Static feature support.

src/cpp/ripple/Application.cpp

@@ -429,6 +429,8 @@ void Application::startNewLedger()
 	{
 		Ledger::pointer firstLedger = boost::make_shared<Ledger>(rootAddress, SYSTEM_CURRENCY_START);
 		assert(!!firstLedger->getAccountState(rootAddress));
+		// WRITEME: Add any default features
+		// WRITEME: Set default fee/reserve
 		firstLedger->updateHash();
 		firstLedger->setClosed();
 		firstLedger->setAccepted();

src/cpp/ripple/FeatureTable.cpp

@@ -3,11 +3,11 @@ SETUP_LOG (FeatureTable)
 
 void FeatureTable::addInitialFeatures()
 {
-	// For each feature this version supports, call enableFeature.
-	// Permanent vetos can also be added here.
+	// For each feature this version supports, construct the FeatureState object by calling
+	// getCreateFeature. Set any vetoes or defaults. A pointer to the FeatureState can be stashed
 }
 
-FeatureTable::FeatureState* FeatureTable::getCreateFeature(const uint256& featureHash, bool create)
+FeatureState* FeatureTable::getCreateFeature(const uint256& featureHash, bool create)
 { // call with the mutex held
 	featureMap_t::iterator it = mFeatureMap.find(featureHash);
 	if (it == mFeatureMap.end())

src/cpp/ripple/FeatureTable.h

@@ -18,22 +18,30 @@ public:
 	void addVote(const uint256& feature)	{ ++mVotes[feature]; }
 };
 
-class FeatureTable
+class FeatureState
 {
-protected:
-
-	class FeatureState
-	{
-	public:
+public:
+	uint256	mHash;				// Feature hash
 	bool	mVetoed;			// We don't want this feature enabled
 	bool	mEnabled;
 	bool	mSupported;
+	bool	mDefault;			// Include in genesis ledger
 
 	uint32	mFirstMajority;		// First time we saw a majority (close time)
 	uint32	mLastMajority;		// Most recent time we saw a majority (close time)
 
-		FeatureState() : mVetoed(false), mEnabled(false), mSupported(false), mFirstMajority(0), mLastMajority(0) { ; }
-	};
+	FeatureState()
+		: mVetoed(false), mEnabled(false), mSupported(false), mDefault(false),
+		mFirstMajority(0), mLastMajority(0)	{ ; }
+
+	void setVeto()							{ mVetoed = true; }
+	void setDefault()						{ mDefault = true; }
+};
+
+
+class FeatureTable
+{
+protected:
 
 	typedef boost::unordered_map<uint256, FeatureState> featureMap_t;
 	typedef std::pair<const uint256, FeatureState> featureIt_t;