diff --git a/src/SerializedObject.h b/src/SerializedObject.h
index abc42c42c..e6245853f 100644
--- a/src/SerializedObject.h
+++ b/src/SerializedObject.h
@@ -37,9 +37,9 @@ public:
 	SerializedTypeID getType() const { return STI_OBJECT; }
 	STUObject* duplicate() const { return new STUObject(*this); }
 
-	std::vector<unsigned char> serialize() const;
+	void add(Serializer& s) const;
 	std::string getText() const;
-	std::string getSQL() const;
+
 
 	void addObject(const SerializedType& t) { data.push_back(t.duplicate()); }
 	void giveObject(SerializedType* t) { data.push_back(t); }
diff --git a/src/SerializedTypes.cpp b/src/SerializedTypes.cpp
index 793192e19..fa9b23a28 100644
--- a/src/SerializedTypes.cpp
+++ b/src/SerializedTypes.cpp
@@ -83,10 +83,15 @@ STUVariableLength* STUVariableLength::construct(SerializerIterator& u)
 	return new STUVariableLength(u.getVL());
 }
 
+int STUVariableLength::getLength() const
+{
+	return Serializer::encodeLengthLength(value.size()) + value.size();
+}
+
 std::string STUTaggedList::getText() const
 {
 	std::string ret;
-	for(std::list<TaggedListItem>::const_iterator it=value.begin(); it!=value.end(); ++it)
+	for(std::vector<TaggedListItem>::const_iterator it=value.begin(); it!=value.end(); ++it)
 	{
 		ret+=boost::lexical_cast<std::string>(it->first);
 		ret+=",";
@@ -99,3 +104,10 @@ STUTaggedList* STUTaggedList::construct(SerializerIterator& u)
 {
 	return new STUTaggedList(u.getTaggedList());
 }
+
+int STUTaggedList::getLength() const
+{
+	int ret=Serializer::getTaggedListLength(value);
+	if(ret<0) throw(0);
+	return ret;
+}
diff --git a/src/SerializedTypes.h b/src/SerializedTypes.h
index e9280e5fc..3fe912600 100644
--- a/src/SerializedTypes.h
+++ b/src/SerializedTypes.h
@@ -202,11 +202,11 @@ public:
 class STUTaggedList
 {
 protected:
-	std::list<TaggedListItem> value;
+	std::vector<TaggedListItem> value;
 
 public:
 
-	STUTaggedList(const std::list<TaggedListItem>& v) : value(v) { ; }
+	STUTaggedList(const std::vector<TaggedListItem>& v) : value(v) { ; }
 	STUTaggedList() { ; }
 	static STUTaggedList* construct(SerializerIterator&);
 
@@ -214,13 +214,13 @@ public:
 	SerializedTypeID getType() const { return STI_TL; }
 	STUTaggedList *duplicate() const { return new STUTaggedList(value); }
 	std::string getText() const;
-	virtual void add(Serializer& s) const { s.addTaggedList(value); }
+	virtual void add(Serializer& s) const { if(s.addTaggedList(value)<0) throw(0); }
 
-	const std::list<TaggedListItem>& peekValue() const { return value; }
-	std::list<TaggedListItem>& peekValue() { return value; }
-	std::list<TaggedListItem> getValue() const { return value; }
+	const std::vector<TaggedListItem>& peekValue() const { return value; }
+	std::vector<TaggedListItem>& peekValue() { return value; }
+	std::vector<TaggedListItem> getValue() const { return value; }
 
-	void setValue(std::list<TaggedListItem>& v) { value=v; }
+	void setValue(std::vector<TaggedListItem>& v) { value=v; }
 
 	int getItemCount() const { return value.size(); }
 	bool isEmpty() const { return value.empty(); }
@@ -228,8 +228,8 @@ public:
 	void clear() { value.erase(value.begin(), value.end()); }
 	void addItem(const TaggedListItem& v) { value.push_back(v); }
 
-	operator std::list<TaggedListItem>() const { return value; }
-	STUTaggedList& operator=(const std::list<TaggedListItem>& v) { value=v; return *this; }
+	operator std::vector<TaggedListItem>() const { return value; }
+	STUTaggedList& operator=(const std::vector<TaggedListItem>& v) { value=v; return *this; }
 };
 
 #endif
diff --git a/src/Serializer.cpp b/src/Serializer.cpp
index 9d7351e95..645243a30 100644
--- a/src/Serializer.cpp
+++ b/src/Serializer.cpp
@@ -271,6 +271,28 @@ int Serializer::addTaggedList(const std::vector<TaggedListItem>& list)
 	return ret;
 }
 
