1use ark_ec::{
 2    models::CurveConfig,
 3    short_weierstrass::{self as sw, SWCurveConfig},
 4};
 5use ark_ff::{Field, MontFp};
 6
 7use crate::{fq::Fq, fr::Fr};
 8
 9#[cfg(test)]
10mod tests;
11
12pub type Affine = sw::Affine<Config>;
13pub type Projective = sw::Projective<Config>;
14
15#[derive(Copy, Clone, Default, PartialEq, Eq)]
16pub struct Config;
17
18impl CurveConfig for Config {
19    type BaseField = Fq;
20    type ScalarField = Fr;
21
22    /// COFACTOR = 1
23    const COFACTOR: &'static [u64] = &[0x1];
24
25    /// COFACTOR_INV = COFACTOR^{-1} mod r = 1
26    #[rustfmt::skip]
27    const COFACTOR_INV: Fr =  Fr::ONE;
28}
29
30impl SWCurveConfig for Config {
31    /// COEFF_A = -3
32    const COEFF_A: Fq = MontFp!("-3");
33
34    /// COEFF_B = 27580193559959705877849011840389048093056905856361568521428707301988689241309860865136260764883745107765439761230575
35    const COEFF_B: Fq =
36        MontFp!("27580193559959705877849011840389048093056905856361568521428707301988689241309860865136260764883745107765439761230575");
37
38    /// GENERATOR = (G_GENERATOR_X, G_GENERATOR_Y)
39    const GENERATOR: Affine = Affine::new_unchecked(G_GENERATOR_X, G_GENERATOR_Y);
40}
41
42/// G_GENERATOR_X =
43/// 26247035095799689268623156744566981891852923491109213387815615900925518854738050089022388053975719786650872476732087
44pub const G_GENERATOR_X: Fq =
45    MontFp!("26247035095799689268623156744566981891852923491109213387815615900925518854738050089022388053975719786650872476732087");
46
47/// G_GENERATOR_Y =
48/// 8325710961489029985546751289520108179287853048861315594709205902480503199884419224438643760392947333078086511627871
49pub const G_GENERATOR_Y: Fq =
50    MontFp!("8325710961489029985546751289520108179287853048861315594709205902480503199884419224438643760392947333078086511627871");