viem
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JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getEnsName = getEnsName;
const abis_js_1 = require("../../constants/abis.js");
const getChainContractAddress_js_1 = require("../../utils/chain/getChainContractAddress.js");
const toHex_js_1 = require("../../utils/encoding/toHex.js");
const errors_js_1 = require("../../utils/ens/errors.js");
const packetToBytes_js_1 = require("../../utils/ens/packetToBytes.js");
const getAction_js_1 = require("../../utils/getAction.js");
const readContract_js_1 = require("../public/readContract.js");
async function getEnsName(client, { address, blockNumber, blockTag, gatewayUrls, strict, universalResolverAddress: universalResolverAddress_, }) {
let universalResolverAddress = universalResolverAddress_;
if (!universalResolverAddress) {
if (!client.chain)
throw new Error('client chain not configured. universalResolverAddress is required.');
universalResolverAddress = (0, getChainContractAddress_js_1.getChainContractAddress)({
blockNumber,
chain: client.chain,
contract: 'ensUniversalResolver',
});
}
const reverseNode = `${address.toLowerCase().substring(2)}.addr.reverse`;
try {
const readContractParameters = {
address: universalResolverAddress,
abi: abis_js_1.universalResolverReverseAbi,
functionName: 'reverse',
args: [(0, toHex_js_1.toHex)((0, packetToBytes_js_1.packetToBytes)(reverseNode))],
blockNumber,
blockTag,
};
const readContractAction = (0, getAction_js_1.getAction)(client, readContract_js_1.readContract, 'readContract');
const [name, resolvedAddress] = gatewayUrls
? await readContractAction({
...readContractParameters,
args: [...readContractParameters.args, gatewayUrls],
})
: await readContractAction(readContractParameters);
if (address.toLowerCase() !== resolvedAddress.toLowerCase())
return null;
return name;
}
catch (err) {
if (strict)
throw err;
if ((0, errors_js_1.isNullUniversalResolverError)(err, 'reverse'))
return null;
throw err;
}
}
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