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The full code: https://plnkr.co/edit/WYDB9fOvmRoUvCVw

Testing on the mainnet because: ENS on Rinkeby - Network does not support ENS?

1️⃣ setSubnodeOwner works

https://etherscan.io/tx/0xfc88211f5ac3ca51dbcc9f39b6d00f4ce39c25febb248256bdc3925818c2e677

web3.eth.ens.('dearmoon.eth', 'hack', accounts[0], {from: accounts[0]}).then(function (receipt) {
    console.log(receipt); 
});

2️⃣ setResolver works

https://etherscan.io/tx/0x562c26d3770804586ba9a432dc8ad9e22b02956dc81c3aec72ddb89e28f908e8

web3.eth.ens.setResolver('hack.dearmoon.eth', '0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e', {from: accounts[0]}).then(function (receipt) {
    console.log(receipt);
});

3️⃣ setAddress fails

https://etherscan.io/tx/0x2f077a521c5824ebecd8e9306a3f96dc955ec7bcb4f18c8e9fc781f7498c6af9

(Metamask told me it will fail but I send it anyway hoping for some helpful revert message)

web3.eth.ens.setAddress('hack.dearmoon.eth', '0x614962025820c57d6af5acff56b5879237daf559', { from: accounts[0] }).then(function (result) {
  console.log(result.events);
});

I'm using: https://web3js.readthedocs.io/en/v1.2.7/web3-eth-ens.html#setaddress

Do you know why setAddress fails? 🤷‍♀️


Existing research, good links:

  1. https://github.com/ensdomains/subdomain-registrar - not good, the transfer is irrevocable, I need flexibility.

  2. https://www.toptal.com/dapp/ethereum-name-service-dapp-tutorial - this is actually quite clever, including smart contract that does everything in a single transaction: https://github.com/radek1st/ens-subdomain-factory/blob/master/contracts/EnsSubdomainFactory.sol#L73-L79

registry.setSubnodeOwner(domainNamehash, subdomainLabelhash, address(this));
registry.setResolver(subdomainNamehash, resolver);
resolver.setAddr(subdomainNamehash, _target);
registry.setOwner(subdomainNamehash, _owner);

I'm thinking about using it but before doing complicated stuff I prefer to learn basics first.

Longer-term I would like to anyone register a subdomain but without me losing ownership.

0

Super obvious.

In step 2️⃣ should use the address of the public resolver: https://etherscan.io/address/0x4976fb03C32e5B8cfe2b6cCB31c09Ba78EBaBa41

From Gitter chat:

enter image description here

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