ens-proxy/pages/api/text.ts

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