RPC infrastructure for feature management.

src/cpp/ripple/CallRPC.cpp

@@ -310,6 +310,20 @@ Json::Value RPCParser::parseEvented(const Json::Value& jvParams)
 	return rpcError(rpcNO_EVENTS);
 }
 
+// feature [<feature>] [true|false]
+Json::Value RPCParser::parseFeature(const Json::Value& jvParams)
+{
+	Json::Value		jvRequest(Json::objectValue);
+
+	if (jvParams.size() > 0)
+		jvRequest["feature"]	= jvParams[0u].asString();
+
+	if (jvParams.size() > 1)
+		jvRequest["vote"]		= boost::lexical_cast<bool>(jvParams[1u].asString());
+
+	return jvRequest;
+}
+
 // get_counts [<min_count>]
 Json::Value RPCParser::parseGetCounts(const Json::Value& jvParams)
 {
@@ -733,6 +747,7 @@ Json::Value RPCParser::parseCommand(std::string strMethod, Json::Value jvParams)
 		{	"book_offers",			&RPCParser::parseBookOffers,			2,  7	},
 		{	"connect",				&RPCParser::parseConnect,				1,  2	},
 		{	"consensus_info",		&RPCParser::parseAsIs,					0,	0	},
+		{	"feature",				&RPCParser::parseFeature,				0,	2	},
 		{	"get_counts",			&RPCParser::parseGetCounts,				0,	1	},
 		{	"json",					&RPCParser::parseJson,					2,  2	},
 		{	"ledger",				&RPCParser::parseLedger,				0,  2	},

src/cpp/ripple/CallRPC.h

@@ -22,6 +22,7 @@ protected:
 	Json::Value parseDataStore(const Json::Value& jvParams);
 #endif
 	Json::Value parseEvented(const Json::Value& jvParams);
+	Json::Value parseFeature(const Json::Value& jvParams);
 	Json::Value parseGetCounts(const Json::Value& jvParams);
 	Json::Value parseInternal(const Json::Value& jvParams);
 	Json::Value parseJson(const Json::Value& jvParams);

src/cpp/ripple/FeatureTable.cpp

@@ -1,10 +1,14 @@
 
 SETUP_LOG (FeatureTable)
 
+FeatureState* testFeature = NULL;
+
 void FeatureTable::addInitialFeatures()
 {
 	// 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
+
+	testFeature = getCreateFeature(uint256("1234"), true);
 }
 
 FeatureState* FeatureTable::getCreateFeature(const uint256& featureHash, bool create)

src/cpp/ripple/RPCHandler.cpp

@@ -2263,6 +2263,24 @@ static void textTime(std::string& text, int& seconds, const char *unitName, int
 		text += "s";
 }
 
+Json::Value RPCHandler::doFeature(Json::Value jvRequest, int& cost, ScopedLock& mlh)
+{
+	if (!jvRequest.isMember("feature"))
+	{
+		Json::Value jvReply = Json::objectValue;
+		jvReply["features"] = theApp->getFeatureTable().getJson(0);
+		return jvReply;
+	}
+
+	if (!jvRequest.isMember("vote"))
+	{
+		// WRITEME
+	}
+
+	// WRITEME
+	return rpcError(rpcNOT_SUPPORTED);
+}
+
 // {
 //   min_count: <number>  // optional, defaults to 10
 // }
@@ -3469,6 +3487,7 @@ Json::Value RPCHandler::doCommand(const Json::Value& jvRequest, int iRole, int &
 		{	"consensus_info",		&RPCHandler::doConsensusInfo,	    true,	optNone		},
 		{	"get_counts",			&RPCHandler::doGetCounts,		    true,	optNone		},
 		{	"internal",				&RPCHandler::doInternal,			true,	optNone		},
+		{	"feature",				&RPCHandler::doFeature,				true,	optNone		},
 		{	"ledger",				&RPCHandler::doLedger,			    false,	optNetwork	},
 		{	"ledger_accept",		&RPCHandler::doLedgerAccept,	    true,	optCurrent	},
 		{	"ledger_closed",		&RPCHandler::doLedgerClosed,	    false,	optClosed	},

src/cpp/ripple/RPCHandler.h

@@ -57,6 +57,7 @@ class RPCHandler
 	Json::Value doDataFetch(Json::Value params, int& cost, ScopedLock& mlh);
 	Json::Value doDataStore(Json::Value params, int& cost, ScopedLock& mlh);
 #endif
+	Json::Value doFeature(Json::Value params, int& cost, ScopedLock& mlh);
 	Json::Value doGetCounts(Json::Value params, int& cost, ScopedLock& mlh);
 	Json::Value doInternal(Json::Value params, int& cost, ScopedLock& mlh);
 	Json::Value doLedger(Json::Value params, int& cost, ScopedLock& mlh);