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Start simplifying LNURL code with NLib

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This commit is contained in:
Alex Gleason
2024-01-22 12:35:30 -06:00
parent 0a1b6cdf4f
commit d73fa7a311
5 changed files with 12 additions and 56 deletions
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14
src/utils/lnurl.test.ts
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@@ -1,14 +0,0 @@
import { assertEquals } from '@/deps-test.ts';
import { lnurlDecode, lnurlEncode } from './lnurl.ts';
const lnurl = 'lnurl1dp68gurn8ghj7um5v93kketj9ehx2amn9uh8wetvdskkkmn0wahz7mrww4excup0dajx2mrv92x9xp';
const url = 'https://stacker.news/.well-known/lnurlp/odell';
Deno.test('lnurlEncode', () => {
assertEquals(lnurlEncode(url), lnurl);
});
Deno.test('lnurlDecode', () => {
assertEquals(lnurlDecode(lnurl), url);
});

23
src/utils/lnurl.ts
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@@ -1,19 +1,4 @@
import { bech32 } from '@/deps.ts';
/** Encode a URL to LNURL format. */
function lnurlEncode(url: string, limit = 2000): `lnurl1${string}` {
const data = new TextEncoder().encode(url);
const words = bech32.toWords(data);
return bech32.encode('lnurl', words, limit);
}
/** Decode a LNURL into a URL. */
function lnurlDecode(lnurl: string, limit = 2000): string {
const { prefix, words } = bech32.decode(lnurl, limit);
if (prefix !== 'lnurl') throw new Error('Invalid LNURL');
const data = new Uint8Array(bech32.fromWords(words));
return new TextDecoder().decode(data);
}
import { LNURL } from '@/deps.ts';
/** Get an LNURL from a lud06 or lud16. */
function getLnurl({ lud06, lud16 }: { lud06?: string; lud16?: string }, limit?: number): string | undefined {
@@ -21,10 +6,10 @@ function getLnurl({ lud06, lud16 }: { lud06?: string; lud16?: string }, limit?:
if (lud16) {
const [name, host] = lud16.split('@');
if (name && host) {
const url = new URL(`/.well-known/lnurlp/${name}`, `https://${host}`).toString();
return lnurlEncode(url, limit);
const url = new URL(`/.well-known/lnurlp/${name}`, `https://${host}`);
return LNURL.encode(url, limit);
}
}
}
export { getLnurl, lnurlDecode, lnurlEncode };
export { getLnurl };