Merge pull request #895 from yann300/param_types

Manage solidity types

libdevcore/CommonJS.cpp

@@ -45,6 +45,12 @@ bytes padded(bytes _b, unsigned _l)
 	return asBytes(asString(_b).substr(_b.size() - std::max(_l, _l)));
 }
 
+bytes paddedRight(bytes _b, unsigned _l)
+{
+	_b.resize(_l);
+	return _b;
+}
+
 bytes unpadded(bytes _b)
 {
 	auto p = asString(_b).find_last_not_of((char)0);
@@ -52,12 +58,18 @@ bytes unpadded(bytes _b)
 	return _b;
 }
 
-std::string unpadLeft(std::string _b)
+bytes unpadLeft(bytes _b)
 {
-	auto p = _b.find_first_not_of('0');
+	unsigned int i = 0;
-	if (p == std::string::npos)
+	if (_b.size() == 0)
-		return "0";
+		return _b;
-	return _b.substr(p, _b.length() - 1);
+
+	while (i < _b.size() && _b[i] == byte(0))
+		i++;
+
+	if (i != 0)
+		_b.erase(_b.begin(), _b.begin() + i);
+	return _b;
 }
 
 std::string prettyU256(u256 _n)

libdevcore/CommonJS.h

@@ -48,12 +48,14 @@ inline std::string toJS(dev::bytes const& _n)
 
 /// Convert string to byte array. Input parameters can be hex or dec. Returns empty array if invalid input e.g neither dec or hex.
 bytes jsToBytes(std::string const& _s);
-/// Add '0' on the head of _b until _l.
+/// Add '0' on the head of @a _b until @a _l.
 bytes padded(bytes _b, unsigned _l);
+/// Add '0' on the queue of @a _b until @a _l.
+bytes paddedRight(bytes _b, unsigned _l);
 /// Removing all trailing '0'. Returns empty array if input contains only '0' char.
 bytes unpadded(bytes _s);
-/// Remove all '0' on the head of _s. Returns 0 if _s contains only '0'.
+/// Remove all 0 byte on the head of @a _s.
-std::string unpadLeft(std::string _s);
+bytes unpadLeft(bytes _s);
 /// Convert u256 into user-readable string. Returns int/hex value of 64 bits int, hex of 160 bits FixedHash. As a fallback try to handle input as h256.
 std::string prettyU256(u256 _n);
 /// Convert h256 into user-readable string (by directly using std::string constructor).

mix/AppContext.cpp

@@ -63,6 +63,12 @@ void AppContext::load()
 	m_applicationEngine->rootContext()->setContextProperty("fileIo", m_fileIo.get());
 	qmlRegisterType<QEther>("org.ethereum.qml.QEther", 1, 0, "QEther");
 	qmlRegisterType<QBigInt>("org.ethereum.qml.QBigInt", 1, 0, "QBigInt");
+	qmlRegisterType<QIntType>("org.ethereum.qml.QIntType", 1, 0, "QIntType");
+	qmlRegisterType<QRealType>("org.ethereum.qml.QRealType", 1, 0, "QRealType");
+	qmlRegisterType<QStringType>("org.ethereum.qml.QStringType", 1, 0, "QStringType");
+	qmlRegisterType<QHashType>("org.ethereum.qml.QHashType", 1, 0, "QHashType");
+	qmlRegisterType<QBoolType>("org.ethereum.qml.QBoolType", 1, 0, "QBoolType");
+	qmlRegisterType<QVariableDeclaration>("org.ethereum.qml.QVariableDeclaration", 1, 0, "QVariableDeclaration");
 	QQmlComponent projectModelComponent(m_applicationEngine, QUrl("qrc:/qml/ProjectModel.qml"));
 	QObject* projectModel = projectModelComponent.create();
 	if (projectModelComponent.isError())

mix/ClientModel.cpp

@@ -66,6 +66,10 @@ ClientModel::ClientModel(AppContext* _context):
 	m_context(_context), m_running(false), m_rpcConnector(new RpcConnector()), m_contractAddress(Address())
 {
 	qRegisterMetaType<QBigInt*>("QBigInt*");
+	qRegisterMetaType<QIntType*>("QIntType*");
+	qRegisterMetaType<QStringType*>("QStringType*");
+	qRegisterMetaType<QRealType*>("QRealType*");
+	qRegisterMetaType<QHashType*>("QHashType*");
 	qRegisterMetaType<QEther*>("QEther*");
 	qRegisterMetaType<QVariableDefinition*>("QVariableDefinition*");
 	qRegisterMetaType<QVariableDefinitionList*>("QVariableDefinitionList*");
@@ -146,13 +150,13 @@ void ClientModel::setupState(QVariantMap _state)
 		}
 		else
 		{
-			QVariantMap params = transaction.value("parameters").toMap();
+			QVariantList qParams = transaction.value("qType").toList();
 			TransactionSettings transactionSettings(functionId, value, gas, gasPrice);
 
