Mark Tyneway

A rebase will fix `op-heartbeat tests`

Now is a good time to get this merged @roninjin10

@roninjin10 I've rebased this PR, my one question is why we have the cloud package installed + it configured, its going to be a noop?

ok i broke something

Try using the devnet with `make devnet-up`

Is this ready for review?

@maurelian I've added tests for legacy tokens and included the impl of the legacy token since this has been waiting in review for awhile, I figured I'd just push the...

Thanks for being interested in optimism. Why do you need the sdk to deploy the token? There is a new typescript package [here](https://github.com/ethereum-optimism/optimism/tree/develop/packages/contracts-ts) that may be useful. If not, what...

I am guessing you would like to test deposits and withdrawals end to end? I don't think the `contracts-ts` package will give as nice of UX as the sdk for...

I started work here but no guarantee this is complete or fully works: https://github.com/ethereum-optimism/optimism/tree/feat/sdk-ethersv6