disable orders endpoint, add flag to disable gpa refresh

src/index.ts

@@ -46,6 +46,7 @@ import {
 	sleep,
 	validateDlobQuery,
 } from './utils/utils';
+import FEATURE_FLAGS from './utils/featureFlags';
 import {
 	DLOBProvider,
 	getDLOBProviderFromOrderSubscriber,
@@ -174,7 +175,7 @@ const main = async () => {
 	const clearingHousePublicKey = new PublicKey(sdkConfig.DRIFT_PROGRAM_ID);
 
 	const connection = new Connection(endpoint, {
-		wsEndpoint: wsEndpoint,
+		wsEndpoint,
 		commitment: stateCommitment,
 	});
 
@@ -274,7 +275,8 @@ const main = async () => {
 		`dlob provider initialized in ${Date.now() - initDLOBProviderStart} ms`
 	);
 	logger.info(`dlob provider size ${dlobProvider.size()}`);
-	if (useWebsocket) {
+
+	if (useWebsocket && !FEATURE_FLAGS.DISABLE_GPA_REFRESH) {
 		const recursiveFetch = (delay = WS_FALLBACK_FETCH_INTERVAL) => {
 			setTimeout(() => {
 				dlobProvider.fetch().then(() => {
@@ -322,6 +324,7 @@ const main = async () => {
 	app.get('/startup', handleStartup);
 	app.get('/', handleHealthCheck(slotSource));
 
+	if (FEATURE_FLAGS.ENABLE_ORDERS_ENDPOINTS) {
 		app.get('/orders/json/raw', async (_req, res, next) => {
 			try {
 				// object with userAccount key and orders object serialized
@@ -339,7 +342,10 @@ const main = async () => {
 					});
 				}
 
-			for (const { userAccount, publicKey } of dlobProvider.getUserAccounts()) {
+				for (const {
+					userAccount,
+					publicKey,
+				} of dlobProvider.getUserAccounts()) {
 					for (const order of userAccount.orders) {
 						if (isVariant(order.status, 'init')) {
 							continue;
@@ -392,7 +398,10 @@ const main = async () => {
 					}
 					oracles.push(oracleHuman);
 				}
-			for (const { userAccount, publicKey } of dlobProvider.getUserAccounts()) {
+				for (const {
+					userAccount,
+					publicKey,
+				} of dlobProvider.getUserAccounts()) {
 					for (const order of userAccount.orders) {
 						if (isVariant(order.status, 'init')) {
 							continue;
@@ -426,7 +435,8 @@ const main = async () => {
 							maxTs: order.maxTs.toString(),
 						};
 						if (order.quoteAssetAmount) {
-						orderHuman['quoteAssetAmount'] = order.quoteAssetAmount.toString();
+							orderHuman['quoteAssetAmount'] =
+								order.quoteAssetAmount.toString();
 						}
 
 						orders.push({
@@ -454,7 +464,10 @@ const main = async () => {
 			try {
 				const dlobOrders: DLOBOrders = [];
 
-			for (const { userAccount, publicKey } of dlobProvider.getUserAccounts()) {
+				for (const {
+					userAccount,
+					publicKey,
+				} of dlobProvider.getUserAccounts()) {
 					for (const order of userAccount.orders) {
 						if (isVariant(order.status, 'init')) {
 							continue;
@@ -477,7 +490,8 @@ const main = async () => {
 		app.get('/orders/idlWithSlot', async (req, res, next) => {
 			try {
 				const { marketName, marketIndex, marketType } = req.query;
-			const { normedMarketType, normedMarketIndex, error } = validateDlobQuery(
+				const { normedMarketType, normedMarketIndex, error } =
+					validateDlobQuery(
 						driftClient,
 						driftEnv,
 						marketType as string,
@@ -502,7 +516,10 @@ const main = async () => {
 
 				const dlobOrders: DLOBOrders = [];
 
-			for (const { userAccount, publicKey } of dlobProvider.getUserAccounts()) {
+				for (const {
+					userAccount,
+					publicKey,
+				} of dlobProvider.getUserAccounts()) {
 					for (const order of userAccount.orders) {
 						if (isVariant(order.status, 'init')) {
 							continue;
@@ -534,6 +551,7 @@ const main = async () => {
 				next(err);
 			}
 		});
+	}
 
 	app.get('/topMakers', async (req, res, next) => {
 		try {

src/utils/featureFlags.ts

@@ -1,7 +1,17 @@
-// TODO : Is it worth adding proper infrastructure for feature flags? .. Would allow more powerful things like toggling them at runtime rather than being hardcoded
 export const FEATURE_FLAGS = {
-	OLD_ORACLE_PRICE_IN_L2: true, // TODO : Remove this once we're confident that NEW_ORACLE_DATA_IN_L2 works .. delete corresponding code
+	// TODO : Remove this once we're confident that NEW_ORACLE_DATA_IN_L2 works .. delete corresponding code
+	OLD_ORACLE_PRICE_IN_L2: true,
 	NEW_ORACLE_DATA_IN_L2: true,
+
+	// enables old orders endpoint, disabled by default since the response is too big now
+	ENABLE_ORDERS_ENDPOINTS: process.env.ENABLE_ORDERS_ENDPOINTS
+		? process.env.ENABLE_ORDERS_ENDPOINTS.toLowerCase()
+		: false,
+
+	// disables periodically refreshing userAccounts via gPA
+	DISABLE_GPA_REFRESH: process.env.DISABLE_GPA_REFRESH
+		? process.env.DISABLE_GPA_REFRESH.toLowerCase()
+		: false,
 };
 
 export default FEATURE_FLAGS;