-			for (auto p = params.cbegin(); p != params.cend(); ++p)
+			for (QVariant const& variant: qParams)
 			{
-				QBigInt* param = qvariant_cast<QBigInt*>(p.value());
+				QVariableDefinition* param = qvariant_cast<QVariableDefinition*>(variant);
-				transactionSettings.parameterValues.insert(std::make_pair(p.key(), boost::get<dev::u256>(param->internalValue())));
+				transactionSettings.parameterValues.push_back(param);
 			}
 
 			if (transaction.value("executeConstructor").toBool())
@@ -212,14 +216,11 @@ void ClientModel::executeSequence(std::vector<TransactionSettings> const& _seque
 						BOOST_THROW_EXCEPTION(FunctionNotFoundException() << FunctionName(transaction.functionId.toStdString()));
 
 					encoder.encode(f);
-					for (int p = 0; p < f->parametersList().size(); p++)
+					for (int p = 0; p < transaction.parameterValues.size(); p++)
 					{
-						QVariableDeclaration* var = f->parametersList().at(p);
+						if (f->parametersList().at(p)->type() != transaction.parameterValues.at(p)->declaration()->type())
-						u256 value = 0;
+							BOOST_THROW_EXCEPTION(ParameterChangedException() << FunctionName(f->parametersList().at(p)->type().toStdString()));
-						auto v = transaction.parameterValues.find(var->name());
+						encoder.push(transaction.parameterValues.at(p)->encodeValue());
-						if (v != transaction.parameterValues.cend())
-							value = v->second;
-						encoder.encode(var, value);
 					}
 
 					if (transaction.functionId.isEmpty())
@@ -330,11 +331,6 @@ void ClientModel::onNewTransaction()
 
 	bool creation = tr.contractAddress != 0;
 
-	if (creation)
-		returned = QString::fromStdString(toJS(tr.contractAddress));
-	else
-		returned = QString::fromStdString(toJS(tr.returnValue));
-
 	//TODO: handle value transfer
 	FixedHash<4> functionHash;
 	bool call = false;
@@ -363,6 +359,9 @@ void ClientModel::onNewTransaction()
 			function = QObject::tr("<none>");
 	}
 
+	if (creation)
+		returned = QString::fromStdString(toJS(tr.contractAddress));
+
 	if (m_contractAddress != 0 && (tr.address == m_contractAddress || tr.contractAddress == m_contractAddress))
 	{
 		auto compilerRes = m_context->codeModel()->code();
@@ -372,7 +371,13 @@ void ClientModel::onNewTransaction()
 		{
 			QFunctionDefinition* funcDef = def->getFunction(functionHash);
 			if (funcDef)
+			{
 				function = funcDef->name();
+				ContractCallDataEncoder encoder;
+				QList<QVariableDefinition*> returnValues = encoder.decode(funcDef->returnParameters(), tr.returnValue);
+				for (auto const& var: returnValues)
+					returned += var->value() + " | ";
+			}
 		}
 	}
 

mix/ClientModel.h

@@ -27,6 +27,7 @@
 #include <map>
 #include <QString>
 #include "MixClient.h"
+#include "QVariableDefinition.h"
 
 namespace dev
 {
@@ -59,7 +60,7 @@ struct TransactionSettings
 	/// Gas price
 	u256 gasPrice;
 	/// Mapping from contract function parameter name to value
-	std::map<QString, u256> parameterValues;
+	QList<QVariableDefinition*> parameterValues;
 	/// Standard contract url
 	QString stdContractUrl;
 };

mix/ContractCallDataEncoder.cpp

@@ -44,89 +44,37 @@ void ContractCallDataEncoder::encode(QFunctionDefinition const* _function)
 	m_encodedData.insert(m_encodedData.end(), hash.begin(), hash.end());
 }
 
-void ContractCallDataEncoder::encode(QVariableDeclaration const* _dec, bool _value)
+void ContractCallDataEncoder::push(bytes const& _b)
 {
-	return encode(_dec, QString(formatBool(_value)));
+	m_encodedData.insert(m_encodedData.end(), _b.begin(), _b.end());
 }
 
