Merge pull request #177 from shocknet/feature/graceful-lnd
error manager
This commit is contained in:
CapDog
GitHub
commit
6c57aa7092
6 changed files with 404 additions and 67 deletions
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@ -48,7 +48,7 @@
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"request-promise": "^4.2.2",
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"response-time": "^2.3.2",
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"shelljs": "^0.8.2",
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"shock-common": "6.0.0",
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"shock-common": "8.0.0",
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"socket.io": "2.1.1",
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"text-encoding": "^0.7.0",
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"tingodb": "^0.6.1",
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@ -30,8 +30,35 @@ const ordersProcessed = new Set()
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* @typedef {import('../SimpleGUN').UserGUNNode} UserGUNNode
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*/
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/**
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* @typedef {object} InvoiceRequest
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* @prop {number} expiry
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* @prop {string} memo
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* @prop {number} value
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* @prop {boolean} private
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*/
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let currentOrderAddr = ''
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/** @param {InvoiceRequest} invoiceReq */
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const _addInvoice = invoiceReq =>
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new Promise((resolve, rej) => {
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const {
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services: { lightning }
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} = LightningServices
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lightning.addInvoice(invoiceReq, (
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/** @type {any} */ error,
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/** @type {{ payment_request: string }} */ response
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) => {
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if (error) {
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rej(error)
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} else {
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resolve(response.payment_request)
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}
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})
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})
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/**
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* @param {string} addr
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* @param {ISEA} SEA
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@ -58,6 +85,8 @@ const listenerForAddr = (addr, SEA) => async (order, orderID) => {
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return
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}
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const listenerStartTime = Date.now()
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ordersProcessed.add(orderID)
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logger.info(
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@ -66,20 +95,35 @@ const listenerForAddr = (addr, SEA) => async (order, orderID) => {
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)} -- addr: ${addr}`
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)
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const alreadyAnswered = getUser()
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const orderAnswerStartTime = Date.now()
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const alreadyAnswered = await getUser()
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.get(Key.ORDER_TO_RESPONSE)
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.get(orderID)
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.then()
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if (await alreadyAnswered) {
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if (alreadyAnswered) {
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logger.info('this order is already answered, quitting')
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return
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}
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const orderAnswerEndTime = Date.now() - orderAnswerStartTime
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logger.info(`[PERF] Order Already Answered: ${orderAnswerEndTime}ms`)
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const decryptStartTime = Date.now()
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const senderEpub = await Utils.pubToEpub(order.from)
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const secret = await SEA.secret(senderEpub, getUser()._.sea)
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const decryptedAmount = await SEA.decrypt(order.amount, secret)
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const [decryptedAmount, memo] = await Promise.all([
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SEA.decrypt(order.amount, secret),
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SEA.decrypt(order.memo, secret)
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])
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const decryptEndTime = Date.now() - decryptStartTime
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logger.info(`[PERF] Decrypt invoice info: ${decryptEndTime}ms`)
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const amount = Number(decryptedAmount)
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@ -101,8 +145,6 @@ const listenerForAddr = (addr, SEA) => async (order, orderID) => {
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)
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}
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const memo = await SEA.decrypt(order.memo, secret)
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const invoiceReq = {
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expiry: 36000,
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memo,
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@ -114,32 +156,29 @@ const listenerForAddr = (addr, SEA) => async (order, orderID) => {
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`onOrders() -> Will now create an invoice : ${JSON.stringify(invoiceReq)}`
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)
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const invoiceStartTime = Date.now()
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/**
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* @type {string}
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*/
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const invoice = await new Promise((resolve, rej) => {
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const {
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services: { lightning }
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} = LightningServices
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const invoice = await _addInvoice(invoiceReq)
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lightning.addInvoice(invoiceReq, (
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/** @type {any} */ error,
