test coverage for public unified margin endpoints

src/index.ts

@@ -7,6 +7,7 @@ export * from './spot-client';
 export * from './spot-client-v3';
 export * from './usdc-option-client';
 export * from './usdc-perpetual-client';
+export * from './unified-margin-client';
 export * from './websocket-client';
 export * from './util/logger';
 export * from './types';

src/types/request/usdc-options.ts

@@ -1,5 +1,4 @@
 import { OrderSide } from '../shared';
-import { USDCOrderFilter } from './usdc-perp';
 import { USDCAPICategory, USDCOrderType, USDCTimeInForce } from './usdc-shared';
 
 export interface USDCOptionsContractInfoRequest {

src/unified-margin-client.ts

@@ -52,7 +52,7 @@ export class UnifiedMarginClient extends BaseRestClient {
   /** Query order book info. Each side has a depth of 25 orders. */
   getOrderBook(
     symbol: string,
-    category?: string,
+    category: string,
     limit?: number
   ): Promise<APIResponseV3<any>> {
     return this.get('/derivatives/v3/public/order-book/L2', {