From ce45cab93f077dfcac432040583de2b7f863cc0d Mon Sep 17 00:00:00 2001
From: arihantbansal <17180950+arihantbansal@users.noreply.github.com>
Date: Sat, 13 Jul 2024 23:02:42 +0530
Subject: [PATCH 1/3] add apr to title

---
 src/routes/index.ts | 45 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)

diff --git a/src/routes/index.ts b/src/routes/index.ts
index bac3a3c..a1e2edb 100644
--- a/src/routes/index.ts
+++ b/src/routes/index.ts
@@ -18,6 +18,9 @@ import {
 	DRIFT_PROGRAM_ID,
 	DriftClient,
 	BulkAccountLoader,
+	calculateDepositRate,
+	convertToNumber,
+	PERCENTAGE_PRECISION,
 } from '@drift-labs/sdk';
 import {
 	clamp,
@@ -85,8 +88,48 @@ router.get('/blinks/deposit', async (req: Request, res: Response) => {
 		icon = GENERIC_BLINK_IMAGE;
 	}
 
+	const { oracleInfos, perpMarketIndexes, spotMarketIndexes } =
+		getMarketsAndOraclesForSubscription(DRIFT_ENV);
+
+	const connection = new Connection(ENDPOINT, {
+		commitment: 'confirmed',
+	});
+
+	const bulkAccountLoader = new BulkAccountLoader(connection, 'confirmed', 0);
+
+	const walletWrapper = createThrowawayIWallet();
+
+	const driftClient = new DriftClient({
+		connection: connection,
+		wallet: walletWrapper,
+		programID: new PublicKey(DRIFT_PROGRAM_ID),
+		env: DRIFT_ENV,
+		txVersion: 0,
+		userStats: false,
+		perpMarketIndexes: perpMarketIndexes,
+		spotMarketIndexes: spotMarketIndexes,
+		oracleInfos: oracleInfos,
+		accountSubscription: {
+			type: 'polling',
+			accountLoader: bulkAccountLoader,
+		},
+	});
+
+	let title = `Deposit ${depositToken} into Drift`;	
+
+	const spotMarket = driftClient.getSpotMarketAccount(spotMarketConfig.marketIndex);	
+	
+	if (spotMarket) {
+		const apr = convertToNumber(calculateDepositRate(spotMarket), new BN(PERCENTAGE_PRECISION));
+
+		console.log('APR:', apr);
+
+		if (apr >= 0.1) {
+			title = `Deposit ${depositToken} into Drift and earn ${apr}% APR`;
+		}
+	}
+
 	const label = '';
-	const title = `Deposit ${depositToken} into Drift`;
 	const description = '';
 	const disabled = false;
 	const amountQuery = 'depositAmount';

From d76c2a7768b8ac57cc936fbbc204a1f417bb937a Mon Sep 17 00:00:00 2001
From: arihantbansal <17180950+arihantbansal@users.noreply.github.com>
Date: Sun, 14 Jul 2024 00:07:50 +0530
Subject: [PATCH 2/3] subscribe to drift client

---
 src/routes/index.ts | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/routes/index.ts b/src/routes/index.ts
index a1e2edb..3b25dca 100644
--- a/src/routes/index.ts
+++ b/src/routes/index.ts
@@ -20,7 +20,6 @@ import {
 	BulkAccountLoader,
 	calculateDepositRate,
 	convertToNumber,
-	PERCENTAGE_PRECISION,
 } from '@drift-labs/sdk';
 import {
 	clamp,
@@ -114,15 +113,14 @@ router.get('/blinks/deposit', async (req: Request, res: Response) => {
 			accountLoader: bulkAccountLoader,
 		},
 	});
+	await driftClient.subscribe();
 
 	let title = `Deposit ${depositToken} into Drift`;	
 
 	const spotMarket = driftClient.getSpotMarketAccount(spotMarketConfig.marketIndex);	
 	
 	if (spotMarket) {
-		const apr = convertToNumber(calculateDepositRate(spotMarket), new BN(PERCENTAGE_PRECISION));
-
-		console.log('APR:', apr);
+		const apr = convertToNumber(calculateDepositRate(spotMarket), new BN(10000));
 
 		if (apr >= 0.1) {
 			title = `Deposit ${depositToken} into Drift and earn ${apr}% APR`;

From 4ad35e3fdb16e5888102cceecd70f8b97f634747 Mon Sep 17 00:00:00 2001
From: arihantbansal <17180950+arihantbansal@users.noreply.github.com>
Date: Sun, 14 Jul 2024 11:47:55 +0530
Subject: [PATCH 3/3] fix: unsubscribe to client

---
 src/routes/index.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/routes/index.ts b/src/routes/index.ts
index 3b25dca..0771044 100644
--- a/src/routes/index.ts
+++ b/src/routes/index.ts
@@ -157,7 +157,7 @@ router.get('/blinks/deposit', async (req: Request, res: Response) => {
 			},
 		],
 	};
-
+	
 	const response: ActionsSpecGetResponse = {
 		icon,
 		label,
@@ -166,6 +166,8 @@ router.get('/blinks/deposit', async (req: Request, res: Response) => {
 		disabled,
 		links,
 	};
+	
+	driftClient.unsubscribe();
 
 	return res.json(response);
 });