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/** @type {{ payment_request: string }} */ response
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) => {
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if (error) {
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rej(error)
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} else {
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resolve(response.payment_request)
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}
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})
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})
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const invoiceEndTime = Date.now() - invoiceStartTime
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logger.info(`[PERF] LND Invoice created in ${invoiceEndTime}ms`)
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logger.info(
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'onOrders() -> Successfully created the invoice, will now encrypt it'
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)
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const invoiceEncryptStartTime = Date.now()
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const encInvoice = await SEA.encrypt(invoice, secret)
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const invoiceEncryptEndTime = Date.now() - invoiceEncryptStartTime
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logger.info(`[PERF] Invoice encrypted in ${invoiceEncryptEndTime}ms`)
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logger.info(
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`onOrders() -> Will now place the encrypted invoice in order to response usergraph: ${addr}`
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)
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@ -150,11 +189,12 @@ const listenerForAddr = (addr, SEA) => async (order, orderID) => {
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type: 'invoice'
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}
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const invoicePutStartTime = Date.now()
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await new Promise((res, rej) => {
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getUser()
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.get(Key.ORDER_TO_RESPONSE)
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.get(orderID)
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//@ts-ignore
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.put(orderResponse, ack => {
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if (ack.err && typeof ack.err !== 'number') {
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rej(
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@ -167,6 +207,14 @@ const listenerForAddr = (addr, SEA) => async (order, orderID) => {
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}
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})
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})
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const invoicePutEndTime = Date.now() - invoicePutStartTime
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logger.info(`[PERF] Added invoice to GunDB in ${invoicePutEndTime}ms`)
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const listenerEndTime = Date.now() - listenerStartTime
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logger.info(`[PERF] Invoice generation completed in ${listenerEndTime}ms`)
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} catch (err) {
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logger.error(
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`error inside onOrders, orderAddr: ${addr}, orderID: ${orderID}, order: ${JSON.stringify(
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@ -184,7 +232,6 @@ const listenerForAddr = (addr, SEA) => async (order, orderID) => {
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getUser()
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.get(Key.ORDER_TO_RESPONSE)
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.get(orderID)
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//@ts-ignore
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.put(orderResponse, ack => {
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if (ack.err && typeof ack.err !== 'number') {
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logger.error(
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@ -21,6 +21,7 @@ const auth = require('../services/auth/auth')
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const FS = require('../utils/fs')
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const Encryption = require('../utils/encryptionStore')
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const LightningServices = require('../utils/lightningServices')
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const lndErrorManager = require('../utils/lightningServices/errors')
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const GunDB = require('../services/gunDB/Mediator')
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const {
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unprotectedRoutes,
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@ -63,7 +64,10 @@ module.exports = async (
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return message
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}
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const getAvailableService = () =>
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const getAvailableService = () => {
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return lndErrorManager.getAvailableService()
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}
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/*
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new Promise((resolve, reject) => {
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const { lightning } = LightningServices.services
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@ -105,13 +109,22 @@ module.exports = async (
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success: true
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})
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})
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})
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})*/
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const checkHealth = async () => {
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logger.info('Getting service status...')
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const serviceStatus = await getAvailableService()
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logger.info('Received status:', serviceStatus)
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const LNDStatus = serviceStatus
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let LNDStatus = {}
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try {
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const serviceStatus = await getAvailableService()
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logger.info('Received status:', serviceStatus)
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LNDStatus = serviceStatus
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} catch (e) {
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LNDStatus = {
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message: e.message,
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success: false
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}
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}
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try {
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logger.info('Getting API status...')