-void ContractCallDataEncoder::encode(QVariableDeclaration const* _dec, QString _value)
+QList<QVariableDefinition*> ContractCallDataEncoder::decode(QList<QVariableDeclaration*> const& _returnParameters, bytes _value)
-{
-	int padding = this->padding(_dec->type());
-	bytes data = padded(jsToBytes(_value.toStdString()), padding);
-	m_encodedData.insert(m_encodedData.end(), data.begin(), data.end());
-}
-
-void ContractCallDataEncoder::encode(QVariableDeclaration const* _dec, u256 _value)
-{
-	int padding = this->padding(_dec->type());
-	std::ostringstream s;
-	s << std::hex << "0x" << _value;
-	bytes data = padded(jsToBytes(s.str()), padding);
-	m_encodedData.insert(m_encodedData.end(), data.begin(), data.end());
-	encodedData();
-}
-
-QList<QVariableDefinition*> ContractCallDataEncoder::decode(QList<QVariableDeclaration*> _returnParameters, bytes _value)
 {
 	QList<QVariableDefinition*> r;
-	std::string returnValue = toJS(_value);
-	returnValue = returnValue.substr(2, returnValue.length() - 1);
 	for (int k = 0; k <_returnParameters.length(); k++)
 	{
 		QVariableDeclaration* dec = (QVariableDeclaration*)_returnParameters.at(k);
-		int padding = this->padding(dec->type());
+		QVariableDefinition* def = nullptr;
-		std::string rawParam = returnValue.substr(0, padding * 2);
+		if (dec->type().contains("int"))
-		r.append(new QVariableDefinition(dec, convertToReadable(unpadLeft(rawParam), dec)));
+			def = new QIntType(dec, QString());
-		returnValue = returnValue.substr(rawParam.length(), returnValue.length() - 1);
+		else if (dec->type().contains("real"))
-	}
+			def = new QRealType(dec, QString());
-	return r;
+		else if (dec->type().contains("bool"))
-}
+			def = new QBoolType(dec, QString());
-
+		else if (dec->type().contains("string") || dec->type().contains("text"))
-int ContractCallDataEncoder::padding(QString type)
+			def = new QStringType(dec, QString());
-{
+		else if (dec->type().contains("hash") || dec->type().contains("address"))
-	// TODO : to be improved (load types automatically from solidity library).
+			def = new QHashType(dec, QString());
-	if (type.indexOf("uint") != -1)
-		return integerPadding(type.remove("uint").toInt());
-	else if (type.indexOf("int") != -1)
-		return integerPadding(type.remove("int").toInt());
-	else if (type.indexOf("bool") != -1)
-		return 1;
-	else if ((type.indexOf("address") != -1))
-		return 32;
 		else
-		return 0;
+			BOOST_THROW_EXCEPTION(Exception() << errinfo_comment("Parameter declaration not found"));
-}
+
-
+		bytes rawParam(_value.begin(), _value.begin() + 32);
-int ContractCallDataEncoder::integerPadding(int bitValue)
+		def->decodeValue(rawParam);
-{
+		r.push_back(def);
-	return bitValue / 8;
+		if (_value.size() > 32)
+			_value =  bytes(_value.begin() + 32, _value.end());
+		qDebug() << "decoded return value : " << dec->type() << " " << def->value();
 	}
-
+	return r;
-QString ContractCallDataEncoder::formatBool(bool _value)
-{
-	return (_value ? "1" : "0");
-}
-
-QString ContractCallDataEncoder::convertToReadable(std::string _v, QVariableDeclaration* _dec)
-{
-	if (_dec->type().indexOf("int") != -1)
-		return convertToInt(_v);
-	else if (_dec->type().indexOf("bool") != -1)
-		return convertToBool(_v);
-	else
-		return QString::fromStdString(_v);
-}
-
-QString ContractCallDataEncoder::convertToBool(std::string _v)
-{
-	return _v == "1" ? "true" : "false";
-}
-
-QString ContractCallDataEncoder::convertToInt(std::string _v)
-{
-	//TO DO to be improve to manage all int, uint size (128, 256, ...) in ethereum QML types task #612.
-	int x = std::stol(_v, nullptr, 16);
-	std::stringstream ss;
-	ss << std::dec << x;
-	return QString::fromStdString(ss.str());
 }

mix/ContractCallDataEncoder.h

@@ -41,27 +41,17 @@ class ContractCallDataEncoder
 {
 public:
 	ContractCallDataEncoder() {}
-	/// Encode variable in order to be sent as parameter.
-	void encode(QVariableDeclaration const* _dec, QString _value);
-	/// Encode variable in order to be sent as parameter.
-	void encode(QVariableDeclaration const* _dec, u256 _value);
-	/// Encode variable in order to be sent as parameter.
-	void encode(QVariableDeclaration const* _dec, bool _value);
 	/// Encode hash of the function to call.
 	void encode(QFunctionDefinition const* _function);
 	/// Decode variable in order to be sent to QML view.
-	QList<QVariableDefinition*> decode(QList<QVariableDeclaration*> _dec, bytes _value);
+	QList<QVariableDefinition*> decode(QList<QVariableDeclaration*> const& _dec, bytes _value);
 	/// Get all encoded data encoded by encode function.
 	bytes encodedData();
+	/// Push the given @a _b to the current param context.
+	void push(bytes const& _b);
 
 private:
-	int padding(QString _type);
 	bytes m_encodedData;
-	static QString convertToReadable(std::string _v, QVariableDeclaration* _dec);
-	static QString convertToBool(std::string _v);
-	static QString convertToInt(std::string _v);
-	static int integerPadding(int _bitValue);
-	static QString formatBool(bool _value);
 };
 
