add cache

src/walletSdk/Anchor/Sep6.ts

@@ -19,18 +19,35 @@ type Sep6Params = {
 export class Sep6 {
   private anchor: Anchor;
   private httpClient: AxiosInstance;
+  private anchorInfo: Sep6Info;
 
+  /**
+   * Creates a new instance of the Sep6 class.
+   * @constructor
+   * @param {Sep6Params} params - Parameters to initialize the Sep6 instance.
+   */
   constructor(params: Sep6Params) {
     const { anchor, httpClient } = params;
 
     this.anchor = anchor;
     this.httpClient = httpClient;
   }
 
-  async info(): Promise<Sep6Info> {
+  /**
+   * Get SEP-6 anchor information.
+   * If `shouldRefresh` is set to `true`, it fetches fresh values; otherwise, it returns cached values if available.
+   * @param {boolean} [shouldRefresh=false] - Flag to force a refresh of TOML values.
+   * @returns {Promise<Sep6Info>} - SEP-6 information about the anchor.
+   */
+  async info(shouldRefresh?: boolean): Promise<Sep6Info> {
+    if (this.anchorInfo && !shouldRefresh) {
+      return this.anchorInfo;
+    }
+
     const { transferServer } = await this.anchor.sep1();
     try {
       const resp = await this.httpClient.get(`${transferServer}/info`);
+      this.anchorInfo = resp.data;
       return resp.data;
     } catch (e) {
       throw new ServerRequestFailedError(e);

test/sep6.test.ts

@@ -8,5 +8,9 @@ describe("SEP-6", () => {
     const resp = await sep6.info();
     expect(resp.deposit).toBeTruthy();
     expect(resp.withdraw).toBeTruthy();
+
+    const refreshed = await sep6.info(true);
+    expect(refreshed.deposit).toBeTruthy();
+    expect(refreshed.withdraw).toBeTruthy();
   });
 });