Cache the LNURL response
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@ -88,6 +88,7 @@ export { default as stringifyStable } from 'npm:fast-stable-stringify@^1.0.0';
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export { default as Debug } from 'npm:debug@^4.3.4';
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export {
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LNURL,
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type LNURLDetails,
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type MapCache,
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NIP05,
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} from 'https://gitlab.com/soapbox-pub/nlib/-/raw/137af48cbc2639a8969d233fc24d2b959f34782a/mod.ts';
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@ -1,8 +1,9 @@
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import { Conf } from '@/config.ts';
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import { encryptAdmin } from '@/crypto.ts';
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import { addRelays } from '@/db/relays.ts';
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import { deleteAttachedMedia } from '@/db/unattached-media.ts';
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import { findUser } from '@/db/users.ts';
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import { Debug, type Event, LNURL } from '@/deps.ts';
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import { Debug, type Event } from '@/deps.ts';
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import { isEphemeralKind } from '@/kinds.ts';
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import { isLocallyFollowed } from '@/queries.ts';
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import { lnurlCallbackResponseSchema } from '@/schemas/lnurl.ts';
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@ -16,7 +17,7 @@ import { fetchWorker } from '@/workers/fetch.ts';
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import { TrendsWorker } from '@/workers/trends.ts';
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import { verifySignatureWorker } from '@/workers/verify.ts';
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import { signAdminEvent } from '@/sign.ts';
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import { encryptAdmin } from '@/crypto.ts';
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import { lnurlCache } from '@/utils/lnurl.ts';
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const debug = Debug('ditto:pipeline');
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@ -169,7 +170,7 @@ async function submitZaps(event: Event, data: EventData, signal = AbortSignal.ti
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const amount = event.tags.find(([name]) => name === 'amount')?.[1];
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if (lnurl && amount) {
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try {
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const details = await LNURL.lookup(lnurl, { fetch: fetchWorker, signal });
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const details = await lnurlCache.fetch(lnurl, { signal });
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if (details.tag === 'payRequest' && details.allowsNostr && details.nostrPubkey) {
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const callback = new URL(details.callback);
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const params = new URLSearchParams();
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@ -1,4 +1,24 @@
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import { LNURL } from '@/deps.ts';
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import { Debug, LNURL, type LNURLDetails } from '@/deps.ts';
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import { SimpleLRU } from '@/utils/SimpleLRU.ts';
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import { Time } from '@/utils/time.ts';
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import { fetchWorker } from '@/workers/fetch.ts';
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const debug = Debug('ditto:lnurl');
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const lnurlCache = new SimpleLRU<string, LNURLDetails>(
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async (lnurl, { signal }) => {
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debug(`Lookup ${lnurl}`);
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try {
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const result = await LNURL.lookup(lnurl, { fetch: fetchWorker, signal });
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debug(`Found: ${lnurl}`);
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return result;
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} catch (e) {
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debug(`Not found: ${lnurl}`);
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throw e;
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}
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},
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{ max: 1000, ttl: Time.minutes(30) },
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);
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/** Get an LNURL from a lud06 or lud16. */
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function getLnurl({ lud06, lud16 }: { lud06?: string; lud16?: string }, limit?: number): string | undefined {
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@ -12,4 +32,4 @@ function getLnurl({ lud06, lud16 }: { lud06?: string; lud16?: string }, limit?:
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}
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}
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export { getLnurl };
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export { getLnurl, lnurlCache };
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