diff --git a/src/LedgerFormats.cpp b/src/LedgerFormats.cpp
index 9f0ed403a..56c8a39a2 100644
--- a/src/LedgerFormats.cpp
+++ b/src/LedgerFormats.cpp
@@ -89,13 +89,18 @@ LedgerEntryFormat* getLgrFormat(LedgerEntryType t)
 
 LedgerEntryFormat* getLgrFormat(int t)
 {
-	LedgerEntryFormat* f = LedgerFormats;
-	while (f->t_name != NULL)
-	{
+	for (LedgerEntryFormat* f = LedgerFormats; f->t_name != NULL; ++f)
 		if (f->t_type == t)
 			return f;
-		++f;
-	}
 	return NULL;
 }
+
+LedgerEntryFormat* getLgrFormat(const std::string& t)
+{
+	for (LedgerEntryFormat* f = LedgerFormats; f->t_name != NULL; ++f)
+		if (t == f->t_name)
+			return f;
+	return NULL;
+}
+
 // vim:ts=4
diff --git a/src/LedgerFormats.h b/src/LedgerFormats.h
index 7b4a95683..348116880 100644
--- a/src/LedgerFormats.h
+++ b/src/LedgerFormats.h
@@ -48,6 +48,7 @@ struct LedgerEntryFormat
 
 extern LedgerEntryFormat LedgerFormats[];
 extern LedgerEntryFormat* getLgrFormat(LedgerEntryType t);
+extern LedgerEntryFormat* getLgrFormat(const std::string& t);
 extern LedgerEntryFormat* getLgrFormat(int t);
 #endif
 // vim:ts=4
diff --git a/src/SerializedObject.cpp b/src/SerializedObject.cpp
index a217c0268..7584d53dc 100644
--- a/src/SerializedObject.cpp
+++ b/src/SerializedObject.cpp
@@ -8,6 +8,8 @@
 #include "../json/writer.h"
 
 #include "Log.h"
+#include "LedgerFormats.h"
+#include "TransactionFormats.h"
 
 std::auto_ptr<SerializedType> STObject::makeDefaultObject(SerializedTypeID id, SField::ref name)
 {
@@ -813,21 +815,23 @@ STArray* STArray::construct(SerializerIterator& sit, SField::ref field)
 	return new STArray(field, value);
 }
 
-std::auto_ptr<STObject> STObject::parseJson(const Json::Value& object, SField::ref name, int depth)
+std::auto_ptr<STObject> STObject::parseJson(const Json::Value& object, SField::ref inName, int depth)
 {
 	if (!object.isObject())
 		throw std::runtime_error("Value is not an object");
 
+	SField::ptr name = &inName;
+
 	boost::ptr_vector<SerializedType> data;
 	Json::Value::Members members(object.getMemberNames());
 	for (Json::Value::Members::iterator it = members.begin(), end = members.end(); it != end; ++it)
 	{
-		const std::string& name = *it;
-		const Json::Value& value = object[name];
+		const std::string& fieldName = *it;
+		const Json::Value& value = object[fieldName];
 
-		SField::ref field = SField::getField(name);
+		SField::ref field = SField::getField(fieldName);
 		if (field == sfInvalid)
-			throw std::runtime_error("Unknown field: " + name);
+			throw std::runtime_error("Unknown field: " + fieldName);
 
