18 lines
521 B
JavaScript
18 lines
521 B
JavaScript
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import { randomBytes } from 'crypto'
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import { bech32 } from 'bech32'
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export function lnurlAuth (params) {
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// generate secret (32 random bytes)
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const secret = Buffer.from(randomBytes(32), 'hex')
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// create url
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const url = new URL(process.env.LNAUTH_URL)
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url.searchParams = new URLSearchParams({
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...params,
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k1: secret
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})
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// bech32 encode url
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const words = bech32.toWords(Buffer.from(url.toString(), 'utf8'))
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const encodedUrl = bech32.encode('lnurl', words, 1023)
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return { secret, encodedUrl }
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}
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