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const APIHealth = await Http.get(
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@ -367,14 +380,31 @@ module.exports = async (
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const walletStatus = await walletExists()
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const availableService = await getAvailableService()
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const statusMessage = availableService.walletStatus
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if (availableService.code === 12) {
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return res.status(401).json({
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field: 'lnd_locked',
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errorMessage: availableService.message
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? availableService.message
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: 'unknown'
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})
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}
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if (availableService.code === 14) {
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return res.status(401).json({
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field: 'lnd_dead',
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errorMessage: availableService.message
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? availableService.message
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: 'unknown'
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})
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}
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if (walletStatus) {
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if (statusMessage === 'unlocked') {
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return next()
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}
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return res.status(401).json({
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field: 'wallet',
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errorMessage: statusMessage ? statusMessage : 'unknown'
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errorMessage: availableService.message
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? availableService.message
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: 'unknown'
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})
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}
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@ -386,6 +416,18 @@ module.exports = async (
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next()
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} catch (err) {
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logger.error(err)
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if (err.code === 12) {
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return res.status(401).json({
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field: 'lnd_locked',
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errorMessage: err.message ? err.message : 'unknown'
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})
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}
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if (err.code === 14) {
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return res.status(401).json({
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field: 'lnd_dead',
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errorMessage: err.message ? err.message : 'unknown'
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})
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}
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res.status(500).json({
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field: 'wallet',
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errorMessage: err.message ? err.message : err
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@ -589,17 +631,46 @@ module.exports = async (
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stream.on('end', () => {
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logger.info('Channel backup stream ended, starting a new one...')
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// Prevents call stack overflow exceptions
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process.nextTick(onNewChannelBackup)
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//process.nextTick(onNewChannelBackup)
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})
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stream.on('error', err => {
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logger.error('Channel backup stream error:', err)
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})
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stream.on('status', status => {
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if (status.code === 14) {
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// Prevents call stack overflow exceptions
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process.nextTick(() => setTimeout(onNewChannelBackup, 30000))
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} else {
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logger.error('Channel backup stream status:', status)
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logger.error('Channel backup stream status:', status)
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switch (status.code) {
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case 0: {
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logger.info('Channel backup stream ok')
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break
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}
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case 2: {
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//Happens to fire when the grpc client lose access to macaroon file
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logger.warn('Channel backup got UNKNOWN error status')
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break
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}
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case 12: {
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logger.warn(
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'Channel backup LND locked, new registration in 60 seconds'
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)
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process.nextTick(() =>
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setTimeout(() => onNewTransaction(socket, subID), 60000)
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)
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break
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}
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case 13: {
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//https://grpc.github.io/grpc/core/md_doc_statuscodes.html
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logger.error('Channel backup INTERNAL LND error')
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break
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}
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case 14: {
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logger.error(
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'Channel backup LND disconnected, sockets reconnecting in 30 seconds...'
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)
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process.nextTick(() =>
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setTimeout(() => onNewTransaction(socket, subID), 30000)
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)
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break
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}
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}
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})
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}
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121
src/sockets.js
121
src/sockets.js
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@ -111,9 +111,9 @@ module.exports = (
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}
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}
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const onNewInvoice = socket => {
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const onNewInvoice = (socket, subID) => {
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const { lightning } = LightningServices.services
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logger.warn('Subscribing to invoices socket...')
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logger.warn('Subscribing to invoices socket...' + subID)
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const stream = lightning.subscribeInvoices({})
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stream.on('data', data => {
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logger.info('[SOCKET] New invoice data:', data)
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@ -122,49 +122,107 @@ module.exports = (
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stream.on('end', () => {
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logger.info('New invoice stream ended, starting a new one...')
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// Prevents call stack overflow exceptions
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process.nextTick(() => onNewInvoice(socket))
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//process.nextTick(() => onNewInvoice(socket))
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})
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stream.on('error', err => {
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logger.error('New invoice stream error:', err)
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logger.error('New invoice stream error:' + subID, err)
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})
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stream.on('status', status => {
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logger.warn('New invoice stream status:', status)
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if (status.code === 14) {
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// Prevents call stack overflow exceptions
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logger.error(
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'[event:invoice:new] LND disconnected, sockets reconnecting in 30 seconds...'
