To be backwards compatible, we should follow this document: https://github.com/ethereum-optimism/design-docs/blob/main/smart-contract-feature-development.md

This would mean we create a L1BlockInterop contract (we may already have one)

Did you mean to make this just a benchmark PR? If so this looks good to me

Did you mean to make this just a benchmark PR? If so this looks good to me

Yes! The idea is to add it that branch, so it can be reviewed on this PR: #11362
I had to push it from our repo because I don't have permission to push directly. But the idea is that @skeletor_spaceman merges it into his branch the solidity files have the requested changes :)

This would mean we create a L1BlockInterop contract (we may already have one)

Yes, this was also pushed to that same branch. The L1BlockInterop already exists so we basically added the new functions on it!

But of course, if something is wrong or missing, let us know so we can push the changes

This would mean we create a L1BlockInterop contract (we may already have one)

Yes, this was also pushed to that same branch. The L1BlockInterop already exists so we basically added the new functions on it!

But of course, if something is wrong or missing, let us know so we can push the changes

Ah ok, apologies if i misread something!

Thank you for breaking this up into a small PR, i mistook this as for onto develop