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@ -288,11 +288,8 @@ class ZapController { |
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} |
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} |
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/** |
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/** |
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* Starts the LND node and attach event listeners. |
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* @param {string} alias Alias to assign to the lnd node. |
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* @param {boolean} autopilot True if autopilot should be enabled. |
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* @return {Neutrino} Neutrino instance. |
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*/ |
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startNeutrino() { |
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@ -307,12 +304,12 @@ class ZapController { |
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}) |
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}) |
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this.neutrino.on('close', (code, lastError) => { |
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mainLog.info(`Lnd process has shut down (code ${code})`) |
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this.neutrino.on('exit', (code, signal, lastError) => { |
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mainLog.info(`Lnd process has shut down (code: ${code}, signal: ${signal})`) |
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if (this.is('running') || this.is('connected')) { |
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dialog.showMessageBox({ |
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type: 'error', |
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message: `Lnd has unexpectedly quit: ${lastError}` |
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message: `Lnd has unexpectedly quit:\n\nError code: ${code}\nExit signal: ${signal}\nLast error: ${lastError}` |
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}) |
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this.terminate() |
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} |
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@ -358,61 +355,45 @@ class ZapController { |
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*/ |
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async shutdownNeutrino() { |
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// We only want to shut down LND if we are running it locally.
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if (this.lndConfig.type !== 'local') { |
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if (this.lndConfig.type !== 'local' || !this.neutrino || !this.neutrino.process) { |
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return Promise.resolve() |
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} |
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// Attempt a graceful shutdown if we can.
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if (this.lightning && this.lightning.can('terminate')) { |
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mainLog.info('Shutting down Neutrino...') |
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return new Promise(resolve => { |
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// HACK: Sometimes there are errors during the shutdown process that prevent the daeming from shutting down at
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// all. If we haven't received notification of the process closing within 10 seconds, kill it.
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// See https://github.com/lightningnetwork/lnd/pull/1781
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// See https://github.com/lightningnetwork/lnd/pull/1783
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const shutdownTimeout = setTimeout(() => { |
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this.neutrino.removeListener('close', closeHandler) |
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if (this.neutrino) { |
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mainLog.warn('Graceful shutdown failed to complete within 10 seconds.') |
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this.neutrino.kill() |
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resolve() |
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} |
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}, 1000 * 10) |
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// HACK: The Lightning.stopDaemon` call returns before lnd has actually fully completed the shutdown process
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// so we add a listener on the close event so that we can wrap things up once the process has been fully closed
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// out.
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const closeHandler = function() { |
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mainLog.info('Neutrino shutdown complete.') |
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clearTimeout(shutdownTimeout) |
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mainLog.info('Shutting down Neutrino...') |
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return new Promise(async resolve => { |
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// HACK: Sometimes there are errors during the shutdown process that prevent the daeming from shutting down at
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// all. If we haven't received notification of the process closing within 10 seconds, kill it.
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// See https://github.com/lightningnetwork/lnd/pull/1781
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// See https://github.com/lightningnetwork/lnd/pull/1783
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const shutdownTimeout = setTimeout(() => { |
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this.neutrino.removeListener('exit', exitHandler) |
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if (this.neutrino) { |
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mainLog.warn('Graceful shutdown failed to complete within 10 seconds.') |
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this.neutrino.kill('SIGTERM') |
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resolve() |
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} |
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this.neutrino.once('close', closeHandler) |
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this.lightning |
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.terminate() |
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.then(() => mainLog.info('Neutrino Daemon shutdown complete')) |
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.catch(err => { |
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mainLog.error('Unable to gracefully shutdown LND: %o', err) |
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// Kill the process ourselves here to ensure that we don't leave hanging processes.
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if (this.neutrino) { |
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this.neutrino.kill() |
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resolve() |
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} |
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}) |
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}) |
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} |
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}, 1000 * 10) |
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const exitHandler = () => { |
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clearTimeout(shutdownTimeout) |
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resolve() |
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} |
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this.neutrino.once('exit', exitHandler) |
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// The Lightning service is only active after the wallet has been unlocked and a gRPC connection has been
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// established. In this case, kill the Neutrino process to ensure that we don't leave hanging process.
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// FIXME: This currencly doesn't do a graceful shutdown as LND does not properly handle SIGTERM.
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// See https://github.com/lightningnetwork/lnd/issues/1028
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else if (this.neutrino) { |
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// The Lightning service is only active once the wallet has been unlocked and a gRPC connection has been made.
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// If it is active, disconnect from it before we terminate neutrino.
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if (this.lightning && this.lightning.can('terminate')) { |
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await this.lightning.disconnect() |
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} |
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// Kill the Neutrino process (sends SIGINT to Neutrino process)
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this.neutrino.kill() |
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} |
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}).then(() => mainLog.info('Neutrino shutdown complete')) |
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} |
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/** |
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* Start or connect to lnd process after onboarding has been completed by the app. |
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*/ |
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finishOnboarding(options: onboardingOptions) { |
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mainLog.info('Finishing onboarding') |
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// Save the lnd config options that we got from the renderer.
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JimmyMow
7 years ago
GitHub