 		switch (field.fieldType)
 		{
@@ -846,20 +850,31 @@ std::auto_ptr<STObject> STObject::parseJson(const Json::Value& object, SField::r
 				if (value.isString())
 				{
 					std::string strValue = value.asString();
-					if (!strValue.empty() && (strValue[0]<'0' || strValue[0]>'9'))
+					if (!strValue.empty() && ((strValue[0] < '0') || (strValue[0] > '9')))
 					{
 						if (field == sfTransactionType)
 						{
-							// WRITEME
+							TransactionFormat* f = getTxnFormat(strValue);
+							if (!f)
+								throw std::runtime_error("Unknown transaction type");
+							data.push_back(new STUInt16(field, static_cast<uint16>(f->t_type)));
+							if (*name == sfGeneric)
+								name = &sfTransaction;
 						}
 						else if (field == sfLedgerEntryType)
 						{
-							// WRITEME
+							LedgerEntryFormat* f = getLgrFormat(strValue);
+							if (!f)
+								throw std::runtime_error("Unknown ledger entry type");
+							data.push_back(new STUInt16(field, static_cast<uint16>(f->t_type)));
+							if (*name == sfGeneric)
+								name = &sfLedgerEntry;
 						}
 						else
 							throw std::runtime_error("Invalid field data");
 					}
-					data.push_back(new STUInt16(field, boost::lexical_cast<uint16>(strValue)));
+					else
+						data.push_back(new STUInt16(field, boost::lexical_cast<uint16>(strValue)));
 				}
 				else if (value.isInt())
 					data.push_back(new STUInt16(field, boost::lexical_cast<uint16>(value.asInt())));
@@ -893,13 +908,25 @@ std::auto_ptr<STObject> STObject::parseJson(const Json::Value& object, SField::r
 
 
 			case STI_HASH128:
-				// WRITEME
+				if (value.isString())
+					data.push_back(new STHash128(field, value.asString()));
+				else
+					throw std::runtime_error("Incorrect type");
+				break;
 
 			case STI_HASH160:
-				// WRITEME
+				if (value.isString())
+					data.push_back(new STHash160(field, value.asString()));
+				else
+					throw std::runtime_error("Incorrect type");
+				break;
 
 			case STI_HASH256:
-				// WRITEME
+				if (value.isString())
+					data.push_back(new STHash256(field, value.asString()));
+				else
+					throw std::runtime_error("Incorrect type");
+				break;
 
 			case STI_VL:
 				// WRITEME
@@ -932,7 +959,7 @@ std::auto_ptr<STObject> STObject::parseJson(const Json::Value& object, SField::r
 				throw std::runtime_error("Invalid field type");
 		}
 	}
-	return std::auto_ptr<STObject>(new STObject(name, data));
+	return std::auto_ptr<STObject>(new STObject(*name, data));
 }
 
 #if 0
diff --git a/src/SerializedObject.h b/src/SerializedObject.h
index a60a3efba..5255c463e 100644
--- a/src/SerializedObject.h
+++ b/src/SerializedObject.h
@@ -41,7 +41,7 @@ public:
 	STObject(SOElement::ptrList type, SerializerIterator& sit, SField::ref name) : SerializedType(name)
 	{ set(sit); setType(type); }
 
-	static std::auto_ptr<STObject> parseJson(const Json::Value& value, SField::ref name, int depth = 0);
+	static std::auto_ptr<STObject> parseJson(const Json::Value& value, SField::ref name = sfGeneric, int depth = 0);
 
 	virtual ~STObject() { ; }
 
diff --git a/src/SerializedTypes.h b/src/SerializedTypes.h
index 246e4cde1..046c39e52 100644
--- a/src/SerializedTypes.h
+++ b/src/SerializedTypes.h
@@ -377,6 +377,8 @@ public:
 
 	STHash128(const uint128& v) : value(v) { ; }
 	STHash128(SField::ref n, const uint128& v) : SerializedType(n), value(v) { ; }
+	STHash128(SField::ref n, const char *v) : SerializedType(n) { value.SetHex(v); }
+	STHash128(SField::ref n, const std::string &v) : SerializedType(n) { value.SetHex(v); }
 	STHash128(SField::ref n) : SerializedType(n) { ; }
 	STHash128() { ; }
 	static std::auto_ptr<SerializedType> deserialize(SerializerIterator& sit, SField::ref name)
@@ -405,6 +407,8 @@ public:
 
