Find out what `Params` we can use

[nanne007]

KZG setup params are a list of public common data. see https://docs.scroll.io/en/learn/zero-knowledge/kzg-commitment-scheme/#1-trusted-setup For a start, we can use what params scroll use. Find out and fill them in to src/param.move

[luxebeng]

there is a reference implementation at Axiom: https://docs.axiom.xyz/transparency-and-security/kzg-trusted-setup

1. read from file and parser information of Params https://github.com/axiom-crypto/halo2-lib/blob/community-edition/halo2-base/src/utils/mod.rs#L392-#L456

2. Pass Params from off-chain to on-chain through write/read APIs。

   let mut data = vec![];
   <ParamsKZG<_> as Params<_>>::write(&params0, &mut data).unwrap();
   let params1: ParamsKZG<Bn256> = Params::read::<_>(&mut &data[..]).unwrap();

[nanne007]

Yes, we can use that. great!