Add method to validate keyring password (#884)

src/keyring/KeyringController.test.ts

@@ -698,6 +698,14 @@ describe('KeyringController', () => {
     expect(seedPhrase).toBeDefined();
   });
 
+  it('should validate password as true if it matches with input', () => {
+    expect(keyringController.validatePassword(password)).toBe(true);
+  });
+
+  it('should validate password as false if it does not match with input', () => {
+    expect(keyringController.validatePassword('12341234')).toBe(false);
+  });
+
   describe('QR keyring', () => {
     const composeMockSignature = (
       requestId: string,

src/keyring/KeyringController.ts

@@ -282,6 +282,16 @@ export class KeyringController extends BaseController<
     }
   }
 
+  /**
+   * Method to validate a password against the password from the keyring.
+   *
+   * @param password - Password of the keyring.
+   * @returns Boolean indicating if input password is valid
+   */
+  validatePassword(password: string): boolean {
+    return this.#keyring.password === password;
+  }
+
   /**
    * Returns the status of the vault.
    *
@@ -298,7 +308,7 @@ export class KeyringController extends BaseController<
    * @returns Promise resolving to the seed phrase.
    */
   exportSeedPhrase(password: string) {
-    if (this.#keyring.password === password) {
+    if (this.validatePassword(password)) {
       return this.#keyring.keyrings[0].mnemonic;
     }
     throw new Error('Invalid password');
@@ -312,7 +322,7 @@ export class KeyringController extends BaseController<
    * @returns Promise resolving to the private key for an address.
    */
   exportAccount(password: string, address: string): Promise<string> {
-    if (this.#keyring.password === password) {
+    if (this.validatePassword(password)) {
       return this.#keyring.exportAccount(address);
     }
     throw new Error('Invalid password');