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)
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process.nextTick(() => setTimeout(() => onNewInvoice(socket), 30000))
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logger.warn('New invoice stream status:' + subID, status)
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switch (status.code) {
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case 0: {
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logger.info('[event:invoice:new] stream ok')
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break
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}
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case 2: {
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logger.warn('[event:invoice:new] got UNKNOWN error status')
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break
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}
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case 12: {
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logger.warn(
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'[event:invoice:new] LND locked, new registration in 60 seconds'
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)
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process.nextTick(() =>
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setTimeout(() => onNewInvoice(socket, subID), 60000)
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)
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break
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}
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case 13: {
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//https://grpc.github.io/grpc/core/md_doc_statuscodes.html
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logger.error('[event:invoice:new] INTERNAL LND error')
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break
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}
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case 14: {
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logger.error(
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'[event:invoice:new] LND disconnected, sockets reconnecting in 30 seconds...'
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)
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process.nextTick(() =>
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setTimeout(() => onNewInvoice(socket, subID), 30000)
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)
|
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break
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}
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}
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})
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return () => {
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stream.cancel()
|
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}
|
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}
|
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|
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const onNewTransaction = socket => {
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const onNewTransaction = (socket, subID) => {
|
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const { lightning } = LightningServices.services
|
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const stream = lightning.subscribeTransactions({})
|
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logger.warn('Subscribing to transactions socket...')
|
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logger.warn('Subscribing to transactions socket...' + subID)
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stream.on('data', data => {
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logger.info('[SOCKET] New transaction data:', data)
|
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emitEncryptedEvent({ eventName: 'transaction:new', data, socket })
|
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})
|
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stream.on('end', () => {
|
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logger.info('New invoice stream ended, starting a new one...')
|
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process.nextTick(() => onNewTransaction(socket))
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logger.info('New transactions stream ended, starting a new one...')
|
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//process.nextTick(() => onNewTransaction(socket))
|
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})
|
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stream.on('error', err => {
|
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logger.error('New invoice stream error:', err)
|
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logger.error('New transactions stream error:' + subID, err)
|
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})
|
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stream.on('status', status => {
|
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logger.error('New invoice stream status:', status)
|
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if (status.code === 14) {
|
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logger.error(
|
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'[event:transaction:new] LND disconnected, sockets reconnecting in 30 seconds...'
|
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)
|
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process.nextTick(() =>
|
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setTimeout(() => onNewTransaction(socket), 30000)
|
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)
|
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logger.error('New transactions stream status:' + subID, status)
|
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switch (status.code) {
|
||||
case 0: {
|
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logger.info('[event:transaction:new] stream ok')
|
||||
break
|
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}
|
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case 2: {
|
||||
//Happens to fire when the grpc client lose access to macaroon file
|
||||
logger.warn('[event:transaction:new] got UNKNOWN error status')
|
||||
break
|
||||
}
|
||||
case 12: {
|
||||
logger.warn(
|
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'[event:transaction:new] LND locked, new registration in 60 seconds'
|
||||
)
|
||||
process.nextTick(() =>
|
||||
setTimeout(() => onNewTransaction(socket, subID), 60000)
|
||||
)
|
||||
break
|
||||
}
|
||||
case 13: {
|
||||
//https://grpc.github.io/grpc/core/md_doc_statuscodes.html
|
||||
logger.error('[event:transaction:new] INTERNAL LND error')
|
||||
break
|
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}
|
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case 14: {
|
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logger.error(
|
||||
'[event:transaction:new] LND disconnected, sockets reconnecting in 30 seconds...'
