			"type": "uint256"
+		}
+		]
+	}
+	])";
+	NatspecExpressionEvaluator e(abi, "'f'", "[4]");
+	// when
+	string result = e.evalExpression("Will multiply `a` by 7 and return `a * 7`.").toStdString();
+	// then
+	BOOST_CHECK_EQUAL(result, "Will multiply 4 by 7 and return 28.");
+}
+
+BOOST_AUTO_TEST_CASE(natspec_js_eval_error)
+{
+	// given
+	NatspecExpressionEvaluator e;
+	// when
+	string result = e.evalExpression("`test(`").toStdString();
+	// then
+	BOOST_CHECK_EQUAL(result, "`test(`");
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+#endif
diff --git a/test/stRefundTestFiller.json b/test/stRefundTestFiller.json
index 6b2b2fc15..6749fd3dd 100644
--- a/test/stRefundTestFiller.json
+++ b/test/stRefundTestFiller.json
@@ -303,6 +303,34 @@
              "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
              "data" : ""
          }
-     }
+     },
+    "RefundOverflow" : {
+           "env" : {
+               "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+               "currentDifficulty" : "45678256",
+               "currentGasLimit" : "115792089237316195423570985008687907853269984665640564039457584007913129639935",
+               "currentNumber" : "0",
+               "currentTimestamp" : 1,
+               "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+           },
+           "pre" : {
+               "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                   "balance" : "400",
+                   "code" : "0x",
+                   "nonce" : "0",
+                   "storage" : {
+                   }
+               }
+           },
+           "transaction" : {
+               "data" : "",
+               "gasLimit" : "5789604461865809771178549250434395392663499233282028201972879200395656482016",
+               "gasPrice" : "20",
+               "nonce" : "0",
+               "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+               "to" : "b94f5374fce5edbc8e2a8697c15331677e6ebf0b",
+               "value" : ""
+           }
+       }
 
 }
diff --git a/test/stSystemOperationsTestFiller.json b/test/stSystemOperationsTestFiller.json
index 253ba0a8a..6a4b83e34 100644
--- a/test/stSystemOperationsTestFiller.json
+++ b/test/stSystemOperationsTestFiller.json
@@ -33,6 +33,76 @@
         }
     },
 
+    "testRandomTest": {
+        "env" : {
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "115792089237316195423570985008687907853269984665640564039457584007913129639935",
+            "currentGasLimit" : "1000000",
+            "currentNumber" : "300",
+            "currentTimestamp" : "2",
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x424443444243434383f0155af055",
+                "nonce" : "0",
+                "storage" : {
+                }
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "code" : "0x",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "transaction" : {
+            "data" : "",
+            "gasLimit" : "10000",
+            "gasPrice" : "1",
+            "nonce" : "0",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "to" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "value" : "100000"
+        }
+    },
+
+    "createWithInvalidOpcode": {
+        "env" : {
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "currentDifficulty" : "115792089237316195423570985008687907853269984665640564039457584007913129639935",
+            "currentGasLimit" : "1000000",
+            "currentNumber" : "300",
+            "currentTimestamp" : "2",
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "pre" : {
+            "095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "0x444242424245434253f0",
+                "storage": {}
+            },
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000000000000000",
+                "nonce" : 0,
+                "code" : "",
+                "storage": {}
+            }
+        },
+        "transaction" : {
+            "nonce" : "0",
+            "gasPrice" : "1",
+            "gasLimit" : "10000",
+            "to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
+            "value" : "100000",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "data" : ""
+        }
+    },
+
     "createNameRegistratorOOG_MemExpansionInsufficientBalance": {
         "env" : {
             "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
diff --git a/test/stTransactionTestFiller.json b/test/stTransactionTestFiller.json
index cd42af795..a5092b60b 100644
--- a/test/stTransactionTestFiller.json
+++ b/test/stTransactionTestFiller.json
@@ -169,7 +169,7 @@
         },
         "pre" :
         {
-            "b94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
                 "balance" : "1000",
                 "code" : "",
                 "nonce" : "0",
@@ -189,6 +189,68 @@
         }
     },
 