 }

mix/Exceptions.h

@@ -38,6 +38,7 @@ struct FileIoException: virtual Exception {};
 struct InvalidBlockException: virtual Exception {};
 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;

mix/QBigInt.h

@@ -36,7 +36,7 @@ namespace dev
 namespace mix
 {
 
-using BigIntVariant = boost::variant<dev::u256, dev::bigint>;
+using BigIntVariant = boost::variant<dev::u256, dev::bigint, dev::s256>;
 
 struct add: public boost::static_visitor<BigIntVariant>
 {
@@ -75,6 +75,7 @@ public:
 	QBigInt(dev::u256 const& _value, QObject* _parent = 0): QObject(_parent), m_internalValue(_value) { QQmlEngine::setObjectOwnership(this, QQmlEngine::JavaScriptOwnership); }
 	QBigInt(dev::bigint const& _value, QObject* _parent = 0): QObject(_parent), m_internalValue(_value) { QQmlEngine::setObjectOwnership(this, QQmlEngine::JavaScriptOwnership); }
 	QBigInt(BigIntVariant const& _value, QObject* _parent = 0): QObject(_parent), m_internalValue(_value){ QQmlEngine::setObjectOwnership(this, QQmlEngine::JavaScriptOwnership); }
+	QBigInt(dev::s256 const& _value, QObject* _parent = 0): QObject(_parent), m_internalValue(_value) { QQmlEngine::setObjectOwnership(this, QQmlEngine::JavaScriptOwnership); }
 	~QBigInt() {}
 
 	/// @returns the current used big integer.

mix/QVariableDeclaration.h

@@ -19,6 +19,8 @@
  * @date 2014
  */
 
+#include <QDebug>
+#include <QStringList>
 #include <libsolidity/AST.h>
 #include "QBasicNodeDefinition.h"
 
@@ -32,16 +34,20 @@ namespace mix
 class QVariableDeclaration: public QBasicNodeDefinition
 {
 	Q_OBJECT
-	Q_PROPERTY(QString type READ type CONSTANT)
+	Q_PROPERTY(QString type READ type WRITE setType)
 
 public:
 	QVariableDeclaration() {}
 	QVariableDeclaration(solidity::VariableDeclaration const* _v): QBasicNodeDefinition(_v), m_type(QString::fromStdString(_v->getType()->toString())) {}
 	QVariableDeclaration(std::string const& _name, std::string const& _type): QBasicNodeDefinition(_name), m_type(QString::fromStdString(_type)) {}
 	QString type() const { return m_type; }
+	void setType(QString _type) { m_type = _type; }
+
 private:
 	QString m_type;
 };
 
 }
 }
+
+Q_DECLARE_METATYPE(dev::mix::QVariableDeclaration*)

mix/QVariableDefinition.cpp

@@ -19,6 +19,8 @@
  * @date 2014
  */
 
+#include <libdevcore/CommonData.h>
+#include <libdevcore/CommonJS.h>
 #include "QVariableDefinition.h"
 
 using namespace dev::mix;
@@ -53,3 +55,91 @@ QVariableDefinition* QVariableDefinitionList::val(int _idx)
 		return nullptr;
 	return m_def.at(_idx);
 }
+
+/*
+ * QIntType
+ */
+void QIntType::setValue(dev::bigint _value)
+{
+	m_bigIntvalue = _value;
+	std::stringstream str;
+	str << std::dec << m_bigIntvalue;
+	m_value = QString::fromStdString(str.str());
+}
+
+dev::bytes QIntType::encodeValue()
+{
+	dev::bigint i(value().toStdString());
+	bytes ret(32);
+	toBigEndian((u256)i, ret);
+	return ret;
+}
+
+void QIntType::decodeValue(dev::bytes const& _rawValue)
+{
+	dev::u256 un = dev::fromBigEndian<dev::u256>(_rawValue);
+	if (un >> 255)
+		setValue(-s256(~un + 1));
+	else
+		setValue(un);
+}
+
+/*
+ * QHashType
+ */
+dev::bytes QHashType::encodeValue()
+{
+	QByteArray bytesAr = value().toLocal8Bit();
+	bytes r = bytes(bytesAr.begin(), bytesAr.end());
+	return padded(r, 32);
+}
+
+void QHashType::decodeValue(dev::bytes const& _rawValue)
+{
+	std::string _ret = asString(unpadLeft(_rawValue));
+	setValue(QString::fromStdString(_ret));
+}
+
+/*
+ * QRealType
+ */
+dev::bytes QRealType::encodeValue()
+{
+	return bytes();
+}
+
+void QRealType::decodeValue(dev::bytes const& _rawValue)
+{
+	Q_UNUSED(_rawValue);
+}
+
+/*
+ * QStringType
+ */
+dev::bytes QStringType::encodeValue()
+{
+	QByteArray b = value().toUtf8();
+	bytes r = bytes(b.begin(), b.end());
+	return paddedRight(r, 32);
+}
+
+void QStringType::decodeValue(dev::bytes const& _rawValue)
+{
+	setValue(QString::fromUtf8((char*)_rawValue.data()));
+}
+
+/*
+ * QBoolType
+ */
+dev::bytes QBoolType::encodeValue()
+{
+	return padded(jsToBytes(value().toStdString()), 32);
+}
+
+void QBoolType::decodeValue(dev::bytes const& _rawValue)
+{
+	byte ret = _rawValue.at(_rawValue.size() - 1);
+	bool boolRet = (ret == byte(1));
+	m_boolValue = boolRet;
+	m_value = m_boolValue ? "1" : "0";
+}

