emit after lock/unlock

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@lorena-ssi/lorena-sdk",
-  "version": "1.0.13",
+  "version": "1.0.14",
   "description": "Lorena SDK",
   "author": "Alex Puig <alex@caelumlabs.com>",
   "license": "MIT",

src/index.js

@@ -72,22 +72,28 @@ export default class Lorena extends EventEmitter {
    * Locks (saves and encrypts) the wallet
    *
    * @param {string} password Wallet password
-   * @returns {object} Wallet info.
+   * @returns {boolean} success
    */
-  lock (password) {
-    this.emit('lock', password)
-    return this.wallet.lock(password)
+  async lock (password) {
+    const result = this.wallet.lock(password)
+    if (result) {
+      this.emit('lock', password)
+    }
+    return result
   }
 
   /**
    * UnLocks (open and decrypts) the wallet
    *
    * @param {string} password Wallet password
-   * @returns {object} Wallet info.
+   * @returns {boolean} success
    */
-  unlock (password) {
-    this.emit('unlock', password)
-    return this.wallet.unlock(password)
+  async unlock (password) {
+    const result = this.wallet.unlock(password)
+    if (result) {
+      this.emit('unlock', password)
+    }
+    return result
   }
 
   /**