+    "TransactionFromCoinbaseHittingBlockGasLimit" : {
+        "env" : {
+            "currentCoinbase" : "a94f5374fce5edbc8e2a8697c15331677e6ebf0b",
+            "currentDifficulty" : "45678256",
+            "currentGasLimit" : "1100",
+            "currentNumber" : "0",
+            "currentTimestamp" : 1,
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "pre" :
+        {
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "1000000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "transaction" :
+        {
+            "data" : "",
+            "gasLimit" : "1100",
+            "gasPrice" : "1",
+            "nonce" : "",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "to" : "b94f5374fce5edbc8e2a8697c15331677e6ebf0b",
+            "value" : "10"
+        }
+    },
+
+    "TransactionFromCoinbaseHittingBlockGasLimit1" : {
+        "env" : {
+            "currentCoinbase" : "a94f5374fce5edbc8e2a8697c15331677e6ebf0b",
+            "currentDifficulty" : "45678256",
+            "currentGasLimit" : "1100",
+            "currentNumber" : "0",
+            "currentTimestamp" : 1,
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
+        },
+        "pre" :
+        {
+            "a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "100000",
+                "code" : "",
+                "nonce" : "0",
+                "storage" : {
+                }
+            }
+        },
+        "transaction" :
+        {
+            "data" : "",
+            "gasLimit" : "1101",
+            "gasPrice" : "1",
+            "nonce" : "",
+            "secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
+            "to" : "b94f5374fce5edbc8e2a8697c15331677e6ebf0b",
+            "value" : "10"
+        }
+    },
+
     "ContractStoreClearsSuccess" : {
         "env" : {
             "currentCoinbase" : "b94f5374fce5edbc8e2a8697c15331677e6ebf0b",
diff --git a/test/vmSha3TestFiller.json b/test/vmSha3TestFiller.json
index 7ed729520..851b7aab9 100644
--- a/test/vmSha3TestFiller.json
+++ b/test/vmSha3TestFiller.json
@@ -193,5 +193,89 @@
             "gasPrice" : "100000000000000",
             "gas" : "10000"
         }
+    },
+
+    "sha3_bigSize": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (SHA3 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)}",
+                "storage": {}
+            }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+            "data" : "",
+            "gasPrice" : "1",
+            "gas" : "0x10000000000"
+        }
+    },
+
+    "sha3_bigOffset": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (SHA3 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 2)}",
+                "storage": {}
+            }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+            "data" : "",
+            "gasPrice" : "1",
+            "gas" : "0x10000000000"
+        }
+    },
+
+    "sha3_bigOffset2": {
+        "env" : {
+            "previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6",
+            "currentNumber" : "0",
+            "currentGasLimit" : "1000000",
+            "currentDifficulty" : "256",
+            "currentTimestamp" : 1,
+            "currentCoinbase" : "2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"
+        },
+        "pre" : {
+            "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6" : {
+                "balance" : "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+                "nonce" : 0,
+                "code" : "{ [[ 0 ]] (SHA3 0x1000000 2)}",
+                "storage": {}
+            }
+        },
+        "exec" : {
+            "address" : "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6",
+            "origin" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "caller" : "cd1722f3947def4cf144679da39c4c32bdc35681",
+            "value" : "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+            "data" : "",
+            "gasPrice" : "1",
+            "gas" : "0x100000000"
+        }
     }
 }
diff --git a/test/webthreestubclient.h b/test/webthreestubclient.h
index 6a82263d0..1836f6506 100644
--- a/test/webthreestubclient.h
+++ b/test/webthreestubclient.h
@@ -213,6 +213,16 @@ class WebThreeStubClient : public jsonrpc::Client
             else
                 throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
+        bool eth_flush() throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p = Json::nullValue;
+            Json::Value result = this->CallMethod("eth_flush",p);
+            if (result.isBool())
+                return result.asBool();
+            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;
@@ -347,13 +357,13 @@ class WebThreeStubClient : public jsonrpc::Client
             else
                 throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
-        bool eth_changed(const int& param1) throw (jsonrpc::JsonRpcException)
+        Json::Value eth_changed(const int& param1) throw (jsonrpc::JsonRpcException)
         {
             Json::Value p;
             p.append(param1);
             Json::Value result = this->CallMethod("eth_changed",p);
-            if (result.isBool())
-                return result.asBool();
+            if (result.isArray())
+                return result;
             else
                 throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
@@ -377,6 +387,26 @@ class WebThreeStubClient : public jsonrpc::Client
             else
                 throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
         }
+        Json::Value eth_getWork() throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p = Json::nullValue;
+            Json::Value result = this->CallMethod("eth_getWork",p);
+            if (result.isArray())
+                return result;
+            else
+                throw jsonrpc::JsonRpcException(jsonrpc::Errors::ERROR_CLIENT_INVALID_RESPONSE, result.toStyledString());
+        }
+        bool eth_submitWork(const std::string& param1) throw (jsonrpc::JsonRpcException)
+        {
+            Json::Value p;
+            p.append(param1);
+            Json::Value result = this->CallMethod("eth_submitWork",p);
+            if (result.isBool())
+                return result.asBool();
+            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;
diff --git a/third/CMakeLists.txt b/third/CMakeLists.txt
index 4b83b4fa5..71f1e70f2 100644
--- a/third/CMakeLists.txt
+++ b/third/CMakeLists.txt
@@ -38,7 +38,9 @@ target_link_libraries(${EXECUTABLE} ethereum)
 target_link_libraries(${EXECUTABLE} evm)
 target_link_libraries(${EXECUTABLE} ethcore) 
 target_link_libraries(${EXECUTABLE} secp256k1) 
-target_link_libraries(${EXECUTABLE} serpent) 
+if (NOT ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC"))
+target_link_libraries(${EXECUTABLE} serpent)
+endif()
 target_link_libraries(${EXECUTABLE} lll) 
 target_link_libraries(${EXECUTABLE} evmcore) 
 target_link_libraries(${EXECUTABLE} devcore)