pub struct StateUpdates {
    pub by_node: IndexMap<NodeId, NodeStateUpdates>,
}
Expand description

A tree-like description of all updates that happened to a stored state, to be included as a part of a transaction receipt. This structure is indexed (i.e. uses IndexMaps where Vecs could be used) for convenience and performance, since both the source (i.e. Track) and the sink (i.e. Database and API) operate on indexed structures too. This structure maintains partial information on the order of operations (please see individual fields for details), since the end users care about it. Please note that this means multiple instances of StateUpdates can represent the same transform of state store (i.e. differing only by order of some operations), and hence it is not 100% “canonical form”.

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§by_node: IndexMap<NodeId, NodeStateUpdates>

Indexed Node-level updates, captured in the order of first update operation to a Node.

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impl StateUpdates

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pub fn of_node(&mut self, node_id: NodeId) -> &mut NodeStateUpdates

Starts a Node-level update.

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pub fn into_legacy(self) -> LegacyStateUpdates

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impl StateUpdates

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pub fn create_database_updates<M: DatabaseKeyMapper>(&self) -> DatabaseUpdates

Uses the given DatabaseKeyMapper to express self using database-level key encoding.

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impl<X: CustomValueKind> Categorize<X> for StateUpdates

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impl Clone for StateUpdates

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fn clone(&self) -> StateUpdates

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 StateUpdates

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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<D: Decoder<X>, X: CustomValueKind> Decode<X, D> for StateUpdates

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fn decode_body_with_value_kind( decoder: &mut D, value_kind: ValueKind<X> ) -> Result<Self, DecodeError>

Decodes the type from the decoder, which should match a preloaded value kind. Read more
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impl Default for StateUpdates

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fn default() -> StateUpdates

Returns the “default value” for a type. Read more
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impl<C: CustomTypeKind<RustTypeId>> Describe<C> for StateUpdates

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const TYPE_ID: RustTypeId = _

The TYPE_ID should give a unique identifier for its SBOR schema type. An SBOR schema type capture details about the SBOR payload, how it should be interpreted, validated and displayed. Read more
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fn type_data() -> TypeData<C, RustTypeId>

Returns the local schema for the given type. Read more
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fn add_all_dependencies(aggregator: &mut TypeAggregator<C>)

For each type referenced in get_local_type_data, we need to ensure that the type and all of its own references get added to the aggregator. Read more
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impl<E: Encoder<X>, X: CustomValueKind> Encode<X, E> for StateUpdates

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fn encode_value_kind(&self, encoder: &mut E) -> Result<(), EncodeError>

Encodes the SBOR value’s kind to the encoder
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fn encode_body(&self, encoder: &mut E) -> Result<(), EncodeError>

Encodes the SBOR body of the type to the encoder. Read more
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impl From<LegacyStateUpdates> for StateUpdates

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fn from(legacy_state_updates: LegacyStateUpdates) -> Self

Converts to this type from the input type.
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impl From<StateUpdates> for LegacyStateUpdates

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fn from(state_updates: StateUpdates) -> Self

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

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fn eq(&self, other: &StateUpdates) -> 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<X: CustomValueKind> SborTuple<X> for StateUpdates

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impl Eq for StateUpdates

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impl StructuralPartialEq for StateUpdates

Auto Trait Implementations§

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<U> As for U

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fn as_<T>(self) -> T
where T: CastFrom<U>,

Casts self to type T. The semantics of numeric casting with the as operator are followed, so <T as As>::as_::<U> can be used in the same way as T as U for numeric conversions. 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> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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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

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<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 T
where 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> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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Mutably dereferences the given pointer. Read more
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Should always be Self
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The resulting type after obtaining ownership.
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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 T
where 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 T
where 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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Performs the conversion.
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fn vzip(self) -> V

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impl<T> ScryptoSborTuple for T