mix/QVariableDefinition.h

@@ -22,6 +22,7 @@
 #pragma once
 
 #include <QAbstractListModel>
+#include "QBigInt.h"
 #include "QVariableDeclaration.h"
 
 namespace dev
@@ -37,15 +38,26 @@ class QVariableDefinition: public QObject
 	Q_PROPERTY(QVariableDeclaration* declaration READ declaration CONSTANT)
 
 public:
+	QVariableDefinition() {}
 	QVariableDefinition(QVariableDeclaration* _def, QString _value): QObject(), m_value(_value), m_dec(_def) {}
 
-	/// Return the associated declaration of this variable definition.
+	/// Return the associated declaration of this variable definition. Invokable from QML.
-	QVariableDeclaration* declaration() const { return m_dec; }
+	Q_INVOKABLE QVariableDeclaration* declaration() const { return m_dec; }
 	/// Return the variable value.
 	QString value() const { return m_value; }
+	/// Set a new value for this instance. Invokable from QML.
+	Q_INVOKABLE void setValue(QString _value) { m_value = _value; }
+	/// Set a new Declaration for this instance. Invokable from QML.
+	Q_INVOKABLE void setDeclaration(QVariableDeclaration* _dec) { m_dec = _dec; }
+	/// Encode the current value in order to be used as function parameter.
+	virtual bytes encodeValue() = 0;
+	/// Decode the return value @a _rawValue.
+	virtual void decodeValue(dev::bytes const& _rawValue) = 0;
+
+protected:
+	QString m_value;
 
 private:
-	QString m_value;
 	QVariableDeclaration* m_dec;
 };
 
@@ -67,7 +79,77 @@ private:
 	QList<QVariableDefinition*> m_def;
 };
 
+class QIntType: public QVariableDefinition
+{
+	Q_OBJECT
+
+public:
+	QIntType() {}
+	QIntType(QVariableDeclaration* _def, QString _value): QVariableDefinition(_def, _value) {}
+	dev::bytes encodeValue() override;
+	void decodeValue(dev::bytes const& _rawValue) override;
+	/// @returns an instance of QBigInt for the current value.
+	QBigInt* toBigInt() { return new QBigInt(m_bigIntvalue); }
+	dev::bigint bigInt() { return m_bigIntvalue; }
+	void setValue(dev::bigint _value);
+
+private:
+	dev::bigint m_bigIntvalue;
+};
+
+class QRealType: public QVariableDefinition
+{
+	Q_OBJECT
+
+public:
+	QRealType() {}
+	QRealType(QVariableDeclaration* _def, QString _value): QVariableDefinition(_def, _value) {}
+	dev::bytes encodeValue() override;
+	void decodeValue(dev::bytes const& _rawValue) override;
+};
+
+class QStringType: public QVariableDefinition
+{
+	Q_OBJECT
+
+public:
+	QStringType() {}
+	QStringType(QVariableDeclaration* _def, QString _value): QVariableDefinition(_def, _value) {}
+	dev::bytes encodeValue() override;
+	void decodeValue(dev::bytes const& _rawValue) override;
+};
+
+class QHashType: public QVariableDefinition
+{
+	Q_OBJECT
+
+public:
+	QHashType() {}
+	QHashType(QVariableDeclaration* _def, QString _value): QVariableDefinition(_def, _value) {}
+	dev::bytes encodeValue() override;
+	void decodeValue(dev::bytes const& _rawValue) override;
+};
+
+class QBoolType: public QVariableDefinition
+{
+	Q_OBJECT
+
+public:
+	QBoolType() {}
+	QBoolType(QVariableDeclaration* _def, QString _value): QVariableDefinition(_def, _value) {}
+	dev::bytes encodeValue() override;
+	void decodeValue(dev::bytes const& _rawValue) override;
+	///  @returns the boolean value for the current definition.
+	bool toBool() { return m_boolValue; }
+
+private:
+	bool m_boolValue;
+};
+
 }
 }
 
