pub struct MerkleTreeKey(_);
Expand description

The safe Merkle tree storage key prevents Merkle tree structure manipulations. The type contains only one constructor that hashes the storage key.

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impl MerkleTreeKey

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pub fn new<B>(storage_key: B) -> Selfwhere B: AsRef<[u8]>,

The safe way to create a Self. It hashes the storage_key, making it entirely random and preventing SMT structure manipulation.

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pub unsafe fn convert<B>(storage_key: B) -> Selfwhere B: Into<Bytes32>,

Unsafe analog to create a Self that doesn’t hash the storage_key unlike Self::new.

Safety

It is safe to use this method if you know that storage_key was randomly generated like ContractId or AssetId.

Trait Implementations§

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impl Clone for MerkleTreeKey

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fn clone(&self) -> MerkleTreeKey

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 MerkleTreeKey

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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 From<MerkleTreeKey> for Bytes32

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fn from(value: MerkleTreeKey) -> Self

Converts to this type from the input type.
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impl Copy for MerkleTreeKey

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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<T> Same<T> for T

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type Output = T

Should always be Self
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impl<T> StorageAsMut for T

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fn storage<Type>(&mut self) -> StorageMut<'_, Self, Type>where Type: Mappable,

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fn storage_as_mut<Type>(&mut self) -> StorageMut<'_, Self, Type>where Type: Mappable,

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impl<T> StorageAsRef for T

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fn storage<Type>(&self) -> StorageRef<'_, Self, Type>where Type: Mappable,

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fn storage_as_ref<Type>(&self) -> StorageRef<'_, Self, Type>where Type: Mappable,

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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

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