From f09e79edbdb69efe4bc57076eeb2f2dc940f8d19 Mon Sep 17 00:00:00 2001
From: Thanh Tung <thanhtung28400@gmail.com>
Date: Sat, 8 Feb 2025 09:56:52 +0700
Subject: [PATCH 1/2] feat: add useDemoTrading flag to BaseRestClient for demo
 mode support

---
 package.json               | 2 +-
 src/rest-client-v2.ts      | 2 +-
 src/util/BaseRestClient.ts | 2 ++
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/package.json b/package.json
index 003ea4c..cd6e5da 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bitget-api",
-  "version": "2.3.0",
+  "version": "2.3.1",
   "description": "Node.js & JavaScript SDK for Bitget REST APIs & WebSockets, with TypeScript & end-to-end tests.",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
diff --git a/src/rest-client-v2.ts b/src/rest-client-v2.ts
index ce3a7ea..f5f5788 100644
--- a/src/rest-client-v2.ts
+++ b/src/rest-client-v2.ts
@@ -1262,7 +1262,7 @@ export class RestClientV2 extends BaseRestClient {
   }
 
   getFuturesContractConfig(params: {
-    symbol: string;
+    symbol?: string;
     productType: FuturesProductTypeV2;
   }): Promise<APIResponse<FuturesContractConfigV2[]>> {
     return this.get('/api/v2/mix/market/contracts', params);
diff --git a/src/util/BaseRestClient.ts b/src/util/BaseRestClient.ts
index dcf4057..9f407aa 100644
--- a/src/util/BaseRestClient.ts
+++ b/src/util/BaseRestClient.ts
@@ -92,6 +92,7 @@ export default abstract class BaseRestClient {
   constructor(
     restOptions: RestClientOptions = {},
     networkOptions: AxiosRequestConfig = {},
+    useDemoTrading: boolean = false,
   ) {
     this.options = {
       recvWindow: 5000,
@@ -110,6 +111,7 @@ export default abstract class BaseRestClient {
         'X-CHANNEL-API-CODE': 'hbnni',
         'Content-Type': 'application/json',
         locale: 'en-US',
+        ...(useDemoTrading ? { paptrading: '1' } : {}),
       },
     };
 

From 2c074b2cc6ee294268c0e2ddf791e8a62377b36d Mon Sep 17 00:00:00 2001
From: Thanh Tung <thanhtung28400@gmail.com>
Date: Sat, 8 Feb 2025 18:34:40 +0700
Subject: [PATCH 2/2] refactor: replace useDemoTrading with demoTrading in
 RestClientOptions for consistency

---
 src/util/BaseRestClient.ts | 3 +--
 src/util/requestUtils.ts   | 7 +++++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/util/BaseRestClient.ts b/src/util/BaseRestClient.ts
index 9f407aa..e02be75 100644
--- a/src/util/BaseRestClient.ts
+++ b/src/util/BaseRestClient.ts
@@ -92,7 +92,6 @@ export default abstract class BaseRestClient {
   constructor(
     restOptions: RestClientOptions = {},
     networkOptions: AxiosRequestConfig = {},
-    useDemoTrading: boolean = false,
   ) {
     this.options = {
       recvWindow: 5000,
@@ -111,7 +110,7 @@ export default abstract class BaseRestClient {
         'X-CHANNEL-API-CODE': 'hbnni',
         'Content-Type': 'application/json',
         locale: 'en-US',
-        ...(useDemoTrading ? { paptrading: '1' } : {}),
+        ...(restOptions.demoTrading ? { paptrading: '1' } : {}),
       },
     };
 
diff --git a/src/util/requestUtils.ts b/src/util/requestUtils.ts
index 90ea006..e4ed446 100644
--- a/src/util/requestUtils.ts
+++ b/src/util/requestUtils.ts
@@ -11,6 +11,13 @@ export interface RestClientOptions {
   /** Set to `true` to connect to testnet. Uses the live environment by default. */
   // testnet?: boolean;
 
+  /**
+   * Set to `true` to use Bitget's demo trading: https://www.bitget.com/api-doc/common/demotrading/restapi.
+   *
+   * Disabled by default.
+   */
+  demoTrading?: boolean;
+
   /** Override the max size of the request window (in ms) */
   recvWindow?: number;