From 463e082c45249ba0d3b6ae7bbc4a2fbb0518d5f0 Mon Sep 17 00:00:00 2001
From: lowkeynicc <85139158+lowkeynicc@users.noreply.github.com>
Date: Wed, 19 Nov 2025 14:54:45 -0500
Subject: [PATCH] v2 params iteration (#555)

---
 src/index.ts       |  2 +-
 src/utils/utils.ts | 22 ++++++++++++++++------
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index f3ae323..bb36107 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1050,7 +1050,7 @@ const main = async (): Promise<void> => {
 				}
 			});
 
-			const inputParams = createMarketBasedAuctionParams(auctionParamsInput);
+			const inputParams = createMarketBasedAuctionParams(auctionParamsInput, undefined, apiVersion);
 
 			const result = await mapToMarketOrderParams(
 				inputParams,
diff --git a/src/utils/utils.ts b/src/utils/utils.ts
index 0f093d2..fdea26d 100644
--- a/src/utils/utils.ts
+++ b/src/utils/utils.ts
@@ -678,7 +678,8 @@ export const selectMostRecentBySlot = (
 
 export function createMarketBasedAuctionParams(
 	args: AuctionParamArgs,
-	overrideDefaults?: Partial<AuctionParamArgs>
+	overrideDefaults?: Partial<AuctionParamArgs>,
+	version: number = 1
 ): AuctionParamArgs {
 	// Determine if this is a major market (PERP with marketIndex 0, 1, or 2)
 	const isMajorMarket =
@@ -705,8 +706,8 @@ export function createMarketBasedAuctionParams(
 	// Set market-specific defaults (only used if values are undefined)
 	const marketSpecificDefaults: Partial<AuctionParamArgs> = {
 		...DEFAULT_AUCTION_PARAMS,
-		auctionStartPriceOffsetFrom: isMajorMarket ? 'mark' : 'bestOffer',
-		auctionStartPriceOffset: isMajorMarket ? 0 : -0.1,
+		auctionStartPriceOffsetFrom: isMajorMarket && version === 1 ? 'mark' : 'bestOffer',
+		auctionStartPriceOffset: isMajorMarket && version === 1 ? 0 : -0.1,
 	};
 
 	// Apply custom overrides if provided
@@ -1186,7 +1187,8 @@ export const mapToMarketOrderParams = async (
 				driftClient,
 				l2Formatted,
 				startPrice,
-				estimatedPrices.worstPrice
+				estimatedPrices.worstPrice,
+				apiVersion
 			);
 		}
 	} else {
@@ -1392,7 +1394,8 @@ export const calculateDynamicSlippage = (
 	driftClient: DriftClient,
 	l2Formatted: L2OrderBook,
 	startPrice: BN,
-	worstPrice: BN
+	worstPrice: BN,
+	apiVersion?: number
 ): number => {
 	// Determine if this is a major market (PERP with marketIndex 0, 1, or 2)
 	const isPerp = marketType.toLowerCase() === 'perp';
@@ -1474,7 +1477,14 @@ export const calculateDynamicSlippage = (
 	const minSlippage = parseFloat(process.env.DYNAMIC_SLIPPAGE_MIN || '0.035'); // 0.035% minimum
 	const maxSlippage = parseFloat(process.env.DYNAMIC_SLIPPAGE_MAX || '5'); // 5% maximum
 
-	return Math.min(Math.max(dynamicSlippage, minSlippage), maxSlippage);
+	let finalSlippage = Math.min(Math.max(dynamicSlippage, minSlippage), maxSlippage);
+	
+	// Apply 10% boost for API v2
+	if (apiVersion === 2) {
+		finalSlippage = finalSlippage * 1.1;
+	}
+
+	return finalSlippage;
 };
 
 /**