 	STHash160(const uint160& v) : value(v) { ; }
 	STHash160(SField::ref n, const uint160& v) : SerializedType(n), value(v) { ; }
+	STHash160(SField::ref n, const char *v) : SerializedType(n) { value.SetHex(v); }
+	STHash160(SField::ref n, const std::string &v) : SerializedType(n) { value.SetHex(v); }
 	STHash160(SField::ref n) : SerializedType(n) { ; }
 	STHash160() { ; }
 	static std::auto_ptr<SerializedType> deserialize(SerializerIterator& sit, SField::ref name)
@@ -433,6 +437,8 @@ public:
 
 	STHash256(const uint256& v) : value(v) { ; }
 	STHash256(SField::ref n, const uint256& v) : SerializedType(n), value(v) { ; }
+	STHash256(SField::ref n, const char *v) : SerializedType(n) { value.SetHex(v); }
+	STHash256(SField::ref n, const std::string &v) : SerializedType(n) { value.SetHex(v); }
 	STHash256(SField::ref n) : SerializedType(n) { ; }
 	STHash256() { ; }
 	static std::auto_ptr<SerializedType> deserialize(SerializerIterator& sit, SField::ref name)
diff --git a/src/TransactionFormats.cpp b/src/TransactionFormats.cpp
index cebc37a49..12d614de2 100644
--- a/src/TransactionFormats.cpp
+++ b/src/TransactionFormats.cpp
@@ -10,7 +10,7 @@
 		{	sfSigningPubKey,	SOE_REQUIRED }, \
 		{	sfTxnSignature,		SOE_OPTIONAL },
 
-TransactionFormat	InnerTxnFormats[]=
+TransactionFormat TxnFormats[]=
 {
 	{	"AccountSet", ttACCOUNT_SET, { TF_BASE
 		{	sfEmailHash,		SOE_OPTIONAL },
@@ -30,7 +30,7 @@ TransactionFormat	InnerTxnFormats[]=
 	 },
 	{	"CreditSet", ttCREDIT_SET, { TF_BASE
 		{	sfLimitAmount,		SOE_OPTIONAL },
-		{	sfQualityIn,		SOE_OPTIONAL },
+ 		{	sfQualityIn,		SOE_OPTIONAL },
 		{	sfQualityOut,		SOE_OPTIONAL },
 		{	sfInvalid,			SOE_END } }
 	 },
@@ -107,13 +107,18 @@ TransactionFormat* getTxnFormat(TransactionType	t)
 
 TransactionFormat* getTxnFormat(int t)
 {
-	TransactionFormat* f = InnerTxnFormats;
-	while (f->t_name != NULL)
-	{
-		if (f->t_type == t)
+	for (TransactionFormat* f = TxnFormats; f->t_name != NULL; ++f)
+		if (t == f->t_type)
 			return f;
-		++f;
- }
 	return NULL;
 }
+
+TransactionFormat* getTxnFormat(const std::string& format)
+{
+	for (TransactionFormat* f = TxnFormats; f->t_name != NULL; ++f)
+		if (format == f->t_name)
+			return f;
+	return NULL;
+}
+
 //	vim:ts=4
diff --git a/src/TransactionFormats.h b/src/TransactionFormats.h
index 57b155285..dd385bad5 100644
--- a/src/TransactionFormats.h
+++ b/src/TransactionFormats.h
@@ -44,8 +44,9 @@ const uint32 tfPartialPayment		= 0x00020000;
 const uint32 tfLimitQuality			= 0x00040000;
 const uint32 tfNoRippleDirect		= 0x00080000;
 
-extern TransactionFormat InnerTxnFormats[];
+extern TransactionFormat TxnFormats[];
 extern TransactionFormat* getTxnFormat(TransactionType t);
+extern TransactionFormat* getTxnFormat(const std::string& t);
 extern TransactionFormat* getTxnFormat(int t);
 #endif
 // vim:ts=4