~Will probably be mostly supplanted by #32224, but this should do for
now for devnet 3.~
Seems like #32224 is going to take some more time, so I have completed
the implementation of eth_config here. It is quite a bit simpler to
implement now that the config hashing was removed.
---------
Co-authored-by: MariusVanDerWijden <m.vanderwijden@live.de>
Co-authored-by: Guillaume Ballet <3272758+gballet@users.noreply.github.com>
Co-authored-by: rjl493456442 <garyrong0905@gmail.com>
