@krebitdao/reputation-passport/dist/lib/ens.js

Krebit SDK for Verified Credentials

import 'isomorphic-fetch';
import { ensResolvedAddress, ensDomains } from '../queries/index.js';
import { config } from '../config/index.js';
const currentConfig = config.get();
const client = async (props) => {
    const { query, variables } = props;
    const response = await fetch(currentConfig.ensGraphUrl, {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
        },
        body: JSON.stringify({
            query: query,
            variables: variables
        })
    });
    const json = await response.json();
    return json;
};
const resolvedAddressQuery = async (props) => {
    const response = await client({
        query: ensResolvedAddress,
        variables: props
    });
    return response.data.domains;
};
const domainNameQuery = async (address) => {
    const id = address.toLowerCase();
    const response = await client({
        query: ensDomains,
        variables: { id }
    });
    return response.data?.account ? response.data.account.domains : [];
};
// ensResolvedAddress from subgraph
const resolveName = async (name) => {
    const where = {
        name: name
    };
    //Get ensResolvedAddress from subgraph
    const addresses = await resolvedAddressQuery({
        first: 1,
        orderBy: 'id',
        orderDirection: 'desc',
        where
    });
    return addresses.length > 0 ? addresses[0].resolvedAddress.id : null;
};
// domainNameQuery from subgraph
const lookupAddress = async (address) => {
    const domains = await domainNameQuery(address);
    const domain = domains.length > 0 ? domains[0].name : null;
    //console.debug('ENS:', domain);
    return domain;
};
export const ens = {
    client,
    resolveName,
    lookupAddress
};