-Q_DECLARE_METATYPE(dev::mix::QVariableDefinition*)
+Q_DECLARE_METATYPE(dev::mix::QIntType*)
+Q_DECLARE_METATYPE(dev::mix::QStringType*)
+Q_DECLARE_METATYPE(dev::mix::QHashType*)
+Q_DECLARE_METATYPE(dev::mix::QBoolType*)

mix/qml/QBoolType.qml

@@ -0,0 +1,7 @@
+import QtQuick 2.0
+import org.ethereum.qml.QBoolType 1.0
+
+QBoolType
+{
+}
+

mix/qml/QBoolTypeView.qml

@@ -0,0 +1,42 @@
+import QtQuick 2.0
+import QtQuick.Controls 1.3
+
+Item
+{
+	id: editRoot
+	property string text
+	property string defaultValue
+
+	Rectangle {
+		anchors.fill: parent
+		ComboBox
+		{
+			property bool inited: false
+			Component.onCompleted:
+			{
+				if (text === "")
+					currentIndex = parseInt(defaultValue);
+				else
+					currentIndex = parseInt(text);
+				inited = true
+			}
+
+			id: boolCombo
+			anchors.fill: parent
+			onCurrentIndexChanged:
+			{
+				if (inited)
+					text = comboModel.get(currentIndex).value;
+			}
+			model: ListModel
+			{
+				id: comboModel
+				ListElement { text: qsTr("False"); value: "0" }
+				ListElement { text: qsTr("True"); value: "1" }
+			}
+		}
+	}
+}
+
+
+

mix/qml/QHashType.qml

@@ -0,0 +1,7 @@
+import QtQuick 2.0
+import org.ethereum.qml.QHashType 1.0
+
+QHashType
+{
+}
+

mix/qml/QHashTypeView.qml

@@ -0,0 +1,22 @@
+import QtQuick 2.0
+
+Item
+{
+	property alias text: textinput.text
+	id: editRoot
+	Rectangle {
+		anchors.fill: parent
+		TextInput {
+			id: textinput
+			text: text
+			anchors.fill: parent
+			wrapMode: Text.WrapAnywhere
+			MouseArea {
+				id: mouseArea
+				anchors.fill: parent
+				hoverEnabled: true
+				onClicked: textinput.forceActiveFocus()
+			}
+		}
+	}
+}

mix/qml/QIntType.qml

@@ -0,0 +1,7 @@
+import QtQuick 2.0
+import org.ethereum.qml.QIntType 1.0
+
+QIntType
+{
+}
+

mix/qml/QIntTypeView.qml

@@ -0,0 +1,24 @@
+import QtQuick 2.0
+
+Item
+{
+	property alias text: textinput.text
+	id: editRoot
+	Rectangle {
+		anchors.fill: parent
+		TextInput {
+			id: textinput
+			text: text
+			anchors.fill: parent
+			MouseArea {
+				id: mouseArea
+				anchors.fill: parent
+				hoverEnabled: true
+				onClicked: textinput.forceActiveFocus()
+			}
+		}
+	}
+}
+
+
+

mix/qml/QRealType.qml

@@ -0,0 +1,7 @@
+import QtQuick 2.0
+import org.ethereum.qml.QRealType 1.0
+
+QRealType
+{
+}
+

mix/qml/QRealTypeView.qml

@@ -0,0 +1,15 @@
+import QtQuick 2.0
+
+Component
+{
+	Rectangle {
+		anchors.fill: parent
+		Text{
+			anchors.fill: parent
+			text: qsTr("Real")
+		}
+	}
+}
+
+
+

mix/qml/QStringType.qml

@@ -0,0 +1,7 @@
+import QtQuick 2.0
+import org.ethereum.qml.QStringType 1.0
+
+QStringType
+{
+}
+

mix/qml/QStringTypeView.qml

@@ -0,0 +1,25 @@
+import QtQuick 2.0
+
+Item
+{
+	property alias text: textinput.text
+	id: editRoot
+	Rectangle {
+		anchors.fill: parent
+		TextInput {
+			id: textinput
+			text: text
+			anchors.fill: parent
+			wrapMode: Text.WrapAnywhere
+			MouseArea {
+				id: mouseArea
+				anchors.fill: parent
+				hoverEnabled: true
+				onClicked: textinput.forceActiveFocus()
+			}
+		}
+	}
+}
+
+
+

mix/qml/QVariableDeclaration.qml

@@ -0,0 +1,7 @@
+import QtQuick 2.0
+import org.ethereum.qml.QVariableDeclaration 1.0
+
+QVariableDeclaration
+{
+}
+

