Files
ditto/src/schemas/nostr.ts
2024-05-18 13:22:20 -05:00

36 lines
1.5 KiB
TypeScript

import { NSchema as n } from '@nostrify/nostrify';
import { getEventHash, verifyEvent } from 'nostr-tools';
import { z } from 'zod';
import { safeUrlSchema } from '@/schema.ts';
/** Nostr event schema that also verifies the event's signature. */
const signedEventSchema = n.event()
.refine((event) => event.id === getEventHash(event), 'Event ID does not match hash')
.refine(verifyEvent, 'Event signature is invalid');
/** Kind 0 content schema for the Ditto server admin user. */
const serverMetaSchema = n.metadata().and(z.object({
tagline: z.string().optional().catch(undefined),
email: z.string().optional().catch(undefined),
}));
/** NIP-11 Relay Information Document. */
const relayInfoDocSchema = z.object({
name: z.string().transform((val) => val.slice(0, 30)).optional().catch(undefined),
description: z.string().transform((val) => val.slice(0, 3000)).optional().catch(undefined),
pubkey: n.id().optional().catch(undefined),
contact: safeUrlSchema.optional().catch(undefined),
supported_nips: z.number().int().nonnegative().array().optional().catch(undefined),
software: safeUrlSchema.optional().catch(undefined),
icon: safeUrlSchema.optional().catch(undefined),
});
/** Parses a Nostr emoji tag. */
const emojiTagSchema = z.tuple([z.literal('emoji'), z.string(), z.string().url()]);
/** NIP-30 custom emoji tag. */
type EmojiTag = z.infer<typeof emojiTagSchema>;
export { type EmojiTag, emojiTagSchema, relayInfoDocSchema, serverMetaSchema, signedEventSchema };