create FieldType module

This commit is contained in:
collin 2020-06-02 11:12:49 -07:00
parent f546752cbc
commit 0240eed168
3 changed files with 159 additions and 0 deletions

154
compiler/src/field/mod.rs Normal file
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@ -0,0 +1,154 @@
//! A data type that represents a field value
use crate::errors::FieldElementError;
use snarkos_errors::gadgets::SynthesisError;
use snarkos_models::{
curves::{Field, PrimeField},
gadgets::{
curves::FpGadget,
r1cs::ConstraintSystem,
utilities::{
alloc::AllocGadget,
boolean::Boolean,
eq::{ConditionalEqGadget, EqGadget},
select::CondSelectGadget,
uint8::UInt8,
ToBitsGadget, ToBytesGadget,
},
},
};
use std::borrow::Borrow;
pub enum FieldType<F: Field + PrimeField> {
Constant(F),
Allocated(FpGadget<F>),
}
impl<F: Field + PrimeField> FieldType<F> {
pub fn add<CS: ConstraintSystem<F>>(
&self,
cs: CS,
other: &Self,
) -> Result<Self, FieldElementError> {
unimplemented!()
}
pub fn sub<CS: ConstraintSystem<F>>(
&self,
cs: CS,
other: &Self,
) -> Result<Self, FieldElementError> {
unimplemented!()
}
pub fn mul<CS: ConstraintSystem<F>>(
&self,
cs: CS,
other: &Self,
) -> Result<Self, FieldElementError> {
unimplemented!()
}
pub fn div<CS: ConstraintSystem<F>>(
&self,
cs: CS,
other: &Self,
) -> Result<Self, FieldElementError> {
unimplemented!()
}
pub fn pow<CS: ConstraintSystem<F>>(
&self,
cs: CS,
other: &Self,
) -> Result<Self, FieldElementError> {
unimplemented!()
}
}
impl<F: Field + PrimeField> Eq for FieldType<F> {}
impl<F: Field + PrimeField> PartialEq for FieldType<F> {
fn eq(&self, other: &Self) -> bool {
unimplemented!()
}
}
impl<F: Field + PrimeField> EqGadget<F> for FieldType<F> {}
impl<F: Field + PrimeField> ConditionalEqGadget<F> for FieldType<F> {
fn conditional_enforce_equal<CS: ConstraintSystem<F>>(
&self,
cs: CS,
other: &Self,
condition: &Boolean,
) -> Result<(), SynthesisError> {
unimplemented!()
}
fn cost() -> usize {
unimplemented!()
}
}
impl<F: Field + PrimeField> AllocGadget<F, F> for FieldType<F> {
fn alloc<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<F>, CS: ConstraintSystem<F>>(
cs: CS,
f: Fn,
) -> Result<Self, SynthesisError> {
unimplemented!()
}
fn alloc_input<
Fn: FnOnce() -> Result<T, SynthesisError>,
T: Borrow<F>,
CS: ConstraintSystem<F>,
>(
cs: CS,
f: Fn,
) -> Result<Self, SynthesisError> {
unimplemented!()
}
}
impl<F: Field + PrimeField> CondSelectGadget<F> for FieldType<F> {
fn conditionally_select<CS: ConstraintSystem<F>>(
cs: CS,
cond: &Boolean,
first: &Self,
second: &Self,
) -> Result<Self, SynthesisError> {
unimplemented!()
}
fn cost() -> usize {
unimplemented!()
}
}
impl<F: Field + PrimeField> ToBitsGadget<F> for FieldType<F> {
fn to_bits<CS: ConstraintSystem<F>>(&self, cs: CS) -> Result<Vec<Boolean>, SynthesisError> {
unimplemented!()
}
fn to_bits_strict<CS: ConstraintSystem<F>>(
&self,
cs: CS,
) -> Result<Vec<Boolean>, SynthesisError> {
unimplemented!()
}
}
impl<F: Field + PrimeField> ToBytesGadget<F> for FieldType<F> {
fn to_bytes<CS: ConstraintSystem<F>>(&self, cs: CS) -> Result<Vec<UInt8>, SynthesisError> {
unimplemented!()
}
fn to_bytes_strict<CS: ConstraintSystem<F>>(
&self,
cs: CS,
) -> Result<Vec<UInt8>, SynthesisError> {
unimplemented!()
}
}

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@ -1,3 +1,5 @@
//! A data type that represents members in the group formed by the set of affine points on a curve.
use crate::errors::GroupError; use crate::errors::GroupError;
use snarkos_models::{ use snarkos_models::{

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@ -22,6 +22,9 @@ pub use self::constraints::*;
pub mod errors; pub mod errors;
pub mod field;
pub use self::field::*;
pub mod group; pub mod group;
pub use self::group::*; pub use self::group::*;