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Describe the feature you would like

Initial idea from #9303 (comment)

RpcOpts and EvmArgs are incompatible due to overlapping fields. It would be nice to refactor them.

I imagine this overlap is due to older design decisions, so please let me know if there special things to "not touch" or to take care.

I would be of course happy to propose a fix 👍

Additional context

This would make the resolution of #9303 and #11907 way easier and cleaner.