119 lines
3.7 KiB
JavaScript
119 lines
3.7 KiB
JavaScript
import { parseNwcUrl } from '@/lib/url'
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import { Relay, finalizeEvent, nip04 } from 'nostr-tools'
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export * from 'wallets/nwc'
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export async function validate ({ nwcUrl }, { logger }) {
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const { relayUrl, walletPubkey } = parseNwcUrl(nwcUrl)
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logger.info(`requesting info event from ${relayUrl}`)
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const relay = await Relay
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.connect(relayUrl)
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.catch(() => {
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// NOTE: passed error is undefined for some reason
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const msg = `failed to connect to ${relayUrl}`
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logger.error(msg)
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throw new Error(msg)
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})
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logger.ok(`connected to ${relayUrl}`)
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try {
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await new Promise((resolve, reject) => {
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let found = false
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const sub = relay.subscribe([
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{
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kinds: [13194],
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authors: [walletPubkey]
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}
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], {
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onevent (event) {
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found = true
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logger.ok(`received info event from ${relayUrl}`)
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resolve(event)
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},
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onclose (reason) {
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if (!['closed by caller', 'relay connection closed by us'].includes(reason)) {
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// only log if not closed by us (caller)
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const msg = 'connection closed: ' + (reason || 'unknown reason')
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logger.error(msg)
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reject(new Error(msg))
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}
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},
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oneose () {
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if (!found) {
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const msg = 'EOSE received without info event'
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logger.error(msg)
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reject(new Error(msg))
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}
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sub?.close()
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}
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})
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})
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} finally {
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// For some reason, this throws 'WebSocket is already in CLOSING or CLOSED state'
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// even though relay connection is still open here
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relay?.close()?.catch()
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if (relay) logger.info(`closed connection to ${relayUrl}`)
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}
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}
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export async function sendPayment (bolt11, { nwcUrl }, { logger }) {
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const { relayUrl, walletPubkey, secret } = parseNwcUrl(nwcUrl)
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const relay = await Relay.connect(relayUrl).catch(() => {
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// NOTE: passed error is undefined for some reason
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throw new Error(`failed to connect to ${relayUrl}`)
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})
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logger.ok(`connected to ${relayUrl}`)
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try {
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const ret = await new Promise(function (resolve, reject) {
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(async function () {
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const payload = {
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method: 'pay_invoice',
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params: { invoice: bolt11 }
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}
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const content = await nip04.encrypt(secret, walletPubkey, JSON.stringify(payload))
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const request = finalizeEvent({
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kind: 23194,
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created_at: Math.floor(Date.now() / 1000),
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tags: [['p', walletPubkey]],
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content
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}, secret)
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await relay.publish(request)
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const filter = {
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kinds: [23195],
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authors: [walletPubkey],
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'#e': [request.id]
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}
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relay.subscribe([filter], {
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async onevent (response) {
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try {
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const content = JSON.parse(await nip04.decrypt(secret, walletPubkey, response.content))
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if (content.error) return reject(new Error(content.error.message))
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if (content.result) return resolve({ preimage: content.result.preimage })
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} catch (err) {
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return reject(err)
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}
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},
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onclose (reason) {
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if (!['closed by caller', 'relay connection closed by us'].includes(reason)) {
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// only log if not closed by us (caller)
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const msg = 'connection closed: ' + (reason || 'unknown reason')
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reject(new Error(msg))
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}
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}
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})
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})().catch(reject)
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})
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return ret
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} finally {
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// For some reason, this throws 'WebSocket is already in CLOSING or CLOSED state'
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// even though relay connection is still open here
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relay?.close()?.catch()
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if (relay) logger.info(`closed connection to ${relayUrl}`)
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}
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}
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