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 = 41058363725152142129326129780047268409114441015993725554835256314039467401291
35    const COEFF_B: Fq =
36        MontFp!("41058363725152142129326129780047268409114441015993725554835256314039467401291");
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/// 0x6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296
44pub const G_GENERATOR_X: Fq =
45    MontFp!("48439561293906451759052585252797914202762949526041747995844080717082404635286");
46
47/// G_GENERATOR_Y =
48/// 0x4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5
49pub const G_GENERATOR_Y: Fq =
50    MontFp!("36134250956749795798585127919587881956611106672985015071877198253568414405109");