penumbra_asset::balance

Struct BalanceVar

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pub struct BalanceVar {
    pub inner: Vec<(AssetIdVar, (Boolean<Fq>, AmountVar))>,
}
Expand description

Represents a balance in a rank 1 constraint system.

A balance consists of a number of assets (represented by their asset ID), the amount of each asset, as well as a boolean var that represents their contribution to the transaction’s balance.

True values represent assets that are being provided (positive sign). False values represent assets that are required (negative sign).

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§inner: Vec<(AssetIdVar, (Boolean<Fq>, AmountVar))>

Implementations§

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impl BalanceVar

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pub fn commit( &self, blinding_factor: Vec<UInt8<Fq>>, ) -> Result<BalanceCommitmentVar, SynthesisError>

Commit to a BalanceVar using a provided blinding factor.

This is like a vectorized ValueVar::commit.

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pub fn from_positive_value_var(value: ValueVar) -> Self

Create a balance from a positive ValueVar.

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pub fn from_negative_value_var(value: ValueVar) -> Self

Create a balance from a negated ValueVar.

Trait Implementations§

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impl Add for BalanceVar

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type Output = BalanceVar

The resulting type after applying the + operator.
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fn add(self, other: Self) -> Self

Performs the + operation. Read more
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impl AllocVar<Balance, Fq> for BalanceVar

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fn new_variable<T: Borrow<Balance>>( cs: impl Into<Namespace<Fq>>, f: impl FnOnce() -> Result<T, SynthesisError>, mode: AllocationMode, ) -> Result<Self, SynthesisError>

Allocates a new variable of type Self in the ConstraintSystem cs. The mode of allocation is decided by mode.
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fn new_constant( cs: impl Into<Namespace<F>>, t: impl Borrow<V>, ) -> Result<Self, SynthesisError>

Allocates a new constant of type Self in the ConstraintSystem cs. Read more
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fn new_input<T>( cs: impl Into<Namespace<F>>, f: impl FnOnce() -> Result<T, SynthesisError>, ) -> Result<Self, SynthesisError>
where T: Borrow<V>,

Allocates a new public input of type Self in the ConstraintSystem cs.
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fn new_witness<T>( cs: impl Into<Namespace<F>>, f: impl FnOnce() -> Result<T, SynthesisError>, ) -> Result<Self, SynthesisError>
where T: Borrow<V>,

Allocates a new private witness of type Self in the ConstraintSystem cs.
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impl Clone for BalanceVar

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fn clone(&self) -> BalanceVar

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 From<ValueVar> for BalanceVar

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fn from(_: ValueVar) -> Self

Converts to this type from the input type.

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