internal/ethapi: add transient storage override support for eth_call

[hero5512]

this pr implements #32671, adding an override for the transient storage function in eth_call.

[lightclient]

@s1na do these types of overrides need to be represented in rpc specs?

[lightclient]

@hero5512 this is still a draft - is that intentional?

[hero5512]

@hero5512 this is still a draft - is that intentional?

Yes, there are still some issues with this PR.

[hero5512]

@s1na This pr is ready to review. Please take a look.

[s1na]

@s1na do these types of overrides need to be represented in rpc specs?

@lightclient The good: they are all standardized as part of eth_simulateV1

The bad: not specified in the specs for eth_call and eth_estimateGas

The ugly: I think only geth and reth support them in eth_call and eth_estimateGas

[s1na]

I don't like adding transient storage to the state overrides. They are different. State overrides can be for a longer context than a transaction, e.g. in eth_simulateV1 you do a state override per block. I'd add it as a new parameter.

[hero5512]

I don't like adding transient storage to the state overrides. They are different. State overrides can be for a longer context than a transaction, e.g. in eth_simulateV1 you do a state override per block. I'd add it as a new parameter.

okay. I've refactored the implementation to separate transient storage overrides into a seperate parameter.