diff --git a/src/SerializedObject.cpp b/src/SerializedObject.cpp
index aef0f9cf75..c2cf3c2678 100644
--- a/src/SerializedObject.cpp
+++ b/src/SerializedObject.cpp
@@ -429,6 +429,17 @@ std::vector<TaggedListItem> STObject::getValueFieldTL(SOE_Field field) const
 	return cf->getValue();
 }
 
+STAmount STObject::getValueFieldAmount(SOE_Field field) const
+{
+	const SerializedType* rf = peekAtPField(field);
+	if (!rf) throw std::runtime_error("Field not found");
+	SerializedTypeID id = rf->getSType();
+	if (id == STI_NOTPRESENT) return STAmount(); // optional field not present
+	const STAmount *cf = dynamic_cast<const STAmount *>(rf);
+	if (!cf) throw std::runtime_error("Wrong field type");
+	return *cf;
+}
+
 void STObject::setValueFieldU8(SOE_Field field, unsigned char v)
 {
 	SerializedType* rf = getPField(field);
@@ -519,6 +530,16 @@ void STObject::setValueFieldTL(SOE_Field field, const std::vector<TaggedListItem
 	cf->setValue(v);
 }
 
+void STObject::setValueFieldAmount(SOE_Field field, const STAmount &v)
+{
+	SerializedType* rf = getPField(field);
+	if (!rf) throw std::runtime_error("Field not found");
+	if (rf->getSType() == STI_NOTPRESENT) rf = makeFieldPresent(field);
+	STAmount* cf = dynamic_cast<STAmount*>(rf);
+	if (!cf) throw std::runtime_error("Wrong field type");
+	(*cf) = v;
+}
+
 Json::Value STObject::getJson(int options) const
 {
 	Json::Value ret(Json::objectValue);
diff --git a/src/SerializedObject.h b/src/SerializedObject.h
index 88e5d902fc..9a28151717 100644
--- a/src/SerializedObject.h
+++ b/src/SerializedObject.h
@@ -145,6 +145,7 @@ public:
 	NewcoinAddress getValueFieldAccount(SOE_Field field) const;
 	std::vector<unsigned char> getValueFieldVL(SOE_Field field) const;
 	std::vector<TaggedListItem> getValueFieldTL(SOE_Field field) const;
+	STAmount getValueFieldAmount(SOE_Field field) const;
 
 	void setValueFieldU8(SOE_Field field, unsigned char);
 	void setValueFieldU16(SOE_Field field, uint16);
@@ -157,6 +158,7 @@ public:
 	void setValueFieldAccount(SOE_Field field, const uint160&);
 	void setValueFieldAccount(SOE_Field field, const NewcoinAddress& addr)
 	{ setValueFieldAccount(field, addr.getAccountID()); }
+	void setValueFieldAmount(SOE_Field field, const STAmount&);
 
 	bool isFieldPresent(SOE_Field field) const;
 	SerializedType* makeFieldPresent(SOE_Field field);
diff --git a/src/SerializedTransaction.h b/src/SerializedTransaction.h
index ff30e63e04..587387e733 100644
--- a/src/SerializedTransaction.h
+++ b/src/SerializedTransaction.h
@@ -84,6 +84,7 @@ public:
 	uint256 getITFieldH256(SOE_Field field) const { return mInnerTxn.getValueFieldH256(field); }
 	std::vector<unsigned char> getITFieldVL(SOE_Field field) const { return mInnerTxn.getValueFieldVL(field); }
 	std::vector<TaggedListItem> getITFieldTL(SOE_Field field) const { return mInnerTxn.getValueFieldTL(field); }
+	STAmount getITFieldAmount(SOE_Field field) const { return mInnerTxn.getValueFieldAmount(field); }
 	void setITFieldU8(SOE_Field field, unsigned char v) { return mInnerTxn.setValueFieldU8(field, v); }
 	void setITFieldU16(SOE_Field field, uint16 v) { return mInnerTxn.setValueFieldU16(field, v); }
 	void setITFieldU32(SOE_Field field, uint32 v) { return mInnerTxn.setValueFieldU32(field, v); }
@@ -98,6 +99,8 @@ public:
 		{ return mInnerTxn.setValueFieldAccount(field, v); }
 	void setITFieldAccount(SOE_Field field, const NewcoinAddress& v)
 		{ return mInnerTxn.setValueFieldAccount(field, v); }
+	void setITFieldAmount(SOE_Field field, const STAmount& v)
+		{ return mInnerTxn.setValueFieldAmount(field, v); }
 
 	// optional field functions
 	bool getITFieldPresent(SOE_Field field) const;