use ark_ec::PairingEngine;
use ark_ff::bytes::ToBytes;
use ark_serialize::*;
use ark_std::{
io::{self, Result as IoResult},
vec::Vec,
};
#[derive(PartialEq, Eq, Clone, Default, CanonicalSerialize, CanonicalDeserialize)]
pub struct Proof<E: PairingEngine> {
#[doc(hidden)]
pub a: E::G1Affine,
#[doc(hidden)]
pub b: E::G2Affine,
#[doc(hidden)]
pub c: E::G1Affine,
}
impl<E: PairingEngine> ToBytes for Proof<E> {
#[inline]
fn write<W: Write>(&self, mut writer: W) -> io::Result<()> {
self.a.write(&mut writer)?;
self.b.write(&mut writer)?;
self.c.write(&mut writer)
}
}
#[derive(Eq, PartialEq, Clone, CanonicalSerialize, CanonicalDeserialize)]
pub struct VerifyingKey<E: PairingEngine> {
#[doc(hidden)]
pub h_g2: E::G2Affine,
#[doc(hidden)]
pub g_alpha_g1: E::G1Affine,
#[doc(hidden)]
pub h_beta_g2: E::G2Affine,
#[doc(hidden)]
pub g_gamma_g1: E::G1Affine,
#[doc(hidden)]
pub h_gamma_g2: E::G2Affine,
#[doc(hidden)]
pub query: Vec<E::G1Affine>,
}
impl<E: PairingEngine> ToBytes for VerifyingKey<E> {
fn write<W: Write>(&self, mut writer: W) -> IoResult<()> {
self.h_g2.write(&mut writer)?;
self.g_alpha_g1.write(&mut writer)?;
self.h_beta_g2.write(&mut writer)?;
self.g_gamma_g1.write(&mut writer)?;
self.h_gamma_g2.write(&mut writer)?;
for q in &self.query {
q.write(&mut writer)?;
}
Ok(())
}
}
impl<E: PairingEngine> Default for VerifyingKey<E> {
fn default() -> Self {
Self {
h_g2: E::G2Affine::default(),
g_alpha_g1: E::G1Affine::default(),
h_beta_g2: E::G2Affine::default(),
g_gamma_g1: E::G1Affine::default(),
h_gamma_g2: E::G2Affine::default(),
query: Vec::new(),
}
}
}
#[derive(PartialEq, Eq, Clone)]
pub struct PreparedVerifyingKey<E: PairingEngine> {
#[doc(hidden)]
pub vk: VerifyingKey<E>,
#[doc(hidden)]
pub g_alpha: E::G1Affine,
#[doc(hidden)]
pub h_beta: E::G2Affine,
#[doc(hidden)]
pub g_alpha_h_beta_ml: E::Fqk,
#[doc(hidden)]
pub g_gamma_pc: E::G1Prepared,
#[doc(hidden)]
pub h_gamma_pc: E::G2Prepared,
#[doc(hidden)]
pub h_pc: E::G2Prepared,
#[doc(hidden)]
pub query: Vec<E::G1Affine>,
}
impl<E: PairingEngine> Default for PreparedVerifyingKey<E> {
fn default() -> Self {
Self {
vk: VerifyingKey::default(),
g_alpha: E::G1Affine::default(),
h_beta: E::G2Affine::default(),
g_alpha_h_beta_ml: E::Fqk::default(),
g_gamma_pc: E::G1Prepared::default(),
h_gamma_pc: E::G2Prepared::default(),
h_pc: E::G2Prepared::default(),
query: Vec::new(),
}
}
}
impl<E: PairingEngine> From<PreparedVerifyingKey<E>> for VerifyingKey<E> {
fn from(other: PreparedVerifyingKey<E>) -> Self {
other.vk
}
}
impl<E: PairingEngine> From<VerifyingKey<E>> for PreparedVerifyingKey<E> {
fn from(other: VerifyingKey<E>) -> Self {
crate::prepare_verifying_key(&other)
}
}
impl<E: PairingEngine> ToBytes for PreparedVerifyingKey<E> {
fn write<W: Write>(&self, mut writer: W) -> IoResult<()> {
self.vk.write(&mut writer)?;
self.g_alpha.write(&mut writer)?;
self.h_beta.write(&mut writer)?;
self.g_alpha_h_beta_ml.write(&mut writer)?;
self.g_gamma_pc.write(&mut writer)?;
self.h_gamma_pc.write(&mut writer)?;
self.h_pc.write(&mut writer)?;
for q in &self.query {
q.write(&mut writer)?;
}
Ok(())
}
}
#[derive(PartialEq, Eq, Clone, CanonicalSerialize, CanonicalDeserialize)]
pub struct ProvingKey<E: PairingEngine> {
#[doc(hidden)]
pub vk: VerifyingKey<E>,
#[doc(hidden)]
pub a_query: Vec<E::G1Affine>,
#[doc(hidden)]
pub b_query: Vec<E::G2Affine>,
#[doc(hidden)]
pub c_query_1: Vec<E::G1Affine>,
#[doc(hidden)]
pub c_query_2: Vec<E::G1Affine>,
#[doc(hidden)]
pub g_gamma_z: E::G1Affine,
#[doc(hidden)]
pub h_gamma_z: E::G2Affine,
#[doc(hidden)]
pub g_ab_gamma_z: E::G1Affine,
#[doc(hidden)]
pub g_gamma2_z2: E::G1Affine,
#[doc(hidden)]
pub g_gamma2_z_t: Vec<E::G1Affine>,
}