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Recursion APIs (#62)

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* recursion APIs (WIP)

* PublicParams struct and associated new

* fix build

* draft of APIs

* start with tests

* add a test case for the base case of recursion
This commit is contained in:
Srinath Setty
2022-05-15 12:05:18 +05:30
committed by GitHub
parent e8a6e45b3c
commit 07b3c4289b
4 changed files with 314 additions and 29 deletions
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6
src/gadgets/r1cs.rs
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@@ -7,7 +7,7 @@ use crate::{
conditionally_select_bignat, le_bits_to_num,
},
},
poseidon::{NovaPoseidonConstants, PoseidonROGadget},
poseidon::{PoseidonROGadget, ROConstantsCircuit},
r1cs::{R1CSInstance, RelaxedR1CSInstance},
traits::Group,
};
@@ -263,12 +263,12 @@ where
params: AllocatedNum<G::Base>, // hash of R1CSShape of F'
u: AllocatedR1CSInstance<G>,
T: AllocatedPoint<G::Base>,
poseidon_constants: NovaPoseidonConstants<G::Base>,
ro_consts: ROConstantsCircuit<G::Base>,
limb_width: usize,
n_limbs: usize,
) -> Result<AllocatedRelaxedR1CSInstance<G>, SynthesisError> {
// Compute r:
let mut ro: PoseidonROGadget<G::Base> = PoseidonROGadget::new(poseidon_constants);
let mut ro: PoseidonROGadget<G::Base> = PoseidonROGadget::new(ro_consts);
ro.absorb(params);
self.absorb_in_ro(cs.namespace(|| "absorb running instance"), &mut ro)?;
u.absorb_in_ro(&mut ro);