|
||||
)
|
||||
process.nextTick(() =>
|
||||
setTimeout(() => onNewTransaction(socket, subID), 30000)
|
||||
)
|
||||
break
|
||||
}
|
||||
}
|
||||
})
|
||||
return () => {
|
||||
stream.cancel()
|
||||
}
|
||||
}
|
||||
|
||||
io.on('connection', socket => {
|
||||
|
|
@ -174,6 +232,8 @@ module.exports = (
|
|||
|
||||
const isOneTimeUseSocket = !!socket.handshake.query.IS_GUN_AUTH
|
||||
const isLNDSocket = !!socket.handshake.query.IS_LND_SOCKET
|
||||
const isNotificationsSocket = !!socket.handshake.query
|
||||
.IS_NOTIFICATIONS_SOCKET
|
||||
if (!isLNDSocket) {
|
||||
/** printing out the client who joined */
|
||||
logger.info('New socket client connected (id=' + socket.id + ').')
|
||||
|
|
@ -203,9 +263,16 @@ module.exports = (
|
|||
})
|
||||
} else {
|
||||
if (isLNDSocket) {
|
||||
logger.info('[LND] New LND Socket created')
|
||||
onNewInvoice(socket)
|
||||
onNewTransaction(socket)
|
||||
const subID = Math.floor(Math.random() * 1000).toString()
|
||||
const isNotifications = isNotificationsSocket ? 'notifications' : ''
|
||||
logger.info('[LND] New LND Socket created:' + isNotifications + subID)
|
||||
const cancelInvoiceStream = onNewInvoice(socket, subID)
|
||||
const cancelTransactionStream = onNewTransaction(socket, subID)
|
||||
socket.on('disconnect', () => {
|
||||
logger.info('LND socket disconnected:' + isNotifications + subID)
|
||||
cancelInvoiceStream()
|
||||
cancelTransactionStream()
|
||||
})
|
||||
return
|
||||
}
|
||||
logger.info('New socket is NOT one time use')
|
||||
|
|
|
|||
152
utils/lightningServices/errors.js
Normal file
152
utils/lightningServices/errors.js
Normal file
|
|
@ -0,0 +1,152 @@
|
|||
|
||||
const LightningServices = require('./lightning-services')
|
||||
|
||||
/**
|
||||
* @typedef {{
|
||||
* code:number,
|
||||
* details:string,
|
||||
* message:string
|
||||
* }} LNDError
|
||||
*/
|
||||
|
||||
/**
|
||||
* @typedef {(err:LNDError,response:object)=>void} HealthListener
|
||||
*/
|
||||
|
||||
class LNDErrorManager {
|
||||
|
||||
/**
|
||||
* @type {boolean}
|
||||
*/
|
||||
_isCheckingHealth = false
|
||||
|
||||
/**
|
||||
* @type {HealthListener[]}
|
||||
*/
|
||||
_healthListeners = []
|
||||
|
||||
//rejects if(err && err.code !== 12)
|
||||
getAvailableService(){
|
||||
|
||||
//require('shock-common').Utils.makePromise((res, rej) => ...)
|
||||
return new Promise((res,rej)=>{
|
||||
if(!this._isCheckingHealth){
|
||||
this._isCheckingHealth = true
|
||||
this.getInfo()
|
||||
}
|
||||
/**
|
||||
*
|
||||
* @param {LNDError} err
|
||||
* @param {object} response
|
||||
*/
|
||||
const listener = (err,response)=>{
|
||||
if (err) {
|
||||
if (err.code === 12) {
|
||||
res({
|
||||
service: 'walletUnlocker',
|
||||
message: 'Wallet locked',
|
||||
code: err.code,
|
||||
walletStatus: 'locked',
|
||||
success: true
|
||||
})
|
||||
} else if (err.code === 14) {
|
||||
rej({
|
||||
service: 'unknown',
|
||||
message:
|
||||
"Failed to connect to LND server, make sure it's up and running.",
|
||||
code: 14,
|
||||
walletStatus: 'unknown',
|
||||
success: false
|
||||
})
|
