penumbra_tct

Struct Proof

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pub struct Proof(/* private fields */);
Expand description

A proof of the inclusion of some [Commitment] in a Tree with a particular Root.

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impl Proof

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pub fn new( commitment: StateCommitment, position: Position, auth_path: [[Hash; 3]; 24], ) -> Self

Construct a new Proof of inclusion for a given [Commitment], index, and authentication path from root to leaf.

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pub fn dummy<R: Rng + CryptoRng>( rng: &mut R, commitment: StateCommitment, ) -> Self

Generate a dummy Proof for a given commitment.

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pub fn verify(&self, root: Root) -> Result<(), VerifyError>

Verify a Proof of inclusion against the Root of a Tree.

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Returns VerifyError if the proof is invalid for that Root.

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pub fn commitment(&self) -> StateCommitment

Get the commitment whose inclusion is witnessed by the proof.

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pub fn position(&self) -> Position

Get the position of the witnessed commitment.

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pub fn root(&self) -> Root

Get the root of the tree from which the proof was generated.

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pub fn auth_path(&self) -> [&[Hash; 3]; 24]

Get the authentication path for this proof, order from root to leaf.

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impl AllocVar<Proof, Fq> for MerkleAuthPathVar

Available on crate feature r1cs only.
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fn new_variable<T: Borrow<Proof>>( 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 Proof

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fn clone(&self) -> Proof

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 Debug for Proof

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl DomainType for Proof

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type Proto = StateCommitmentProof

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fn encode_to_vec(&self) -> Vec<u8> ⓘ

Encode this domain type to a byte vector, via proto type P.
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fn to_proto(&self) -> Self::Proto

Convert this domain type to the associated proto type. Read more
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fn decode<B>(buf: B) -> Result<Self, Error>
where B: Buf,

Decode this domain type from a byte buffer, via proto type P.
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impl From<Proof> for StateCommitmentProof

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fn from(proof: Proof) -> Self

Converts to this type from the input type.
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impl PartialEq for Proof

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fn eq(&self, other: &Proof) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl TryFrom<StateCommitmentProof> for Proof

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type Error = ProofDecodeError

The type returned in the event of a conversion error.
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fn try_from(value: StateCommitmentProof) -> Result<Self, Self::Error>

Performs the conversion.
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impl Eq for Proof

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impl StructuralPartialEq for Proof

Auto Trait Implementations§

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impl Freeze for Proof

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impl RefUnwindSafe for Proof

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impl Send for Proof

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impl Sync for Proof

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impl Unpin for Proof

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impl UnwindSafe for Proof

Blanket Implementations§

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

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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,

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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,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> Conv for T

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fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<T> EventDomainType for T
where T: DomainType, <T as DomainType>::Proto: ProtoEvent, Error: From<<T as TryFrom<<T as DomainType>::Proto>>::Error>,

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fn try_from_event(event: &Event) -> Result<Self, Error>

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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more
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fn from(t: T) -> T

Returns the argument unchanged.

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

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Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn into_either(self, into_left: bool) -> Either<Self, Self>

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request
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where T: ?Sized,

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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
where Self: Sized,

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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
where R: 'a,

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where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

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const ALIGN: usize = _

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fn tap(self, func: impl FnOnce(&Self)) -> Self

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where Self: Deref<Target = T>, T: ?Sized,

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