Trait snarkvm_wasm::ConstraintSystem[−][src]

pub trait ConstraintSystem<F> where
    F: Field, {
    type Root: ConstraintSystem<F>;
    pub fn alloc<FN, A, AR>(
        &mut self, 
        annotation: A, 
        f: FN
    ) -> Result<Variable, SynthesisError>
    where
        A: FnOnce() -> AR,
        FN: FnOnce() -> Result<F, SynthesisError>,
        AR: AsRef<str>;

    pub fn alloc_input<FN, A, AR>(
        &mut self, 
        annotation: A, 
        f: FN
    ) -> Result<Variable, SynthesisError>
    where
        A: FnOnce() -> AR,
        FN: FnOnce() -> Result<F, SynthesisError>,
        AR: AsRef<str>;

    pub fn enforce<A, AR, LA, LB, LC>(
        &mut self, 
        annotation: A, 
        a: LA, 
        b: LB, 
        c: LC
    )
    where
        LC: FnOnce(LinearCombination<F>) -> LinearCombination<F>,
        A: FnOnce() -> AR,
        AR: AsRef<str>,
        LA: FnOnce(LinearCombination<F>) -> LinearCombination<F>,
        LB: FnOnce(LinearCombination<F>) -> LinearCombination<F>;

    pub fn push_namespace<NR, N>(&mut self, name_fn: N)
    where
        N: FnOnce() -> NR,
        NR: AsRef<str>;

    pub fn pop_namespace(&mut self);

    pub fn get_root(&mut self) -> &mut Self::Root;

    pub fn num_constraints(&self) -> usize;

    pub fn num_public_variables(&self) -> usize;

    pub fn num_private_variables(&self) -> usize;

    pub fn one() -> Variable { ... }

    pub fn ns<NR, N>(&mut self, name_fn: N) -> Namespace<'_, F, Self::Root>
    where
        N: FnOnce() -> NR,
        NR: AsRef<str>,
    { ... }
}

Represents a constraint system which can have new variables allocated and constrains between them formed.

Associated Types

type Root: ConstraintSystem<F>[src]

Represents the type of the “root” of this constraint system so that nested namespaces can minimize indirection.

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Required methods

pub fn alloc<FN, A, AR>(
    &mut self,
    annotation: A,
    f: FN
) -> Result<Variable, SynthesisError> where
    A: FnOnce() -> AR,
    FN: FnOnce() -> Result<F, SynthesisError>,
    AR: AsRef<str>, [src]

Allocate a private variable in the constraint system. The provided function is used to determine the assignment of the variable. The given annotation function is invoked in testing contexts in order to derive a unique name for this variable in the current namespace.

pub fn alloc_input<FN, A, AR>(
    &mut self,
    annotation: A,
    f: FN
) -> Result<Variable, SynthesisError> where
    A: FnOnce() -> AR,
    FN: FnOnce() -> Result<F, SynthesisError>,
    AR: AsRef<str>, [src]

Allocate a public variable in the constraint system. The provided function is used to determine the assignment of the variable.

pub fn enforce<A, AR, LA, LB, LC>(&mut self, annotation: A, a: LA, b: LB, c: LC) where
    LC: FnOnce(LinearCombination<F>) -> LinearCombination<F>,
    A: FnOnce() -> AR,
    AR: AsRef<str>,
    LA: FnOnce(LinearCombination<F>) -> LinearCombination<F>,
    LB: FnOnce(LinearCombination<F>) -> LinearCombination<F>, [src]

Enforce that A * B = C. The annotation function is invoked in testing contexts in order to derive a unique name for the constraint in the current namespace.

pub fn push_namespace<NR, N>(&mut self, name_fn: N) where
    N: FnOnce() -> NR,
    NR: AsRef<str>, [src]

Create a new (sub)namespace and enter into it. Not intended for downstream use; use namespace instead.

pub fn pop_namespace(&mut self)[src]

Exit out of the existing namespace. Not intended for downstream use; use namespace instead.

pub fn get_root(&mut self) -> &mut Self::Root[src]

Gets the “root” constraint system, bypassing the namespacing. Not intended for downstream use; use namespace instead.

pub fn num_constraints(&self) -> usize[src]

Output the number of constraints in the system.

pub fn num_public_variables(&self) -> usize[src]

Output the number of public input variables to the system.

pub fn num_private_variables(&self) -> usize[src]

Output the number of private input variables to the system.

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Provided methods

pub fn one() -> Variable[src]

Return the “one” input variable

pub fn ns<NR, N>(&mut self, name_fn: N) -> Namespace<'_, F, Self::Root> where
    N: FnOnce() -> NR,
    NR: AsRef<str>, [src]

Begin a namespace for this constraint system.

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Implementations on Foreign Types

impl<'_, F, CS> ConstraintSystem<F> for &'_ mut CS where
    CS: ConstraintSystem<F>,
    F: Field, [src]

Convenience implementation of ConstraintSystem for mutable references to constraint systems.

type Root = <CS as ConstraintSystem<F>>::Root

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Implementors

impl<'_, F, CS> ConstraintSystem<F> for Namespace<'_, F, CS> where
    CS: ConstraintSystem<F>,
    F: Field, [src]

type Root = <CS as ConstraintSystem<F>>::Root

impl<ConstraintF> ConstraintSystem<ConstraintF> for ConstraintCounter where
    ConstraintF: Field, [src]

type Root = ConstraintCounter

impl<E> ConstraintSystem<<E as PairingEngine>::Fr> for snarkvm_wasm::gm17::KeypairAssembly<E> where
    E: PairingEngine, [src]

type Root = KeypairAssembly<E>

impl<E> ConstraintSystem<<E as PairingEngine>::Fr> for snarkvm_wasm::gm17::ProvingAssignment<E> where
    E: PairingEngine, [src]

type Root = ProvingAssignment<E>

impl<E> ConstraintSystem<<E as PairingEngine>::Fr> for snarkvm_wasm::groth16::KeypairAssembly<E> where
    E: PairingEngine, [src]

type Root = KeypairAssembly<E>

impl<E> ConstraintSystem<<E as PairingEngine>::Fr> for snarkvm_wasm::groth16::ProvingAssignment<E> where
    E: PairingEngine, [src]

type Root = ProvingAssignment<E>

impl<F> ConstraintSystem<F> for TestConstraintSystem<F> where
    F: Field, [src]

type Root = TestConstraintSystem<F>

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