||||
} else if(err.code === 4){
|
||||
rej({
|
||||
service: 'unknown',
|
||||
message:
|
||||
"LND Timeout",
|
||||
code: 4,
|
||||
walletStatus: 'unknown',
|
||||
success: false
|
||||
})
|
||||
} else {
|
||||
rej({
|
||||
service: 'lightning',
|
||||
message: this.sanitizeLNDError(err),
|
||||
code: err.code,
|
||||
walletStatus: 'unlocked',
|
||||
success: false
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
res({
|
||||
service: 'lightning',
|
||||
message: response,
|
||||
code: null,
|
||||
walletStatus: 'unlocked',
|
||||
success: true
|
||||
})
|
||||
|
||||
}
|
||||
this._healthListeners.push(listener)
|
||||
})
|
||||
|
||||
}
|
||||
|
||||
//private
|
||||
getInfo(){
|
||||
const { lightning } = LightningServices.services
|
||||
/**
|
||||
*
|
||||
* @param {LNDError} err
|
||||
* @param {object} response
|
||||
*/
|
||||
const callback = (err, response) => {
|
||||
this._healthListeners.forEach(l =>{
|
||||
l(err,response)
|
||||
})
|
||||
this._healthListeners.length = 0
|
||||
this._isCheckingHealth = false
|
||||
}
|
||||
const deadline = Date.now() + 4000
|
||||
lightning.getInfo({},{deadline}, callback)
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {LNDError} e
|
||||
*/
|
||||
handleError(e){
|
||||
return this.sanitizeLNDError(e)
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {LNDError} e
|
||||
*/
|
||||
// eslint-disable-next-line
|
||||
sanitizeLNDError(e){
|
||||
let eMessage = ''
|
||||
if(typeof e === 'string'){
|
||||
eMessage = e
|
||||
}else if(e.details){
|
||||
eMessage = e.details
|
||||
} else if(e.message){
|
||||
eMessage = e.message
|
||||
}
|
||||
if (eMessage.toLowerCase().includes('unknown')) {
|
||||
const splittedMessage = eMessage.split('UNKNOWN: ')
|
||||
return splittedMessage.length > 1
|
||||
? splittedMessage.slice(1).join('')
|
||||
: splittedMessage.join('')
|
||||
}
|
||||
if(eMessage === ''){
|
||||
return 'unknown LND error'
|
||||
}
|
||||
return eMessage
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
const lndErrorManager = new LNDErrorManager()
|
||||
|
||||
module.exports = lndErrorManager
|
||||
|
|
@ -6021,10 +6021,10 @@ shellwords@^0.1.1:
|
|||
resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.1.tgz#d6b9181c1a48d397324c84871efbcfc73fc0654b"
|
||||
integrity sha512-vFwSUfQvqybiICwZY5+DAWIPLKsWO31Q91JSKl3UYv+K5c2QRPzn0qzec6QPu1Qc9eHYItiP3NdJqNVqetYAww==
|
||||
|
||||
shock-common@6.0.0:
|
||||
version "6.0.0"
|
||||
resolved "https://registry.yarnpkg.com/shock-common/-/shock-common-6.0.0.tgz#77701dabb344830046b85ece0103de21775197b9"
|
||||
integrity sha512-kbSkLTtWTK8qVcbW6uViWtar3otW2S5oJIMO/1twPs6Iuv9ATF0QviDtUiU1YN/Y4bX/SXAMm/jRZ3OJ3PLyUA==
|
||||
shock-common@8.0.0:
|
||||
version "8.0.0"
|
||||
resolved "https://registry.yarnpkg.com/shock-common/-/shock-common-8.0.0.tgz#4dbc8c917adfb221a00b6d1e815c4d26d205ce66"
|
||||
integrity sha512-X9jkSxNUjQOcVdEAGBl6dlBgBxF9MpjV50Cih4hoqLqeGfrAYHK/iqgXgDyaHkLraHRxdP6FWJ2DoWOpuBgpDQ==
|
||||
dependencies:
|
||||
immer "^6.0.6"
|
||||
lodash "^4.17.19"
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue