add v5 leverage token and spot margin endpoints

src/rest-client-v5.ts

@@ -115,6 +115,14 @@ import {
   ApiKeyInfoV5,
   UpdateApiKeyResultV5,
   UpdateApiKeyParamsV5,
+  LeverageTokenInfoV5,
+  LeveragedTokenMarketResultV5,
+  PurchaseSpotLeveragedTokenParamsV5,
+  PurchaseSpotLeveragedTokenResultV5,
+  RedeemSpotLeveragedTokenParamsV5,
+  RedeemSpotLeveragedTokenResultV5,
+  GetSpotLeveragedTokenOrderHistoryParamsV5,
+  SpotLeveragedTokenOrderHistoryV5,
 } from './types';
 import { REST_CLIENT_TYPE_ENUM } from './util';
 import BaseRestClient from './util/BaseRestClient';
@@ -1140,11 +1148,84 @@ export class RestClientV5 extends BaseRestClient {
     return this.postPrivate('/v5/user/delete-sub-api');
   }
 
-  //
-  //
-  //
-  //
-  //
-  //
-  //
+  /**
+   *
+   ****** Spot Leverage Token APIs
+   *
+   */
+
+  /**
+   * Query leverage token information
+   */
+  getLeveragedTokenInfo(
+    ltCoin?: string
+  ): Promise<APIResponseV3WithTime<{ list: LeverageTokenInfoV5[] }>> {
+    return this.get('/v5/spot-lever-token/info', { ltCoin });
+  }
+
+  /**
+   * Get leverage token market information.
+   */
+  getLeveragedTokenMarket(
+    ltCoin: string
+  ): Promise<APIResponseV3WithTime<LeveragedTokenMarketResultV5>> {
+    return this.get(`/v5/spot-lever-token/reference`, { ltCoin });
+  }
+
+  /**
+   * This endpoint allows you to purchase a leveraged token with a specified amount.
+   */
+  purchaseSpotLeveragedToken(
+    params: PurchaseSpotLeveragedTokenParamsV5
+  ): Promise<APIResponseV3WithTime<PurchaseSpotLeveragedTokenResultV5>> {
+    return this.postPrivate('/v5/spot-lever-token/purchase', params);
+  }
+
+  /**
+   * Redeem leveraged token.
+   */
+  redeemSpotLeveragedToken(
+    params: RedeemSpotLeveragedTokenParamsV5
+  ): Promise<APIResponseV3WithTime<RedeemSpotLeveragedTokenResultV5>> {
+    return this.postPrivate('/v5/spot-lever-token/redeem', params);
+  }
+
+  /**
+   * Get purchase or redemption history
+   */
+  getSpotLeveragedTokenOrderHistory(
+    params?: GetSpotLeveragedTokenOrderHistoryParamsV5
+  ): Promise<
+    APIResponseV3WithTime<{ list: SpotLeveragedTokenOrderHistoryV5[] }>
+  > {
+    return this.getPrivate('/v5/spot-lever-token/order-record', params);
+  }
+
+  /**
+   *
+   ****** Spot Margin Trade APIs
+   *
+   */
+
+  /**
+   * Turn spot margin trade on / off.
+   *
+   * CAUTION
+   * Your account needs to turn on spot margin first
+   */
+  toggleSpotMarginTrade(
+    spotMarginMode: '1' | '0'
+  ): Promise<APIResponseV3WithTime<{ spotMarginMode: '1' | '0' }>> {
+    return this.postPrivate('/v5/spot-margin-trade/switch-mode', {
+      spotMarginMode,
+    });
+  }
+
+  /**
+   * Set the user's maximum leverage in spot cross margin.
+   * CAUTION: Your account needs to enable spot margin first; i.e., you must have finished the quiz on web / app.
+   */
+  setSpotMarginLeverage(leverage: string): Promise<APIResponseV3WithTime<{}>> {
+    return this.postPrivate('/v5/spot-margin-trade/set-leverage', { leverage });
+  }
 }

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;
+}

src/types/response/index.ts

@@ -10,3 +10,4 @@ export * from './v5-market';
 export * from './v5-position';
 export * from './v5-trade';
 export * from './v5-user';
+export * from './v5-spot-leverage-token';

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

@@ -0,0 +1,70 @@
+import {
+  LeverageTokenStatusV5,
+  LTOrderStatusV5,
+  LTOrderTypeV5,
+} from '../v5-shared';
+
+export interface LeverageTokenInfoV5 {
+  ltCoin: string;
+  ltName: string;
+  maxPurchase: string;
+  minPurchase: string;
+  maxPurchaseDaily: string;
+  maxRedeem: string;
+  minRedeem: string;
+  maxRedeemDaily: string;
+  purchaseFeeRate: string;
+  redeemFeeRate: string;
+  ltStatus: LeverageTokenStatusV5;
+  fundFee: string;
+  fundFeeTime: string;
+  manageFeeRate: string;
+  manageFeeTime: string;
+  value: string;
+  netValue: string;
+  total: string;
+}
+
+export interface LeveragedTokenMarketResultV5 {
+  ltCoin: string;
+  nav: string;
+  navTime: string;
+  circulation: string;
+  basket: string;
+  leverage: string;
+}
+
+export interface PurchaseSpotLeveragedTokenResultV5 {
+  ltCoin: string;
+  ltOrderStatus: LTOrderStatusV5;
+  execQty: string;
+  execAmt: string;
+  amount: string;
+  purchaseId: string;
+  serialNo: string;
+  valueCoin: string;
+}
+export interface RedeemSpotLeveragedTokenResultV5 {
+  ltCoin: string;
+  ltOrderStatus: LTOrderStatusV5;
+  quantity: string;
+  execQty: string;
+  execAmt: string;
+  redeemId: string;
+  serialNo: string;
+  valueCoin: string;
+}
+
+export interface SpotLeveragedTokenOrderHistoryV5 {
+  ltCoin: string;
+  orderId: string;
+  ltOrderType: LTOrderTypeV5;
+  orderTime: number;
+  updateTime: number;
+  ltOrderStatus: LTOrderStatusV5;
+  fee: string;
+  amount: string;
+  value: string;
+  valueCoin: string;
+  serialNo: string;
+}

src/types/v5-shared.ts

@@ -43,6 +43,31 @@ export type PermissionTypeV5 =
   | 'Exchange'
   | 'NFT';
 
+/**
+ * Leveraged token status:
+ *
+ *    1 LT can be purchased and redeemed
+ *
+ *    2 LT can be purchased, but not redeemed
+ *
+ *    3 LT can be redeemed, but not purchased
+ *
+ *    4 LT cannot be purchased nor redeemed
+ *
+ *    5 Adjusting position
+ */
+export type LeverageTokenStatusV5 = '1' | '2' | '3' | '4' | '5';
+
+/**
+ * Leveraged token order type: '1': purchase, '2': redeem
+ */
+export type LTOrderTypeV5 = '1' | '2';
+
+/**
+ * Leveraged token order status: '1': completed, '2': in progress, '3': failed
+ */
+export type LTOrderStatusV5 = '1' | '2' | '3';
+
 export interface PermissionsV5 {
   ContractTrade?: string[];
   Spot?: string[];