NIP-46: request target proof-of-work difficulty when signing events
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7ed34a0906
commit
6868f39719
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@ -91,7 +91,7 @@ function withProof(
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async function obtainProof(c: AppContext, opts?: ParseAuthRequestOpts) {
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const req = localRequest(c);
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const reqEvent = await buildAuthEventTemplate(req, opts);
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const resEvent = await signEvent(reqEvent, c);
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const resEvent = await signEvent(reqEvent, c, opts);
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const result = await validateAuthEvent(req, resEvent, opts);
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if (result.success) {
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23
src/sign.ts
23
src/sign.ts
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@ -8,13 +8,22 @@ import { Sub } from '@/subs.ts';
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import { eventMatchesTemplate, Time } from '@/utils.ts';
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import { createAdminEvent } from '@/utils/web.ts';
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interface SignEventOpts {
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/** Target proof-of-work difficulty for the signed event. */
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pow?: number;
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}
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/**
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* Sign Nostr event using the app context.
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*
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* - If a secret key is provided, it will be used to sign the event.
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* - If `X-Nostr-Sign` is passed, it will use NIP-46 to sign the event.
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*/
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async function signEvent<K extends number = number>(event: EventTemplate<K>, c: AppContext): Promise<Event<K>> {
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async function signEvent<K extends number = number>(
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event: EventTemplate<K>,
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c: AppContext,
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opts: SignEventOpts = {},
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): Promise<Event<K>> {
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const seckey = c.get('seckey');
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const header = c.req.headers.get('x-nostr-sign');
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@ -23,7 +32,7 @@ async function signEvent<K extends number = number>(event: EventTemplate<K>, c:
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}
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if (header) {
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return await signNostrConnect(event, c);
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return await signNostrConnect(event, c, opts);
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}
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throw new HTTPException(400, {
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@ -32,7 +41,11 @@ async function signEvent<K extends number = number>(event: EventTemplate<K>, c:
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}
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/** Sign event with NIP-46, waiting in the background for the signed event. */
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async function signNostrConnect<K extends number = number>(event: EventTemplate<K>, c: AppContext): Promise<Event<K>> {
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async function signNostrConnect<K extends number = number>(
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event: EventTemplate<K>,
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c: AppContext,
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opts: SignEventOpts = {},
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): Promise<Event<K>> {
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const pubkey = c.get('pubkey');
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if (!pubkey) {
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@ -48,7 +61,9 @@ async function signNostrConnect<K extends number = number>(event: EventTemplate<
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JSON.stringify({
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id: messageId,
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method: 'sign_event',
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params: [event],
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params: [event, {
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pow: opts.pow,
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}],
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}),
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),
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tags: [['p', pubkey]],
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