add v5 leverage token and spot margin endpoints

src/types/request/index.ts

@@ -14,3 +14,4 @@ export * from './v5-market';
 export * from './v5-position';
 export * from './v5-trade';
 export * from './v5-user';
+export * from './v5-spot-leverage-token';

src/types/request/v5-spot-leverage-token.ts

@@ -0,0 +1,23 @@
+import { LTOrderTypeV5 } from '../v5-shared';
+
+export interface PurchaseSpotLeveragedTokenParamsV5 {
+  ltCoin: string;
+  ltAmount: string;
+  serialNo?: string;
+}
+
+export interface RedeemSpotLeveragedTokenParamsV5 {
+  ltCoin: string;
+  quantity: string;
+  serialNo?: string;
+}
+
+export interface GetSpotLeveragedTokenOrderHistoryParamsV5 {
+  ltCoin?: string;
+  orderId?: string;
+  startTime?: number;
+  endTime?: number;
+  limit?: number;
+  ltOrderType?: LTOrderTypeV5;
+  serialNo?: string;
+}