65 lines
1.8 KiB
TypeScript
65 lines
1.8 KiB
TypeScript
import type { VercelRequest, VercelResponse } from '@vercel/node'
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import { gql, OperationResult } from 'urql'
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import { fetchData, getProvider } from './_utils'
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const ProfileTextRecordsQuery = gql<{
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domains: [{ resolver: { texts: string[] } }]
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}>`
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query ProfileTextRecords($name: String!) {
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domains(where: { name: $name }) {
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resolver {
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texts
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}
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}
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}
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`
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export async function getEnsTextRecords(
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ensName: string
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): Promise<{ key: string; value: string }[]> {
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// 1. Check which text records are set for the domain with ENS subgraph,
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// to prevent unnecessary contract calls.
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const result: OperationResult<{
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domains: [{ resolver: { texts: string[] } }]
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}> = await fetchData(
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ProfileTextRecordsQuery,
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{ name: ensName },
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{
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url: `https://api.thegraph.com/subgraphs/name/ensdomains/ens`,
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requestPolicy: 'cache-and-network'
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}
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)
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console.log('result?.data?.domains[0]?.resolver', result)
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if (!result?.data?.domains[0]?.resolver) throw 'No ENS text records found'
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// 2. Retrieve the text records.
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const { texts } = result.data.domains[0].resolver
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const records = []
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const provider = await getProvider()
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const resolver = await provider.getResolver(ensName)
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for (let index = 0; index < texts?.length; index++) {
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const key = texts[index]
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const value = await resolver.getText(key)
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records.push({ key, value })
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}
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return records
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}
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export default async function ensTextApi(
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request: VercelRequest,
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response: VercelResponse
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) {
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try {
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const ensName = String(request.query.name)
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const records = await getEnsTextRecords(ensName)
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response.setHeader('Cache-Control', 'max-age=0, s-maxage=86400')
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response.status(200).send(records)
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} catch (error) {
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response.status(500).send(`${error}`)
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}
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}
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