import type { VercelRequest, VercelResponse } from '@vercel/node' import { getEnsName } from './name' import { getEnsTextRecords } from './text' interface ProfileLink { key: string value: string } interface Profile { name: string url?: string avatar?: string description?: string links?: ProfileLink[] } function getEnsAvatar(ensName: string): string { return ensName ? `https://metadata.ens.domains/mainnet/avatar/${ensName}` : 'null' } export async function getEnsProfile(accountId: string): Promise { const name = await getEnsName(accountId) if (!name) return { name: 'null' } const records = await getEnsTextRecords(name) if (!records) return { name } const avatar = records.filter((record) => record.key === 'avatar')[0]?.value const description = records.filter( (record) => record.key === 'description' )[0]?.value // filter out what we need from the fetched text records const linkKeys = [ 'url', 'com.twitter', 'com.github', 'org.telegram', 'com.discord', 'com.reddit' ] const links: ProfileLink[] = records.filter((record) => linkKeys.includes(record.key) ) const profile: Profile = { name, ...(avatar && { avatar: getEnsAvatar(name) }), ...(description && { description }), ...(links.length > 0 && { links }) } return profile } export default async function EnsProfileApi( request: VercelRequest, response: VercelResponse ) { try { const accountId = String(request.query.address) const profile = await getEnsProfile(accountId) response.setHeader('Cache-Control', 'max-age=0, s-maxage=86400') response.status(200).send({ profile }) } catch (error) { response.send({ error }) } }