pub enum VerifyError<HO, CE> {
    DuplicateKey(Vec<u8>),
    ExtraneousNode,
    ExtraneousValue(Vec<u8>),
    ExtraneousHashReference(HO),
    InvalidChildReference(Vec<u8>),
    ValueMismatch(Vec<u8>),
    IncompleteProof,
    RootMismatch(HO),
    DecodeError(CE),
}
Expand description

Errors that may occur during proof verification. Most of the errors types simply indicate that the proof is invalid with respect to the statement being verified, and the exact error type can be used for debugging.

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DuplicateKey(Vec<u8>)

The statement being verified contains multiple key-value pairs with the same key. The parameter is the duplicated key.

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ExtraneousNode

The proof contains at least one extraneous node.

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ExtraneousValue(Vec<u8>)

The proof contains at least one extraneous value which should have been omitted from the proof.

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ExtraneousHashReference(HO)

The proof contains at least one extraneous hash reference the should have been omitted.

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InvalidChildReference(Vec<u8>)

The proof contains an invalid child reference that exceeds the hash length.

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ValueMismatch(Vec<u8>)

The proof indicates that an expected value was not found in the trie.

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IncompleteProof

The proof is missing trie nodes required to verify.

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RootMismatch(HO)

The root hash computed from the proof is incorrect.

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DecodeError(CE)

One of the proof nodes could not be decoded.

Trait Implementations§

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impl<HO: Debug, CE: Debug> Debug for Error<HO, CE>

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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<HO: Debug, CE: Error> Display for Error<HO, CE>

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

Formats the value using the given formatter. Read more
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impl<HO: Debug, CE: Error + 'static> Error for Error<HO, CE>

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fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'a self, demand: &mut Demand<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type based access to context intended for error reports. Read more
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impl<HO: PartialEq, CE: PartialEq> PartialEq<Error<HO, CE>> for Error<HO, CE>

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fn eq(&self, other: &Error<HO, CE>) -> bool

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<HO: Eq, CE: Eq> Eq for Error<HO, CE>

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impl<HO, CE> StructuralEq for Error<HO, CE>

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impl<HO, CE> StructuralPartialEq for Error<HO, CE>

Auto Trait Implementations§

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impl<HO, CE> RefUnwindSafe for Error<HO, CE>where CE: RefUnwindSafe, HO: RefUnwindSafe,

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impl<HO, CE> Send for Error<HO, CE>where CE: Send, HO: Send,

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impl<HO, CE> Sync for Error<HO, CE>where CE: Sync, HO: Sync,

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impl<HO, CE> Unpin for Error<HO, CE>where CE: Unpin, HO: Unpin,

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impl<HO, CE> UnwindSafe for Error<HO, CE>where CE: UnwindSafe, HO: UnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<E> Provider for Ewhere E: Error + ?Sized,

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fn provide<'a>(&'a self, demand: &mut Demand<'a>)

🔬This is a nightly-only experimental API. (provide_any)
Data providers should implement this method to provide all values they are able to provide by using demand. Read more
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impl<T> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> MaybeDebug for Twhere T: Debug,