|
|
|
@ -51,10 +51,9 @@ const grpcSslCipherSuites = connectionType => |
|
|
|
*/ |
|
|
|
class ZapController { |
|
|
|
mainWindow: BrowserWindow |
|
|
|
neutrino: any |
|
|
|
lightning: any |
|
|
|
neutrino: Neutrino |
|
|
|
lightning: Lightning |
|
|
|
splashScreenTime: number |
|
|
|
lightningGrpcConnected: boolean |
|
|
|
lndConfig: LndConfig |
|
|
|
_fsm: StateMachine |
|
|
|
|
|
|
|
@ -73,18 +72,9 @@ class ZapController { |
|
|
|
// Variable to hold the main window instance.
|
|
|
|
this.mainWindow = mainWindow |
|
|
|
|
|
|
|
// Keep a reference any neutrino process started by us.
|
|
|
|
this.neutrino = undefined |
|
|
|
|
|
|
|
// Keep a reference to the lightning gRPC instance.
|
|
|
|
this.lightning = undefined |
|
|
|
|
|
|
|
// Time for the splash screen to remain visible.
|
|
|
|
this.splashScreenTime = 500 |
|
|
|
|
|
|
|
// Boolean indicating wether the lightning grpc is connected ot not.
|
|
|
|
this.lightningGrpcConnected = false |
|
|
|
|
|
|
|
// Initialize the state machine.
|
|
|
|
this._fsm() |
|
|
|
|
|
|
|
@ -127,7 +117,7 @@ class ZapController { |
|
|
|
// FSM Callbacks
|
|
|
|
// ------------------------------------
|
|
|
|
|
|
|
|
onOnboarding() { |
|
|
|
async onOnboarding(lifecycle: any) { |
|
|
|
mainLog.debug('[FSM] onOnboarding...') |
|
|
|
|
|
|
|
// Remove any existing IPC listeners so that we can start fresh.
|
|
|
|
@ -136,12 +126,14 @@ class ZapController { |
|
|
|
// Register IPC listeners so that we can react to instructions coming from the app.
|
|
|
|
this._registerIpcListeners() |
|
|
|
|
|
|
|
// Ensure wallet is disconnected.
|
|
|
|
this.disconnectLightningWallet() |
|
|
|
// Disconnect any pre-existing lightning wallet connection.
|
|
|
|
if (lifecycle.from === 'connected' && this.lightning && this.lightning.can('disconnect')) { |
|
|
|
this.lightning.disconnect() |
|
|
|
} |
|
|
|
|
|
|
|
// If Neutrino is running, kill it.
|
|
|
|
if (this.neutrino) { |
|
|
|
this.neutrino.stop() |
|
|
|
// If we are comming from a running state, stop the Neutrino process.
|
|
|
|
else if (lifecycle.from === 'running') { |
|
|
|
await this.shutdownNeutrino() |
|
|
|
} |
|
|
|
|
|
|
|
// Give the grpc connections a chance to be properly closed out.
|
|
|
|
@ -209,15 +201,16 @@ class ZapController { |
|
|
|
}) |
|
|
|
} |
|
|
|
|
|
|
|
onTerminated() { |
|
|
|
async onTerminated(lifecycle: any) { |
|
|
|
mainLog.debug('[FSM] onTerminated...') |
|
|
|
// Unsubscribe the gRPC streams before thhe window closes. This ensures that we can properly reestablish a fresh
|
|
|
|
// connection when a new window is opened.
|
|
|
|
this.disconnectLightningWallet() |
|
|
|
|
|
|
|
// If Neutrino is running, kill it.
|
|
|
|
if (this.neutrino) { |
|
|
|
this.neutrino.stop() |
|
|
|
// Disconnect from any existing lightning wallet connection.
|
|
|
|
if (lifecycle.from === 'connected' && this.lightning && this.lightning.can('disconnect')) { |
|
|
|
this.lightning.disconnect() |
|
|
|
} |
|
|
|
// If we are comming from a running state, stop the Neutrino process.
|
|
|
|
else if (lifecycle.from === 'running') { |
|
|
|
await this.shutdownNeutrino() |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
@ -251,7 +244,7 @@ class ZapController { |
|
|
|
* Start the wallet unlocker. |
|
|
|
*/ |
|
|
|
startWalletUnlocker() { |
|
|
|
mainLog.info('Starting wallet unlocker...') |
|
|
|
mainLog.info('Establishing connection to Wallet Unlocker gRPC interface...') |
|
|
|
try { |
|
|
|
const walletUnlockerMethods = initWalletUnlocker(this.lndConfig) |
|
|
|
|
|
|
|
@ -275,16 +268,13 @@ class ZapController { |
|
|
|
* Create and subscribe to the Lightning service. |
|
|
|
*/ |
|
|
|
async startLightningWallet() { |
|
|
|
if (this.lightningGrpcConnected) { |
|
|
|
return |
|
|
|
} |
|
|
|
mainLog.info('Starting lightning wallet...') |
|
|
|
this.lightning = new Lightning() |
|
|
|
mainLog.info('Establishing connection to Lightning gRPC interface...') |
|
|
|
this.lightning = new Lightning(this.lndConfig) |
|
|
|
|
|
|
|
// Connect to the Lightning interface.
|
|
|
|
await this.lightning.connect(this.lndConfig) |
|
|
|
try { |
|
|
|
await this.lightning.connect() |
|
|
|
|
|
|
|
// Subscribe the main window to receive streams.
