impl max leverage to endpoint (#488)

src/index.ts

@@ -939,6 +939,8 @@ const main = async (): Promise<void> => {
 				additionalEndPriceBuffer,
 				userOrderId,
 				forceUpToSlippage,
+				maxLeverageSelected,
+				maxLeverageOrderSize,
 			} = req.query;
 
 			// Validate required parameters
@@ -1004,6 +1006,8 @@ const main = async (): Promise<void> => {
 				additionalEndPriceBuffer: additionalEndPriceBuffer as string,
 				userOrderId: parseNumber(userOrderId as string),
 				forceUpToSlippage: parseBoolean(forceUpToSlippage as string),
+				maxLeverageSelected: parseBoolean(maxLeverageSelected as string),
+				maxLeverageOrderSize: maxLeverageOrderSize as string,
 			};
 
 			// Only add non-undefined values

src/utils/types.ts

@@ -22,4 +22,6 @@ export type AuctionParamArgs = {
 	additionalEndPriceBuffer?: string;
 	userOrderId?: number;
 	forceUpToSlippage?: boolean;
+	maxLeverageSelected?: boolean;
+	maxLeverageOrderSize?: string;
 };

src/utils/utils.ts

@@ -1001,9 +1001,12 @@ export const mapToMarketOrderParams = async (
 		};
 	}
 
-	// Calculate baseAmount based on assetType
+	// Calculate baseAmount based on maxLeverageSelected or assetType
 	let baseAmount: BN;
-	if (params.assetType === 'base') {
+	if (params.maxLeverageSelected && params.maxLeverageOrderSize) {
+		// If maxLeverageSelected is true, use maxLeverageOrderSize directly without any conversion
+		baseAmount = stringToBN(params.maxLeverageOrderSize);
+	} else if (params.assetType === 'base') {
 		// If assetType is base, use the amount directly
 		baseAmount = amount;
 	} else {
@@ -1019,8 +1022,10 @@ export const mapToMarketOrderParams = async (
 				marketType,
 				marketIndex: params.marketIndex,
 				direction,
-				maxLeverageSelected: false,
+				maxLeverageSelected: params.maxLeverageSelected ?? false,
-				maxLeverageOrderSize: ZERO,
+				maxLeverageOrderSize: params.maxLeverageOrderSize
+					? stringToBN(params.maxLeverageOrderSize)
+					: ZERO,
 				baseAmount,
 				reduceOnly: params.reduceOnly ?? false,
 				allowInfSlippage: params.allowInfSlippage ?? false,