makoto

ENSv2 contract names — Sepolia (2026-07-30) × Jeff versioning

Comparison of the ENSv2 Contract Names Notion catalog against:

• Sepolia deploy deploy/sepolia-migration-20260731 (deployedAt: 2026-07-30T17:34:25.243Z)
• Jeff Lau’s on-chain contract versioning gist

Namespace: v2.ens.eth
Sepolia version: v1
Coin type: addr(0x80aa36a7) (0x80000000 | 11155111)

makoto

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

error ErrorWithNoParams();
error ErrorWithParams(int x, string errorMessage);

contract TestCustomError {
    address payable owner = payable(msg.sender);

    function CustomErrorWithParamsView(int _x) external pure {

makoto

pragma solidity ^0.8.4;

error ErrorWithNoParams();
error ErrorWithParams(int x, string errorMessage);

contract TestCustomError {
    address payable owner = payable(msg.sender);

    function CustomErrorNoParams() public {
        revert ErrorWithNoParams();

makoto

makoto

const Web3 = require('web3') 
const Web3Legacy = require('web3legacy')
console.log('web3 version', (new Web3()).version)
console.log('web3 legacy version', (new Web3Legacy()).version)
// Do "export INFURA_PROJECT_ID=YOURPROJECTID" on your terminal
const projectid = process.env.INFURA_PROJECT_ID
const endpoint = 'https://mainnet.infura.io/v3/' + projectid
const provider = new Web3.providers.HttpProvider(endpoint)
const legacyProvider = new Web3Legacy.providers.HttpProvider(endpoint)
const web3 = new Web3(provider)

makoto

const namehash = require('eth-ens-namehash').hash
document.querySelector('input').value = 'matoken.eth'
window.namehash = namehash
var sayHello = function(){
  var name = document.querySelector('input').value
  console.log(namehash(name))
}

makoto

makoto@Makotos-MacBook-Air: [~/src/tmp/univesal -  (master)] $ more package.json 
{
  "name": "univesal",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "start:dev": "universal-login start:dev"
  },

makoto

makoto@Makotos-MacBook-Air: [~/src/tmp/univesal -  (master)] $ more package.json 
{
  "name": "univesal",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "start:dev": "universal-login start:dev"
  },

makoto

makoto@Makotos-MacBook-Air: [~/work/blockparty -  (coverage)] $ myth -x contracts/Conference.sol 



==== Integer Overflow  ====
Type: Warning
Contract: Unknown
Function name: _function_0x05f203d9
PC address: 543
A possible integer overflow exists in the function `_function_0x05f203d9`.

makoto

makoto@Makotos-MacBook-Air: [~/work/ens/dnsprove-js -  (dnsprove)] $ ls node_modules/@ensdomains/dnssec-oracle/contracts/RSASHA1Algorithm.sol
node_modules/@ensdomains/dnssec-oracle/contracts/RSASHA1Algorithm.sol
makoto@Makotos-MacBook-Air: [~/work/ens/dnsprove-js -  (dnsprove)] $ ls node_modules/dnssec-oracle/contracts/RSASHA1Algorithm.sol
node_modules/dnssec-oracle/contracts/RSASHA1Algorithm.sol
makoto@Makotos-MacBook-Air: [~/work/ens/dnsprove-js -  (dnsprove)] $ node inspect node_modules/.bin/truffle migrate
< Debugger listening on ws://127.0.0.1:9229/12a647df-fb0d-45da-a906-0db3172da72b
< For help see https://nodejs.org/en/docs/inspector
< Debugger attached.
debug> c
Break on start in node_modules/truffle/build/cli.bundled.js:1