mix/qml/QVariableDefinition.qml

@@ -0,0 +1,13 @@
+/*
+ * Used to instanciate a QVariableDefinition obj using Qt.createComponent function.
+*/
+import QtQuick 2.2
+import QtQuick.Controls 1.1
+import QtQuick.Layouts 1.1
+import QtQuick.Controls.Styles 1.1
+import org.ethereum.qml.QVariableDefinition 1.0
+
+QVariableDefinition
+{
+	id: qVariableDefinition
+}

mix/qml/StateListModel.qml

@@ -31,12 +31,30 @@ Item {
 			stdContract: t.stdContract,
 			parameters: {}
 		};
-		for (var key in t.parameters) {
+		var qType = [];
-			var intComponent = Qt.createComponent("qrc:/qml/BigIntValue.qml");
+		for (var key in t.parameters)
-			var param = intComponent.createObject();
+		{
-			param.setValue(t.parameters[key]);
+			r.parameters[key] = t.parameters[key].value;
-			r.parameters[key] = param;
+			var type = t.parameters[key].type;
-		}
+			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(stateListModel);
+			var dec = Qt.createComponent("qrc:/qml/QVariableDeclaration.qml");
+			param.setDeclaration(dec.createObject(stateListModel, { "type": type }));
+			param.setValue(r.parameters[key]);
+			qType.push(param);
+		}
+		r.qType = qType;
 		return r;
 	}
 
@@ -48,6 +66,16 @@ Item {
 		};
 	}
 
+	function getParamType(param, params)
+	{
+		for (var k in params)
+		{
+			if (params[k].declaration.name === param)
+				return params[k].declaration.type;
+		}
+		return '';
+	}
+
 	function toPlainTransactionItem(t) {
 		var r = {
 			functionId: t.functionId,
@@ -60,7 +88,14 @@ Item {
 			parameters: {}
 		};
 		for (var key in t.parameters)
-			r.parameters[key] = t.parameters[key].value();
+		{
+			var param = {
+				name: key,
+				value: t.parameters[key],
+				type: getParamType(key, t.qType)
+			}
+			r.parameters[key] = param;
+		}
 		return r;
 	}
 

mix/qml/TransactionDialog.qml

@@ -9,7 +9,7 @@ Window {
 	id: modalTransactionDialog
 	modality: Qt.WindowModal
 	width:640
-	height:480
+	height:640
 	visible: false
 
 	property int transactionIndex
@@ -21,10 +21,12 @@ Window {
 	property var itemParams;
 	property bool isConstructorTransaction;
 	property bool useTransactionDefaultValue: false
+	property var qType;
 
 	signal accepted;
 
 	function open(index, item) {
+		qType = [];
 		rowFunction.visible = !useTransactionDefaultValue;
 		rowValue.visible = !useTransactionDefaultValue;
 		rowGas.visible = !useTransactionDefaultValue;
@@ -68,6 +70,7 @@ Window {
 	}
 
 	function loadParameters() {
+		paramsModel.clear();
 		if (!paramsModel)
 			return;
 		if (functionComboBox.currentIndex >= 0 && functionComboBox.currentIndex < functionsModel.count) {
@@ -75,7 +78,27 @@ Window {
 			var parameters = func.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() : "" });
+				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 });
 			}
 		}
 	}
@@ -85,6 +108,15 @@ Window {
 		visible = false;
 	}
 
+	function qTypeParam(name)
+	{
+		for (var k in qType)
+		{
+			if (qType[k].name === name)
+				return qType[k].value;
+		}
+	}
+
 	function getItem()
 	{
 		var item;
@@ -109,14 +141,15 @@ Window {
 		if (isConstructorTransaction)
 			item.functionId = qsTr("Constructor");
 
+		var orderedQType = [];
 		for (var p = 0; p < transactionDialog.transactionParams.count; p++) {
 			var parameter = transactionDialog.transactionParams.get(p);
-			var intComponent = Qt.createComponent("qrc:/qml/BigIntValue.qml");
+			var qtypeParam = qTypeParam(parameter.name);
-			var param = intComponent.createObject(modalTransactionDialog);
+			qtypeParam.setValue(parameter.value);
-
+			orderedQType.push(qtypeParam);
-			param.setValue(parameter.value);
+			item.parameters[parameter.name] = parameter.value;
-			item.parameters[parameter.name] = param;
 		}
+		item.qType = orderedQType;
 		return item;
 	}
 
@@ -219,8 +252,10 @@ Window {
 			}
 			TableView {
 				model: paramsModel
-				Layout.fillWidth: true
+				Layout.preferredWidth: 120 * 2 + 240
-
+				Layout.minimumHeight: 150
+				Layout.preferredHeight: 400
+				Layout.maximumHeight: 600
 				TableViewColumn {
 					role: "name"
 					title: qsTr("Name")
@@ -234,12 +269,11 @@ Window {
 				TableViewColumn {
 					role: "value"
 					title: qsTr("Value")
-					width: 120
+					width: 240
 				}
 
