L2: isPublicAvailable

[pikonha]

Feature Request

We need to have a way to know whether the domain enables anyone to register a subdomain (e.g. base.eth, arb.eth)

Describe Preferred Solution

Fetch it from the ENS Registry operators mapping.

Architecture Diagram

sequenceDiagram
    Client -->> UniversalResolver: resolve(node, registerParams())
    UniversalResolver -->> L1Resolver: registerParams()
    L1Resolver -->> UniversalResolver: revert OffchainLookup
    UniversalResolver-->>Client: revert OffchainLookup
    Client -->> Gateway: {registerParams()}.json
    Gateway -->> SubdomainController: `getStorageAt`
    Gateway -->> Client: return storage proof
    Client -->> L1Resolver: registerParamsCallback(results, extraData)
    L1Resolver -->> ArbitrumVerifier: `getStorageValues`
    ArbitrumVerifier -->>L1Resolver: return data
    L1Resolver -->> Client: return data

Loading

QA Replication steps

1. call registerParams
2. receive an isPublicAvailable boolean property