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traits for a vector commitment engine and a polynomial evaluation engine (#136)

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make spartan generic over the evaluation engine

update version

disable Wasm CI check
This commit is contained in:
Srinath Setty
2023-02-02 16:21:24 -08:00
committed by GitHub
parent e7f8d11455
commit 603c1e2a85
21 changed files with 616 additions and 252 deletions
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29
src/gadgets/r1cs.rs
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@@ -13,7 +13,7 @@ use crate::{
},
},
r1cs::{R1CSInstance, RelaxedR1CSInstance},
traits::{Group, ROCircuitTrait, ROConstantsCircuit},
traits::{commitment::CommitmentTrait, Group, ROCircuitTrait, ROConstantsCircuit},
};
use bellperson::{
gadgets::{boolean::Boolean, num::AllocatedNum, Assignment},
@@ -23,19 +23,13 @@ use ff::Field;
/// An Allocated R1CS Instance
#[derive(Clone)]
pub struct AllocatedR1CSInstance<G>
where
G: Group,
{
pub struct AllocatedR1CSInstance<G: Group> {
pub(crate) W: AllocatedPoint<G>,
pub(crate) X0: AllocatedNum<G::Base>,
pub(crate) X1: AllocatedNum<G::Base>,
}
impl<G> AllocatedR1CSInstance<G>
where
G: Group,
{
impl<G: Group> AllocatedR1CSInstance<G> {
/// Takes the r1cs instance and creates a new allocated r1cs instance
pub fn alloc<CS: ConstraintSystem<<G as Group>::Base>>(
mut cs: CS,
@@ -44,8 +38,7 @@ where
// Check that the incoming instance has exactly 2 io
let W = AllocatedPoint::alloc(
cs.namespace(|| "allocate W"),
u.get()
.map_or(None, |u| Some(u.comm_W.comm.to_coordinates())),
u.get().map_or(None, |u| Some(u.comm_W.to_coordinates())),
)?;
let X0 = alloc_scalar_as_base::<G, _>(
@@ -71,10 +64,7 @@ where
}
/// An Allocated Relaxed R1CS Instance
pub struct AllocatedRelaxedR1CSInstance<G>
where
G: Group,
{
pub struct AllocatedRelaxedR1CSInstance<G: Group> {
pub(crate) W: AllocatedPoint<G>,
pub(crate) E: AllocatedPoint<G>,
pub(crate) u: AllocatedNum<G::Base>,
@@ -82,10 +72,7 @@ where
pub(crate) X1: BigNat<G::Base>,
}
impl<G> AllocatedRelaxedR1CSInstance<G>
where
G: Group,
{
impl<G: Group> AllocatedRelaxedR1CSInstance<G> {
/// Allocates the given RelaxedR1CSInstance as a witness of the circuit
pub fn alloc<CS: ConstraintSystem<<G as Group>::Base>>(
mut cs: CS,
@@ -97,14 +84,14 @@ where
cs.namespace(|| "allocate W"),
inst
.get()
.map_or(None, |inst| Some(inst.comm_W.comm.to_coordinates())),
.map_or(None, |inst| Some(inst.comm_W.to_coordinates())),
)?;
let E = AllocatedPoint::alloc(
cs.namespace(|| "allocate E"),
inst
.get()
.map_or(None, |inst| Some(inst.comm_E.comm.to_coordinates())),
.map_or(None, |inst| Some(inst.comm_E.to_coordinates())),
)?;
// u << |G::Base| despite the fact that u is a scalar.