sp1_recursion_program/
commit.rs1use p3_commit::{LagrangeSelectors, PolynomialSpace};
2use sp1_recursion_compiler::ir::{Array, Builder, Config, Ext, FromConstant, Usize};
3
4use crate::fri::types::{FriConfigVariable, TwoAdicPcsRoundVariable};
5
6pub trait PolynomialSpaceVariable<C: Config>: Sized + FromConstant<C> {
8 type Constant: PolynomialSpace<Val = C::F>;
9
10 fn next_point(&self, builder: &mut Builder<C>, point: Ext<C::F, C::EF>) -> Ext<C::F, C::EF>;
11
12 fn selectors_at_point(
13 &self,
14 builder: &mut Builder<C>,
15 point: Ext<C::F, C::EF>,
16 ) -> LagrangeSelectors<Ext<C::F, C::EF>>;
17
18 fn zp_at_point(&self, builder: &mut Builder<C>, point: Ext<C::F, C::EF>) -> Ext<C::F, C::EF>;
19
20 fn split_domains(
21 &self,
22 builder: &mut Builder<C>,
23 log_num_chunks: impl Into<Usize<C::N>>,
24 num_chunks: impl Into<Usize<C::N>>,
25 ) -> Array<C, Self>;
26
27 fn split_domains_const(&self, _: &mut Builder<C>, log_num_chunks: usize) -> Vec<Self>;
28
29 fn create_disjoint_domain(
30 &self,
31 builder: &mut Builder<C>,
32 log_degree: Usize<C::N>,
33 config: Option<FriConfigVariable<C>>,
34 ) -> Self;
35}
36
37pub trait PcsVariable<C: Config, Challenger> {
39 type Domain: PolynomialSpaceVariable<C>;
40
41 type Commitment;
42
43 type Proof;
44
45 fn natural_domain_for_log_degree(
46 &self,
47 builder: &mut Builder<C>,
48 log_degree: Usize<C::N>,
49 ) -> Self::Domain;
50
51 fn verify(
52 &self,
53 builder: &mut Builder<C>,
54 rounds: Array<C, TwoAdicPcsRoundVariable<C>>,
55 proof: Self::Proof,
56 challenger: &mut Challenger,
57 );
58}