From 0ea0ae9aa4ff12a76c52c603b1d03dd99eb6ebaa Mon Sep 17 00:00:00 2001
From: GitHub Actions <41898282+github-actions[bot]@users.noreply.github.com>
Date: Thu, 24 Jul 2025 02:03:38 +0000
Subject: [PATCH 1/3] Bumping drift-common to
 91d481817efb5fd18aa4a4701f2c49bcaa84355b

---
 drift-common | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drift-common b/drift-common
index 6ae9e65..91d4818 160000
--- a/drift-common
+++ b/drift-common
@@ -1 +1 @@
-Subproject commit 6ae9e6541b336e9777e48ac517bc0705ae3d5fcf
+Subproject commit 91d481817efb5fd18aa4a4701f2c49bcaa84355b

From 68235a029e609c8c1deea633d4fc991cbf02571d Mon Sep 17 00:00:00 2001
From: jack <jack.waller94@gmail.com>
Date: Thu, 24 Jul 2025 12:17:14 +1000
Subject: [PATCH 2/3] chore: add mark price to dlob response (#462)

---
 src/dlob-subscriber/DLOBSubscriberIO.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/dlob-subscriber/DLOBSubscriberIO.ts b/src/dlob-subscriber/DLOBSubscriberIO.ts
index 3eaaeb1..1149945 100644
--- a/src/dlob-subscriber/DLOBSubscriberIO.ts
+++ b/src/dlob-subscriber/DLOBSubscriberIO.ts
@@ -31,6 +31,7 @@ import {
 import { OffloadQueue } from '../utils/offload';
 import { setHealthStatus, HEALTH_STATUS } from '../core/healthCheck';
 import { CounterValue } from '../core/metricsV2';
+import { COMMON_MATH } from '@drift/common';
 
 export type wsMarketArgs = {
 	marketIndex: number;
@@ -354,6 +355,7 @@ export class DLOBSubscriberIO extends DLOBSubscriber {
 		}
 
 		const l2 = this.getL2({ ...l2FuncArgs, includeVamm });
+		const { markPrice } = COMMON_MATH.calculateSpreadBidAskMark(l2);
 		const slot = l2.slot;
 
 		if (slot) {
@@ -379,6 +381,8 @@ export class DLOBSubscriberIO extends DLOBSubscriber {
 		l2Formatted['marketIndex'] = marketArgs.marketIndex;
 		l2Formatted['ts'] = Date.now();
 		l2Formatted['slot'] = slot;
+		l2Formatted['markPrice'] = markPrice?.toString();
+
 		addOracletoResponse(
 			l2Formatted,
 			this.driftClient,
@@ -392,6 +396,10 @@ export class DLOBSubscriberIO extends DLOBSubscriber {
 			marketArgs.marketIndex
 		);
 
+		if (!markPrice) {
+			l2Formatted['markPrice'] = l2Formatted['oracle'];
+		}
+
 		// Check if slot diffs are too large for oracle
 		const skipSlotCheck =
 			(marketType === 'perp' &&

From a616aa694581539aeeb72eb433c381470faaa7b4 Mon Sep 17 00:00:00 2001
From: lowkeynicc <85139158+lowkeynicc@users.noreply.github.com>
Date: Wed, 23 Jul 2025 23:00:09 -0400
Subject: [PATCH 3/3] include additional info in l2formatted (#463)

---
 src/dlob-subscriber/DLOBSubscriberIO.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/dlob-subscriber/DLOBSubscriberIO.ts b/src/dlob-subscriber/DLOBSubscriberIO.ts
index 1149945..20c2867 100644
--- a/src/dlob-subscriber/DLOBSubscriberIO.ts
+++ b/src/dlob-subscriber/DLOBSubscriberIO.ts
@@ -355,7 +355,8 @@ export class DLOBSubscriberIO extends DLOBSubscriber {
 		}
 
 		const l2 = this.getL2({ ...l2FuncArgs, includeVamm });
-		const { markPrice } = COMMON_MATH.calculateSpreadBidAskMark(l2);
+		const { markPrice, bestBidPrice, bestAskPrice, spreadPct, spreadQuote } =
+			COMMON_MATH.calculateSpreadBidAskMark(l2);
 		const slot = l2.slot;
 
 		if (slot) {
@@ -382,6 +383,10 @@ export class DLOBSubscriberIO extends DLOBSubscriber {
 		l2Formatted['ts'] = Date.now();
 		l2Formatted['slot'] = slot;
 		l2Formatted['markPrice'] = markPrice?.toString();
+		l2Formatted['bestBidPrice'] = bestBidPrice?.toString();
+		l2Formatted['bestAskPrice'] = bestAskPrice?.toString();
+		l2Formatted['spreadPct'] = spreadPct?.toString();
+		l2Formatted['spreadQuote'] = spreadQuote?.toString();
 
 		addOracletoResponse(
 			l2Formatted,