stacker.news/wallets/lnbits/server.js

56 lines
1.5 KiB
JavaScript

import { msatsToSats } from '@/lib/format'
import { getAgent } from '@/lib/proxy'
import { assertContentTypeJson } from '@/lib/url'
import fetch from 'cross-fetch'
export * from 'wallets/lnbits'
export async function testCreateInvoice ({ url, invoiceKey }) {
return await createInvoice({ msats: 1000, expiry: 1 }, { url, invoiceKey })
}
export async function createInvoice (
{ msats, description, descriptionHash, expiry },
{ url, invoiceKey }) {
const path = '/api/v1/payments'
const headers = new Headers()
headers.append('Accept', 'application/json')
headers.append('Content-Type', 'application/json')
headers.append('X-Api-Key', invoiceKey)
// lnbits doesn't support msats so we have to floor to nearest sat
const sats = msatsToSats(msats)
const body = JSON.stringify({
amount: sats,
unit: 'sat',
expiry,
memo: description,
out: false
})
let hostname = url.replace(/^https?:\/\//, '')
const agent = getAgent({ hostname })
if (process.env.NODE_ENV !== 'production' && hostname.startsWith('localhost:')) {
// to make it possible to attach LNbits for receives during local dev
hostname = 'lnbits:5000'
}
const res = await fetch(`${agent.protocol}//${hostname}${path}`, {
method: 'POST',
headers,
agent,
body
})
if (!res.ok) {
assertContentTypeJson(res)
const errBody = await res.json()
throw new Error(errBody.detail)
}
const payment = await res.json()
return payment.payment_request
}