Struct snarkvm_gadgets::algorithms::crypto_hash::poseidon::PoseidonSpongeGadget

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pub struct PoseidonSpongeGadget<F: PrimeField, const RATE: usize, const CAPACITY: usize> {
    pub parameters: Arc<PoseidonParameters<F, RATE, CAPACITY>>,
    pub state: Vec<FpGadget<F>>,
    pub mode: DuplexSpongeMode,
}

Expand description

the gadget for Poseidon sponge

This implementation of Poseidon is entirely from Fractal’s implementation in COS20 with small syntax changes.

Fields

parameters: Arc<PoseidonParameters<F, RATE, CAPACITY>>

Sponge Parameters

state: Vec<FpGadget<F>>

the sponge’s state

mode: DuplexSpongeMode

the mode

Trait Implementations

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impl<F: PoseidonDefaultParametersField, const RATE: usize, const CAPACITY: usize> AlgebraicSpongeVar<F, PoseidonSponge<F, RATE, CAPACITY>, RATE, CAPACITY> for PoseidonSpongeGadget<F, RATE, CAPACITY>

type Parameters = Arc<PoseidonParameters<F, RATE, CAPACITY>>

Parameters used by the sponge.

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fn with_parameters<CS: ConstraintSystem<F>>(
cs: CS,
parameters: &Self::Parameters
) -> Self

Initialize a new instance of the sponge.

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fn constant<CS: ConstraintSystem<F>>(
cs: CS,
pfs: &PoseidonSponge<F, RATE, CAPACITY>
) -> Self

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fn absorb<'a, CS: ConstraintSystem<F>, I: Iterator<Item = &'a FpGadget<F>>>(
 &mut self,
 cs: CS,
 input: I
) -> Result<(), SynthesisError>

Absorb an input into the sponge.

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fn squeeze_field_elements<CS: ConstraintSystem<F>>(
 &mut self,
 cs: CS,
 num_elements: usize
) -> Result<Vec<FpGadget<F>>, SynthesisError>

Squeeze num_elements field elements from the sponge.

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impl<F: PoseidonDefaultParametersField, const RATE: usize, const CAPACITY: usize> AllocGadget<PoseidonParameters<F, RATE, CAPACITY>, F> for PoseidonSpongeGadget<F, RATE, CAPACITY>

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fn alloc_constant<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PoseidonParameters<F, RATE, CAPACITY>>, CS: ConstraintSystem<F>>(
cs: CS,
value_gen: Fn
) -> Result<Self, SynthesisError>

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fn alloc<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PoseidonParameters<F, RATE, CAPACITY>>, CS: ConstraintSystem<F>>(
_cs: CS,
_value_gen: Fn
) -> Result<Self, SynthesisError>

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fn alloc_input<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PoseidonParameters<F, RATE, CAPACITY>>, CS: ConstraintSystem<F>>(
_cs: CS,
_value_gen: Fn
) -> Result<Self, SynthesisError>

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fn alloc_checked<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<V>, CS: ConstraintSystem<F>>(
cs: CS,
f: Fn
) -> Result<Self, SynthesisError>

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fn alloc_input_checked<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<V>, CS: ConstraintSystem<F>>(
cs: CS,
f: Fn
) -> Result<Self, SynthesisError>

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impl<F: Clone + PrimeField, const RATE: usize, const CAPACITY: usize> Clone for PoseidonSpongeGadget<F, RATE, CAPACITY>

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fn clone(&self) -> PoseidonSpongeGadget<F, RATE, CAPACITY>

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<F: PoseidonDefaultParametersField, const RATE: usize> DefaultCapacityAlgebraicSpongeVar<F, PoseidonSponge<F, RATE, 1_usize>, RATE> for PoseidonSpongeGadget<F, RATE, 1>

Auto Trait Implementations

impl<F, const RATE: usize, const CAPACITY: usize> RefUnwindSafe for PoseidonSpongeGadget<F, RATE, CAPACITY> where
F: RefUnwindSafe,

impl<F, const RATE: usize, const CAPACITY: usize> Send for PoseidonSpongeGadget<F, RATE, CAPACITY>

impl<F, const RATE: usize, const CAPACITY: usize> Sync for PoseidonSpongeGadget<F, RATE, CAPACITY>

impl<F, const RATE: usize, const CAPACITY: usize> Unpin for PoseidonSpongeGadget<F, RATE, CAPACITY> where
F: Unpin,

impl<F, const RATE: usize, const CAPACITY: usize> UnwindSafe for PoseidonSpongeGadget<F, RATE, CAPACITY> where
F: UnwindSafe + RefUnwindSafe,

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Performs the conversion.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Performs the conversion.

impl<T> Pointable for T

pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

pub unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct snarkvm_gadgets::algorithms::crypto_hash::poseidon::PoseidonSpongeGadget

