85 lines
2.7 KiB
JavaScript
85 lines
2.7 KiB
JavaScript
const serialize = require('../api/resolvers/serial')
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const { getInvoice, getPayment } = require('ln-service')
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const walletOptions = { startAfter: 5, retryLimit: 21, retryBackoff: true }
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function checkInvoice ({ boss, models, lnd }) {
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return async function ({ data: { hash } }) {
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let inv
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try {
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inv = await getInvoice({ id: hash, lnd })
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} catch (err) {
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console.log(err)
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// on lnd related errors, we manually retry so we don't exponentially backoff
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await boss.send('checkInvoice', { hash }, walletOptions)
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return
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}
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console.log(inv)
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if (inv.is_confirmed) {
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await serialize(models,
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models.$executeRaw`SELECT confirm_invoice(${inv.id}, ${Number(inv.received_mtokens)})`)
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await boss.send('nip57', { hash })
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} else if (inv.is_canceled) {
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// mark as cancelled
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await serialize(models,
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models.invoice.update({
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where: {
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hash: inv.id
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},
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data: {
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cancelled: true
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}
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}))
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} else if (new Date(inv.expires_at) > new Date()) {
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// not expired, recheck in 5 seconds
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await boss.send('checkInvoice', { hash }, walletOptions)
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}
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}
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}
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function checkWithdrawal ({ boss, models, lnd }) {
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return async function ({ data: { id, hash } }) {
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let wdrwl
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let notFound = false
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try {
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wdrwl = await getPayment({ id: hash, lnd })
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} catch (err) {
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console.log(err)
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if (err[1] === 'SentPaymentNotFound') {
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notFound = true
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} else {
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// on lnd related errors, we manually retry so we don't exponentially backoff
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await boss.send('checkWithdrawal', { id, hash }, walletOptions)
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return
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}
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}
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console.log(wdrwl)
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if (wdrwl?.is_confirmed) {
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const fee = Number(wdrwl.payment.fee_mtokens)
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const paid = Number(wdrwl.payment.mtokens) - fee
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await serialize(models, models.$executeRaw`
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SELECT confirm_withdrawl(${id}::INTEGER, ${paid}, ${fee})`)
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} else if (wdrwl?.is_failed || notFound) {
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let status = 'UNKNOWN_FAILURE'
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if (wdrwl?.failed.is_insufficient_balance) {
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status = 'INSUFFICIENT_BALANCE'
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} else if (wdrwl?.failed.is_invalid_payment) {
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status = 'INVALID_PAYMENT'
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} else if (wdrwl?.failed.is_pathfinding_timeout) {
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status = 'PATHFINDING_TIMEOUT'
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} else if (wdrwl?.failed.is_route_not_found) {
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status = 'ROUTE_NOT_FOUND'
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}
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await serialize(models, models.$executeRaw`
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SELECT reverse_withdrawl(${id}::INTEGER, ${status}::"WithdrawlStatus")`)
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} else {
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// we need to requeue to check again in 5 seconds
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await boss.send('checkWithdrawal', { id, hash }, walletOptions)
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}
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}
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}
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module.exports = { checkInvoice, checkWithdrawal }
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