use crate::snark::marlin::{ahp::AHPForR1CS, MarlinMode};
use snarkvm_fields::PrimeField;
use snarkvm_utilities::{serialize::*, ToBytes};
use core::marker::PhantomData;
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Copy, Clone, Debug, PartialEq, Eq, CanonicalSerialize, CanonicalDeserialize)]
pub struct CircuitInfo<F: Sync + Send> {
pub num_public_inputs: usize,
pub num_variables: usize,
pub num_constraints: usize,
pub num_non_zero_a: usize,
pub num_non_zero_b: usize,
pub num_non_zero_c: usize,
#[doc(hidden)]
pub f: PhantomData<F>,
}
impl<F: PrimeField> CircuitInfo<F> {
pub fn max_degree<MM: MarlinMode>(&self) -> usize {
let max_non_zero = self.num_non_zero_a.max(self.num_non_zero_b).max(self.num_non_zero_c);
AHPForR1CS::<F, MM>::max_degree(self.num_constraints, self.num_variables, max_non_zero).unwrap()
}
}
impl<F: PrimeField> ToBytes for CircuitInfo<F> {
fn write_le<W: Write>(&self, mut w: W) -> Result<(), io::Error> {
(self.num_public_inputs as u64).write_le(&mut w)?;
(self.num_variables as u64).write_le(&mut w)?;
(self.num_constraints as u64).write_le(&mut w)?;
(self.num_non_zero_a as u64).write_le(&mut w)?;
(self.num_non_zero_b as u64).write_le(&mut w)?;
(self.num_non_zero_c as u64).write_le(&mut w)
}
}