/// Circuits and gadgets shared across the different folding schemes.
use ark_ec::{AffineRepr, CurveGroup};
use ark_ff::Field;

pub mod nonnative;
pub mod sum_check;
pub mod utils;

/// CF1 represents the ConstraintField used for the main folding circuit which is over E1::Fr, where
/// E1 is the main curve where we do the folding.
pub type CF1<C> = <<C as CurveGroup>::Affine as AffineRepr>::ScalarField;
/// CF2 represents the ConstraintField used for the CycleFold circuit which is over E2::Fr=E1::Fq,
/// where E2 is the auxiliary curve (from [CycleFold](https://eprint.iacr.org/2023/1192.pdf)
/// approach) where we check the folding of the commitments (elliptic curve points).
pub type CF2<C> = <<C as CurveGroup>::BaseField as Field>::BasePrimeField;