Begin the infrastructure for putting fees in the ledger.

src/cpp/ripple/LedgerFormats.cpp

@@ -103,6 +103,13 @@ static bool LEFInit()
 		<< SOElement(sfFeatures, SOE_REQUIRED)
 		;
 
+	DECLARE_LEF(FeeSettings, ltFEE_SETTINGS)
+		<< SOElement(sfBaseFee,				SOE_REQUIRED)
+		<< SOElement(sfReferenceFeeUnits,	SOE_REQUIRED)
+		<< SOElement(sfReserveBase,			SOE_REQUIRED)
+		<< SOElement(sfReserveIncrement,	SOE_REQUIRED)
+		;
+
 		return true;
 }
 

src/cpp/ripple/LedgerFormats.h

@@ -16,6 +16,7 @@ enum LedgerEntryType
 	ltCONTRACT			= 'c',
 	ltLEDGER_HASHES		= 'h',
 	ltFEATURES			= 'f',
+	ltFEE_SETTINGS		= 's',
 };
 
 // Used as a prefix for computing ledger indexes (keys).
@@ -32,6 +33,7 @@ enum LedgerNameSpace
 	spaceContract		= 'c',
 	spaceSkipList		= 's',
 	spaceFeature		= 'f',
+	spaceFee			= 's',
 };
 
 enum LedgerSpecificFlags

src/cpp/ripple/SerializeProto.h

@@ -60,6 +60,9 @@
 	FIELD(LastLedgerSequence,	UINT32, 27)
 	FIELD(TransactionIndex,		UINT32, 28)
 	FIELD(OperationLimit,		UINT32, 29)
+	FIELD(ReferenceFeeUnits,	UINT32, 30)
+	FIELD(ReserveBase,			UINT32, 31)
+	FIELD(ReserveIncrement,		UINT32, 32)
 
 	// 64-bit integers
 	FIELD(IndexNext,			UINT64, 1)
@@ -69,6 +72,7 @@
 	FIELD(BaseFee,				UINT64, 5)
 	FIELD(ExchangeRate,			UINT64, 6)
 
+
 	// 128-bit
 	FIELD(EmailHash,			HASH128, 1)
 

src/cpp/ripple/TransactionFormats.cpp

@@ -76,6 +76,14 @@ static bool TFInit()
 		<< SOElement(sfFeature,			SOE_REQUIRED)
 		;
 
+	DECLARE_TF(SetFee, ttFEE)
+		<< SOElement(sfFeatures,			SOE_REQUIRED)
+		<< SOElement(sfBaseFee,				SOE_REQUIRED)
+		<< SOElement(sfReferenceFeeUnits,	SOE_REQUIRED)
+		<< SOElement(sfReserveBase,			SOE_REQUIRED)
+		<< SOElement(sfReserveIncrement,	SOE_REQUIRED)
+     ;
+
 	return true;
 }
 

src/cpp/ripple/TransactionFormats.h

@@ -6,6 +6,7 @@
 enum TransactionType
 {
 	ttINVALID			= -1,
+
 	ttPAYMENT			= 0,
 	ttCLAIM				= 1, // open
 	ttWALLET_ADD		= 2,
@@ -21,6 +22,7 @@ enum TransactionType
 	ttTRUST_SET		= 20,
 
 	ttFEATURE		= 100,
+	ttFEE			= 101,
 };
 
 class TransactionFormat