64 lines
1.9 KiB
JavaScript
64 lines
1.9 KiB
JavaScript
import { getInvoice } from 'ln-service'
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import { signId, calculateId, getPublicKey } from 'nostr'
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import { Relay } from '@/lib/nostr'
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const nostrOptions = { startAfter: 5, retryLimit: 21, retryBackoff: true }
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export async function nip57 ({ data: { hash }, boss, lnd, models }) {
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let inv, lnInv
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try {
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lnInv = await getInvoice({ id: hash, lnd })
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inv = await models.invoice.findUnique({
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where: {
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hash
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}
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})
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} catch (err) {
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console.log(err)
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// on lnd related errors, we manually retry which so we don't exponentially backoff
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await boss.send('nip57', { hash }, nostrOptions)
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return
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}
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// check if invoice still exists since JIT invoices get deleted after usage
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if (!inv) return
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try {
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// if parsing fails it's not a zap
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console.log('zapping', inv.desc)
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const desc = JSON.parse(inv.desc)
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const ptag = desc.tags.filter(t => t?.length >= 2 && t[0] === 'p')[0]
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const etag = desc.tags.filter(t => t?.length >= 2 && t[0] === 'e')[0]
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const atag = desc.tags.filter(t => t?.length >= 2 && t[0] === 'a')[0]
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const relays = desc.tags.find(t => t?.length >= 2 && t[0] === 'relays').slice(1)
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const tags = [ptag]
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if (etag) tags.push(etag)
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if (atag) tags.push(atag)
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tags.push(['bolt11', lnInv.request])
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tags.push(['description', inv.desc])
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tags.push(['preimage', lnInv.secret])
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const e = {
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kind: 9735,
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pubkey: getPublicKey(process.env.NOSTR_PRIVATE_KEY),
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created_at: Math.floor(new Date(lnInv.confirmed_at).getTime() / 1000),
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content: '',
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tags
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}
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e.id = await calculateId(e)
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e.sig = await signId(process.env.NOSTR_PRIVATE_KEY, e.id)
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console.log('zap note', e, relays)
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await Promise.allSettled(
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relays.map(async r => {
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const timeout = 1000
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const relay = await Relay.connect(r, { timeout })
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await relay.publish(e, { timeout })
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})
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)
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} catch (e) {
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console.log(e)
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}
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}
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