Add wallet.restoreWallet, giving lnd the seed and password to restore.

Author: valentinewallace

src/action/wallet.js

@@ -235,6 +235,20 @@ class WalletAction {
     await this.unlockWallet({ walletPassword: password });
   }
 
+  /**
+   * Initialize the wallet with the password input the seed that was already
+   * inputted, and the default recovery window.
+   * @return {Promise<undefined>}
+   */
+  async restoreWallet() {
+    const { password, restoreSeed } = this._store.wallet;
+    await this.initWallet({
+      walletPassword: password,
+      seedMnemonic: restoreSeed.toJSON(),
+      recoveryWindow: RECOVERY_WINDOW,
+    });
+  }
+
   /**
    * Unlock the wallet by calling the grpc api with the user chosen password.
    * @param  {string} options.walletPassword The password used to encrypt the wallet

test/unit/action/wallet.spec.js

@@ -7,6 +7,7 @@ import NotificationAction from '../../../src/action/notification';
 import * as logger from '../../../src/action/log';
 import nock from 'nock';
 import 'isomorphic-fetch';
+import { RECOVERY_WINDOW } from '../../../src/config';
 
 describe('Action Wallet Unit Tests', () => {
   let store;
@@ -275,6 +276,24 @@ describe('Action Wallet Unit Tests', () => {
     });
   });
 
+  describe('restoreWallet()', () => {
+    beforeEach(() => {
+      sandbox.stub(wallet, 'initWallet');
+    });
+
+    it('calls initWallet with password and restoreSeed', async () => {
+      wallet.setPassword({ password: 'secret123' });
+      const seed = Array(24).fill('foo');
+      store.wallet.restoreSeed = seed;
+      await wallet.restoreWallet();
+      expect(wallet.initWallet, 'was called with', {
+        walletPassword: 'secret123',
+        seedMnemonic: seed,
+        recoveryWindow: RECOVERY_WINDOW,
+      });
+    });
+  });
+
   describe('unlockWallet()', () => {
     it('should unlock wallet', async () => {
       grpc.sendUnlockerCommand.withArgs('UnlockWallet').resolves();