fix(lnd): prevent full chain sync on wallet init

Do not set `recovery_window: 250` in our call to `initWallet` when
creating a new wallet, as this causes lnd to scan the entire chain for
non-existent funds which slows the lnd sync process.

See https://github.com/lightningnetwork/lnd/issues/1744

app/components/Onboarding/Onboarding.js

@@ -40,6 +40,7 @@ const Onboarding = ({
   changeStep,
   startLnd,
   submitNewWallet,
+  recoverOldWallet,
   aliasProps,
   initWalletProps,
   autopilotProps,
@@ -225,7 +226,7 @@ const Onboarding = ({
             next={() => {
               const recoverySeed = recoverFormProps.recoverSeedInput.map(input => input.word)
 
-              submitNewWallet(createWalletPassword, recoverySeed)
+              recoverOldWallet(createWalletPassword, recoverySeed)
             }}
           >
             <RecoverForm {...recoverFormProps} />
@@ -292,7 +293,8 @@ Onboarding.propTypes = {
   reEnterSeedProps: PropTypes.object.isRequired,
   changeStep: PropTypes.func.isRequired,
   startLnd: PropTypes.func.isRequired,
-  submitNewWallet: PropTypes.func.isRequired
+  submitNewWallet: PropTypes.func.isRequired,
+  recoverOldWallet: PropTypes.func.isRequired
 }
 
 export default Onboarding

app/containers/Root.js

@@ -19,6 +19,7 @@ import {
   updateCreateWalletPassword,
   updateCreateWalletPasswordConfirmation,
   submitNewWallet,
+  recoverOldWallet,
   onboardingSelectors,
   unlockWallet,
   setSignupCreate,
@@ -49,6 +50,7 @@ const mapDispatchToProps = {
   startLnd,
   createWallet,
   submitNewWallet,
+  recoverOldWallet,
   unlockWallet,
   setSignupCreate,
   setSignupImport,
@@ -177,6 +179,7 @@ const mergeProps = (stateProps, dispatchProps, ownProps) => {
     changeStep: dispatchProps.changeStep,
     startLnd: dispatchProps.startLnd,
     submitNewWallet: dispatchProps.submitNewWallet,
+    recoverOldWallet: dispatchProps.recoverOldWallet,
     connectionTypeProps,
     connectionDetailProps,
     connectionConfirmProps,

app/lib/lnd/methods/walletController.js

@@ -140,7 +140,7 @@ export function unlockWallet(walletUnlocker, { wallet_password }) {
  */
 export function initWallet(
   walletUnlocker,
-  { wallet_password, cipher_seed_mnemonic, aezeed_passphrase = '' }
+  { wallet_password, cipher_seed_mnemonic, aezeed_passphrase = '', recovery_window }
 ) {
   return new Promise((resolve, reject) => {
     walletUnlocker.initWallet(
@@ -148,7 +148,7 @@ export function initWallet(
         wallet_password: Buffer.from(wallet_password),
         cipher_seed_mnemonic,
         aezeed_passphrase: Buffer.from(aezeed_passphrase, 'hex'),
-        recovery_window: 250
+        recovery_window
       },
       (err, data) => {
         if (err) {

app/reducers/onboarding.js

@@ -39,6 +39,8 @@ export const LOADING_EXISTING_WALLET = 'LOADING_EXISTING_WALLET'
 
 export const CREATING_NEW_WALLET = 'CREATING_NEW_WALLET'
 
+export const RECOVERING_OLD_WALLET = 'RECOVERING_OLD_WALLET'
+
 export const UNLOCKING_WALLET = 'UNLOCKING_WALLET'
 export const WALLET_UNLOCKED = 'WALLET_UNLOCKED'
 export const SET_UNLOCK_WALLET_ERROR = 'SET_UNLOCK_WALLET_ERROR'
@@ -227,6 +229,19 @@ export const submitNewWallet = (
   dispatch({ type: CREATING_NEW_WALLET })
 }
 
+export const recoverOldWallet = (
+  wallet_password,
+  cipher_seed_mnemonic,
+  aezeed_passphrase
+) => dispatch => {
+  // once the user submits the data needed to start LND we will alert the app that it should start LND
+  ipcRenderer.send('walletUnlocker', {
+    msg: 'initWallet',
+    data: { wallet_password, cipher_seed_mnemonic, aezeed_passphrase, recovery_window: 250 }
+  })
+  dispatch({ type: RECOVERING_OLD_WALLET })
+}
+
 // Listener for errors connecting to LND gRPC
 export const startOnboarding = (event, lndConfig = {}) => dispatch => {
   dispatch(setConnectionType(lndConfig.type))
@@ -365,6 +380,8 @@ const ACTION_HANDLERS = {
 
   [CREATING_NEW_WALLET]: state => ({ ...state, creatingNewWallet: true }),
 
+  [RECOVERING_OLD_WALLET]: state => ({ ...state, recoveringOldWallet: true }),
+
   [UNLOCKING_WALLET]: state => ({ ...state, unlockingWallet: true }),
   [WALLET_UNLOCKED]: state => ({
     ...state,
@@ -489,6 +506,7 @@ const initialState = {
   createWalletPassword: '',
   createWalletPasswordConfirmation: '',
   creatingNewWallet: false,
+  recoveringOldWallet: false,
 
   existingWalletDir: null,
   unlockingWallet: false,