|
|
|
|
this.lightning.subscribe(this.mainWindow) |
|
|
|
|
|
|
|
// Listen for all gRPC restful methods and pass to gRPC.
|
|
|
|
@ -292,25 +282,9 @@ class ZapController { |
|
|
|
|
|
|
|
// Let the renderer know that we are connected.
|
|
|
|
this.sendMessage('lightningGrpcActive') |
|
|
|
|
|
|
|
// Update our internal state.
|
|
|
|
this.lightningGrpcConnected = true |
|
|
|
} catch (err) { |
|
|
|
mainLog.warn('Unable to connect to Lighitnng gRPC interface: %o', err) |
|
|
|
} |
|
|
|
|
|
|
|
/** |
|
|
|
* Unsubscribe from the Lightning service. |
|
|
|
*/ |
|
|
|
disconnectLightningWallet() { |
|
|
|
if (!this.lightningGrpcConnected) { |
|
|
|
return |
|
|
|
} |
|
|
|
mainLog.info('Disconnecting lightning Wallet...') |
|
|
|
|
|
|
|
// Disconnect streams.
|
|
|
|
this.lightning.disconnect() |
|
|
|
|
|
|
|
// Update our internal state.
|
|
|
|
this.lightningGrpcConnected = false |
|
|
|
} |
|
|
|
|
|
|
|
/** |
|
|
|
@ -337,7 +311,7 @@ class ZapController { |
|
|
|
if (this.is('running') || this.is('connected')) { |
|
|
|
dialog.showMessageBox({ |
|
|
|
type: 'error', |
|
|
|
message: `Lnd has unexpectadly quit: ${lastError}` |
|
|
|
message: `Lnd has unexpectedly quit: ${lastError}` |
|
|
|
}) |
|
|
|
this.terminate() |
|
|
|
} |
|
|
|
@ -383,6 +357,66 @@ class ZapController { |
|
|
|
this.neutrino.start() |
|
|
|
} |
|
|
|
|
|
|
|
/** |
|
|
|
* Gracefully shutdown LND. |
|
|
|
*/ |
|
|
|
async shutdownNeutrino() { |
|
|
|
// We only want to shut down LND if we are running it locally.
|
|
|
|
if (this.lndConfig.type !== 'local') { |
|
|
|
return Promise.resolve() |
|
|
|
} |
|
|
|
|
|
|
|
// Attempt a graceful shutdown if we can.
|
|
|
|
if (this.lightning && this.lightning.can('terminate')) { |
|
|
|
mainLog.info('Shutting down Neutrino...') |
|
|
|
|
|
|
|
return new Promise(resolve => { |
|
|
|
// HACK: Sometimes there are errors during the shutdown process that prevent the daeming from shutting down at
|
|
|
|
// all. If we haven't received notification of the process closing within 10 seconds, kill it.
|
|
|
|
// See https://github.com/lightningnetwork/lnd/pull/1781
|
|
|
|
// See https://github.com/lightningnetwork/lnd/pull/1783
|
|
|
|
const shutdownTimeout = setTimeout(() => { |
|
|
|
this.neutrino.removeListener('close', closeHandler) |
|
|
|
if (this.neutrino) { |
|
|
|
mainLog.warn('Graceful shutdown failed to complete within 30 seconds.') |
|
|
|
this.neutrino.kill() |
|
|
|
resolve() |
|
|
|
} |
|
|
|
}, 1000 * 10) |
|
|
|
|
|
|
|
// HACK: The Lightning.stopDaemon` call returns before lnd has actually fully completed the shutdown process
|
|
|
|
// so we add a listener on the close event so that we can wrap things up once the process has been fully closed
|
|
|
|
// out.
|
|
|
|
const closeHandler = function() { |
|
|
|
mainLog.info('Neutrino shutdown complete.') |
|
|
|
clearTimeout(shutdownTimeout) |
|
|
|
resolve() |
|
|
|
} |
|
|
|
this.neutrino.once('close', closeHandler) |
|
|
|
|
|
|
|
this.lightning |
|
|
|
.terminate() |
|
|
|
.then(() => mainLog.info('Neutrino Daemon shutdown complete')) |
|
|
|
.catch(err => { |
|
|
|
mainLog.error('Unable to gracefully shutdown LND: %o', err) |
|
|
|
// Kill the process ourselves here to ensure that we don't leave hanging processes.
|
|
|
|
if (this.neutrino) { |
|
|
|
this.neutrino.kill() |
|
|
|
resolve() |
|
|
|
} |
|
|
|
}) |
|
|
|
}) |
|
|
|
} |
|
|
|
|
|
|
|
// The Lightning service is only active after the wallet has been unlocked and a gRPC connection has been
|
|
|
|
// established. In this case, kill the Neutrino process to ensure that we don't leave hanging process.
|
|
|
|
// FIXME: This currencly doesn't do a graceful shutdown as LND does not properly handle SIGTERM.
|
|
|
|
// See https://github.com/lightningnetwork/lnd/issues/1028
|
|
|
|
else if (this.neutrino) { |
|
|
|
this.neutrino.kill() |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
finishOnboarding(options: onboardingOptions) { |
|
|
|
mainLog.info('Finishing onboarding') |
|
|
|
// Save the lnd config options that we got from the renderer.
|
|
|
|
|
JimmyMow
6 years ago
GitHub