-				itemDelegate: {
+				rowDelegate: rowDelegate
-					return editableDelegate;
+				itemDelegate: editableDelegate
-				}
 			}
 		}
 	}
@@ -268,19 +302,15 @@ Window {
 	}
 
 	Component {
-		id: editableDelegate
+		id: rowDelegate
 		Item {
-
+			height: 100
-			Text {
+		}
-				width: parent.width
-				anchors.margins: 4
-				anchors.left: parent.left
-				anchors.verticalCenter: parent.verticalCenter
-				elide: styleData.elideMode
-				text: styleData.value !== undefined ? styleData.value : ""
-				color: styleData.textColor
-				visible: !styleData.selected
 	}
+
+	Component {
+		id: editableDelegate
+		Item {
 			Loader {
 				id: loaderEditor
 				anchors.fill: parent
@@ -289,14 +319,87 @@ Window {
 					target: loaderEditor.item
 					onTextChanged: {
 						if (styleData.role === "value" && styleData.row < paramsModel.count)
-							paramsModel.setProperty(styleData.row, styleData.role, loaderEditor.item.text);
+							loaderEditor.updateValue(styleData.row, styleData.role, loaderEditor.item.text);
+					}
+				}
+
+				function updateValue(row, role, value)
+				{
+					paramsModel.setProperty(styleData.row, styleData.role, value);
+				}
+
+				sourceComponent:
+				{
+					if (styleData.role === "value")
+					{
+						if (paramsModel.get(styleData.row) === undefined)
+							return null;
+						if (paramsModel.get(styleData.row).type.indexOf("int") !== -1)
+							return intViewComp;
+						else if (paramsModel.get(styleData.row).type.indexOf("bool") !== -1)
+							return boolViewComp;
+						else if (paramsModel.get(styleData.row).type.indexOf("string") !== -1)
+							return stringViewComp;
+						else if (paramsModel.get(styleData.row).type.indexOf("hash") !== -1)
+							return hashViewComp;
+					}
+					else
+						return editor;
+				}
+
+				Component
+				{
+					id: intViewComp
+					QIntTypeView
+					{
+						id: intView
+						text: styleData.value
+					}
+				}
+
+				Component
+				{
+					id: boolViewComp
+					QBoolTypeView
+					{
+						id: boolView
+						defaultValue: "1"
+						Component.onCompleted:
+						{
+							loaderEditor.updateValue(styleData.row, styleData.role,
+													 (paramsModel.get(styleData.row).value === "" ? defaultValue :
+																									paramsModel.get(styleData.row).value));
+							text = (paramsModel.get(styleData.row).value === "" ? defaultValue : paramsModel.get(styleData.row).value);
 						}
 					}
-				sourceComponent: (styleData.selected) ? editor : null
+				}
+
+				Component
+				{
+					id: stringViewComp
+					QStringTypeView
+					{
+						id: stringView
+						text: styleData.value
+					}
+				}
+
+
+				Component
+				{
+					id: hashViewComp
+					QHashTypeView
+					{
+						id: hashView
+						text: styleData.value
+					}
+				}
+
 				Component {
 					id: editor
 					TextInput {
 						id: textinput
+						readOnly: true
 						color: styleData.textColor
 						text: styleData.value
 						MouseArea {

mix/res.qrc

@@ -42,9 +42,20 @@
         <file>qml/Ether.qml</file>
         <file>qml/EtherValue.qml</file>
         <file>qml/BigIntValue.qml</file>
+        <file>qml/QVariableDefinition.qml</file>
+        <file>qml/QBoolType.qml</file>
+        <file>qml/QHashType.qml</file>
+        <file>qml/QIntType.qml</file>
+        <file>qml/QRealType.qml</file>
         <file>qml/js/QEtherHelper.js</file>
         <file>qml/js/TransactionHelper.js</file>
         <file>qml/Splitter.qml</file>
+        <file>qml/QStringType.qml</file>
+        <file>qml/QBoolTypeView.qml</file>
+        <file>qml/QIntTypeView.qml</file>
+        <file>qml/QRealTypeView.qml</file>
+        <file>qml/QStringTypeView.qml</file>
+        <file>qml/QHashTypeView.qml</file>
         <file>qml/ContractLibrary.qml</file>
         <file>stdc/config.sol</file>
         <file>stdc/namereg.sol</file>
@@ -52,5 +63,6 @@
         <file>qml/TransactionLog.qml</file>
         <file>res/mix_256x256x32.png</file>
         <file>qml/CallStack.qml</file>
+        <file>qml/QVariableDeclaration.qml</file>
     </qresource>
 </RCC>