relayers-network-ui/services/ENS/ens.ts

import { ChainId } from '@/types'

import { getProvider } from '@/services'

import { RELAYER_GRAPH } from '@/constants'

async function getEnsOwner(ensName: string, chainId: ChainId) {
  try {
    const { provider } = getProvider(chainId)
    const ownerAddress = await provider.resolveName(ensName)

    return ownerAddress
  } catch (err) {
    return undefined
  }
}

async function getRelayerEnsName(ensHash: string) {
  try {
    const response = await fetch(RELAYER_GRAPH, {
      body: JSON.stringify({
        query: `{
            relayers(first: 1, where: {ensHash: "${ensHash}"}){
                ensName
              }
          }`,
      }),
      method: 'POST',
    })

    const { data } = await response.json()

    if (!data.relayers.length) throw new Error('ens hash does not belong to relayer')

    return data.relayers[0].ensName
  } catch (err) {
    throw new Error(err.message)
  }
}

export { getEnsOwner, getRelayerEnsName }