feat: ncw latest backup

src/ncw-api-client.ts

@@ -32,6 +32,11 @@ export class NcwApiClient implements NcwSdk {
             `${this.NCW_BASE_PATH}/${walletId}`);
     }
 
+    public async getLatestBackup(walletId: string): Promise<NCW.LatestBackupResponse> {
+        return await this.apiClient.issueGetRequest(
+            `${this.NCW_BASE_PATH}/${walletId}/backup/latest`);
+    }
+
     public async enableWallet(walletId: string, enabled: boolean): Promise<void> {
         return await this.apiClient.issuePutRequest(
             `${this.NCW_BASE_PATH}/${walletId}/enable`,

src/ncw-sdk.ts

@@ -20,6 +20,14 @@ export interface NcwSdk {
      */
     getWallet(walletId: string): Promise<{ walletId: string; enabled: boolean; }>;
 
+
+    /**
+     * Get NCW wallet's latest backup
+     *
+     * @param {string} walletId
+     */
+    getLatestBackup(walletId: string): Promise<NCW.LatestBackupResponse>;
+
     /**
      * Enable a NCW wallet
      *

src/types.ts

@@ -1870,6 +1870,19 @@ export namespace NCW {
         enabled: boolean;
     }
 
+    export class LatestBackupKey {
+        deviceId: string;
+        publicKey: string;
+        keyId: string;
+        algorithm: string;
+    }
+
+    export class LatestBackupResponse {
+        passphraseId: string;
+        createdAt: number;
+        keys: Array<LatestBackupKey>;
+    }
+
     export interface GetWalletsPayload {
         pageCursor?: string;
         pageSize?: number;