51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
import { fetchWithTimeout } from '@/lib/fetch'
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import { msatsSatsFloor } from '@/lib/format'
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import { lnAddrOptions } from '@/lib/lnurl'
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import { assertContentTypeJson, assertResponseOk } from '@/lib/url'
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export * from '@/wallets/lightning-address'
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export const testCreateInvoice = async ({ address }, { signal }) => {
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return await createInvoice({ msats: undefined }, { address }, { signal })
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}
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export const createInvoice = async (
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{ msats, description },
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{ address },
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{ signal }
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) => {
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const { min, callback, commentAllowed } = await lnAddrOptions(address, { signal })
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const callbackUrl = new URL(callback)
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if (!msats) {
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// use min sendable amount by default
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msats = 1_000 * min
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}
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// create invoices with a minimum amount of 1 sat
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msats = Math.max(msats, 1_000)
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// most lnurl providers suck nards so we have to floor to nearest sat
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msats = msatsSatsFloor(msats)
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callbackUrl.searchParams.append('amount', msats)
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if (commentAllowed >= description?.length) {
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callbackUrl.searchParams.append('comment', description)
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}
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// call callback with amount and conditionally comment
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const method = 'GET'
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const res = await fetchWithTimeout(callbackUrl.toString(), { method, signal })
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assertResponseOk(res, { method })
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assertContentTypeJson(res, { method })
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const body = await res.json()
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if (body.status === 'ERROR') {
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throw new Error(body.reason)
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}
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return body.pr
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}
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