create FieldType module

compiler/src/field/mod.rs

@@ -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!()
+    }
+}

compiler/src/group/mod.rs

@@ -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 snarkos_models::{

compiler/src/lib.rs

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