+int Serializer::getTaggedListLength(const std::list<TaggedListItem>& list)
+{
+	int size=list.size();
+	if(size>255) return -1;
+	int ret=1;
+	if(size!=0)
+		for(std::list<TaggedListItem>::const_iterator it=list.begin(); it!=list.end(); ++it)
+			ret+=1 + it->second.size() + Serializer::encodeLengthLength(it->second.size());
+	return ret;
+}
+
+int Serializer::getTaggedListLength(const std::vector<TaggedListItem>& list)
+{
+	int size=list.size();
+	if(size>255) return -1;
+	int ret=1;
+	if(size!=0)
+		for(std::vector<TaggedListItem>::const_iterator it=list.begin(); it!=list.end(); ++it)
+			ret+=1 + it->second.size() + Serializer::encodeLengthLength(it->second.size());
+	return ret;
+}
+
 bool Serializer::getVL(std::vector<unsigned char>& objectVL, int offset, int& length) const
 {
 	int b1;
@@ -355,6 +377,25 @@ bool Serializer::getTaggedList(std::list<TaggedListItem>& list, int offset, int&
 	return true;
 }
 
+bool Serializer::getTaggedList(std::vector<TaggedListItem>& list, int offset, int& length) const
+{
+	list.clear();
+	int startOffset=offset;
+	int numElem;
+	if(!get8(numElem, offset++)) return false;
+	for(int i=0; i<numElem; i++)
+	{
+		int tag, len;
+		std::vector<unsigned char> data;
+		if(!get8(tag, offset++)) return false;
+		if(!getVL(data, offset, len)) return false;
+		offset+=len;
+		list.push_back(std::make_pair(tag, data));
+	}
+	length=offset-startOffset;
+	return true;
+}
+
 std::vector<unsigned char> Serializer::encodeVL(int length) throw()
 {
 	unsigned char lenBytes[4];
@@ -381,7 +422,7 @@ std::vector<unsigned char> Serializer::encodeVL(int length) throw()
 	else throw(std::overflow_error("lenlen"));
 }
 
-int encodeLengthLength(int length) throw()
+int Serializer::encodeLengthLength(int length) throw()
 {
 	if(length<0) throw(std::overflow_error("len<0"));
 	if(length<=192) return 1;
@@ -487,10 +528,10 @@ std::vector<unsigned char> SerializerIterator::getVL() throw()
 	return vl;
 }
 
-std::list<TaggedListItem> SerializerIterator::getTaggedList() throw()
+std::vector<TaggedListItem> SerializerIterator::getTaggedList() throw()
 {
 	int length;
-	std::list<TaggedListItem> tl;
+	std::vector<TaggedListItem> tl;
 	if(!mSerializer.getTaggedList(tl, mPos, length)) throw(0);
 	mPos+=length;
 	return tl;
diff --git a/src/Serializer.h b/src/Serializer.h
index 702be674f..8e7da2c22 100644
--- a/src/Serializer.h
+++ b/src/Serializer.h
@@ -39,6 +39,8 @@ class Serializer
 	int addVL(const void *ptr, int len);
 	int addTaggedList(const std::list<TaggedListItem>&);
 	int addTaggedList(const std::vector<TaggedListItem>&);
+	static int getTaggedListLength(const std::list<TaggedListItem>&);
+	static int getTaggedListLength(const std::vector<TaggedListItem>&);
 
 	// disassemble functions
 	bool get8(int&, int offset) const;
@@ -54,7 +56,8 @@ class Serializer
 
 	bool getVL(std::vector<unsigned char>& objectVL, int offset, int& length) const;
 	bool getVLLength(int& length, int offset) const;
-	bool getTaggedList(std::list<TaggedListItem>&, int offset, int& legnth) const;
+	bool getTaggedList(std::list<TaggedListItem>&, int offset, int& length) const;
+	bool getTaggedList(std::vector<TaggedListItem>&, int offset, int& length) const;
 
 
 	// hash functions
@@ -84,7 +87,7 @@ class Serializer
 
 	// low-level VL length encode/decode functions
 	static std::vector<unsigned char> encodeVL(int length) throw();
-	static int encodeLengthLength(int length) throw();
+	static int encodeLengthLength(int length) throw(); // length to encode length
 	static int decodeLengthLength(int b1) throw();
 	static int decodeVLLength(int b1) throw();
 	static int decodeVLLength(int b1, int b2) throw();
@@ -117,7 +120,7 @@ public:
 	uint256 get256() throw();
 
 	std::vector<unsigned char> getVL() throw();
-	std::list<TaggedListItem> getTaggedList() throw();
+	std::vector<TaggedListItem> getTaggedList() throw();
 };
 
 #endif