Fields

Trait Implementations

impl<F: PoseidonDefaultParametersField, const RATE: usize, const CAPACITY: usize> AlgebraicSpongeVar<F, PoseidonSponge<F, RATE, CAPACITY>, RATE, CAPACITY> for PoseidonSpongeGadget<F, RATE, CAPACITY>

type Parameters = Arc<PoseidonParameters<F, RATE, CAPACITY>>

fn with_parameters<CS: ConstraintSystem<F>>( cs: CS, parameters: &Self::Parameters) -> Self

fn constant<CS: ConstraintSystem<F>>( cs: CS, pfs: &PoseidonSponge<F, RATE, CAPACITY>) -> Self

fn absorb<'a, CS: ConstraintSystem<F>, I: Iterator<Item = &'a FpGadget<F>>>( &mut self, cs: CS, input: I) -> Result<(), SynthesisError>

fn squeeze_field_elements<CS: ConstraintSystem<F>>( &mut self, cs: CS, num_elements: usize) -> Result<Vec<FpGadget<F>>, SynthesisError>

impl<F: PoseidonDefaultParametersField, const RATE: usize, const CAPACITY: usize> AllocGadget<PoseidonParameters<F, RATE, CAPACITY>, F> for PoseidonSpongeGadget<F, RATE, CAPACITY>

fn alloc_constant<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PoseidonParameters<F, RATE, CAPACITY>>, CS: ConstraintSystem<F>>( cs: CS, value_gen: Fn) -> Result<Self, SynthesisError>

fn alloc<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PoseidonParameters<F, RATE, CAPACITY>>, CS: ConstraintSystem<F>>( _cs: CS, _value_gen: Fn) -> Result<Self, SynthesisError>

fn alloc_input<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PoseidonParameters<F, RATE, CAPACITY>>, CS: ConstraintSystem<F>>( _cs: CS, _value_gen: Fn) -> Result<Self, SynthesisError>

fn alloc_checked<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<V>, CS: ConstraintSystem<F>>( cs: CS, f: Fn) -> Result<Self, SynthesisError>

fn alloc_input_checked<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<V>, CS: ConstraintSystem<F>>( cs: CS, f: Fn) -> Result<Self, SynthesisError>

impl<F: Clone + PrimeField, const RATE: usize, const CAPACITY: usize> Clone for PoseidonSpongeGadget<F, RATE, CAPACITY>

fn clone(&self) -> PoseidonSpongeGadget<F, RATE, CAPACITY>

fn clone_from(&mut self, source: &Self)

impl<F: PoseidonDefaultParametersField, const RATE: usize> DefaultCapacityAlgebraicSpongeVar<F, PoseidonSponge<F, RATE, 1_usize>, RATE> for PoseidonSpongeGadget<F, RATE, 1>

Auto Trait Implementations

impl<F, const RATE: usize, const CAPACITY: usize> RefUnwindSafe for PoseidonSpongeGadget<F, RATE, CAPACITY> where F: RefUnwindSafe,

impl<F, const RATE: usize, const CAPACITY: usize> Send for PoseidonSpongeGadget<F, RATE, CAPACITY>

impl<F, const RATE: usize, const CAPACITY: usize> Sync for PoseidonSpongeGadget<F, RATE, CAPACITY>

impl<F, const RATE: usize, const CAPACITY: usize> Unpin for PoseidonSpongeGadget<F, RATE, CAPACITY> where F: Unpin,

impl<F, const RATE: usize, const CAPACITY: usize> UnwindSafe for PoseidonSpongeGadget<F, RATE, CAPACITY> where F: UnwindSafe + RefUnwindSafe,

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T> Pointable for T

pub const ALIGN: usize

type Init = T

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

pub unsafe fn drop(ptr: usize)

impl<T> Same<T> for T

type Output = T

impl<T> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

pub fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for T where V: MultiLane<T>,

pub fn vzip(self) -> V

fn with_parameters<CS: ConstraintSystem<F>>(
cs: CS,
parameters: &Self::Parameters
) -> Self

fn constant<CS: ConstraintSystem<F>>(
cs: CS,
pfs: &PoseidonSponge<F, RATE, CAPACITY>
) -> Self

fn absorb<'a, CS: ConstraintSystem<F>, I: Iterator<Item = &'a FpGadget<F>>>(
&mut self,
cs: CS,
input: I
) -> Result<(), SynthesisError>

fn squeeze_field_elements<CS: ConstraintSystem<F>>(
&mut self,
cs: CS,
num_elements: usize
) -> Result<Vec<FpGadget<F>>, SynthesisError>

fn alloc_constant<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PoseidonParameters<F, RATE, CAPACITY>>, CS: ConstraintSystem<F>>(
cs: CS,
value_gen: Fn
) -> Result<Self, SynthesisError>

fn alloc<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PoseidonParameters<F, RATE, CAPACITY>>, CS: ConstraintSystem<F>>(
_cs: CS,
_value_gen: Fn
) -> Result<Self, SynthesisError>

fn alloc_input<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<PoseidonParameters<F, RATE, CAPACITY>>, CS: ConstraintSystem<F>>(
_cs: CS,
_value_gen: Fn
) -> Result<Self, SynthesisError>

fn alloc_checked<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<V>, CS: ConstraintSystem<F>>(
cs: CS,
f: Fn
) -> Result<Self, SynthesisError>

fn alloc_input_checked<Fn: FnOnce() -> Result<T, SynthesisError>, T: Borrow<V>, CS: ConstraintSystem<F>>(
cs: CS,
f: Fn
) -> Result<Self, SynthesisError>

impl<F, const RATE: usize, const CAPACITY: usize> RefUnwindSafe for PoseidonSpongeGadget<F, RATE, CAPACITY> where
F: RefUnwindSafe,

impl<F, const RATE: usize, const CAPACITY: usize> Unpin for PoseidonSpongeGadget<F, RATE, CAPACITY> where
F: Unpin,

impl<F, const RATE: usize, const CAPACITY: usize> UnwindSafe for PoseidonSpongeGadget<F, RATE, CAPACITY> where
F: UnwindSafe + RefUnwindSafe,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,