Struct miden_objects::accounts::delta::AccountDelta

pub struct AccountDelta { /* private fields */ }

AccountDelta stores the differences between two account states.

The differences are represented as follows:

• storage: an AccountStorageDelta that contains the changes to the account storage.
• vault: an AccountVaultDelta object that contains the changes to the account vault.
• nonce: if the nonce of the account has changed, the new nonce is stored here.

TODO: add ability to trace account code updates.

Implementations

impl AccountDelta

pub fn new( storage: AccountStorageDelta, vault: AccountVaultDelta, nonce: Option<Felt> ) -> Result<Self, AccountDeltaError>

Returns new AccountDelta instantiated from the provided components.

Errors

Returns an error if:

• Storage or vault deltas are invalid.
• Storage and vault deltas are empty, and the nonce was updated.
• Storage or vault deltas are not empty, but nonce was not updated.

pub fn is_empty(&self) -> bool

Returns true if this account delta does not contain any updates.

pub fn storage(&self) -> &AccountStorageDelta

Returns storage updates for this account delta.

pub fn vault(&self) -> &AccountVaultDelta

Returns vault updates for this account delta.

pub fn nonce(&self) -> Option<Felt>

Returns the new nonce, if the nonce was changes.

pub fn into_parts( self ) -> (AccountStorageDelta, AccountVaultDelta, Option<Felt>)

Converts this storage delta into individual delta components.

Trait Implementations

impl Clone for AccountDelta

fn clone(&self) -> AccountDelta

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for AccountDelta

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

Formats the value using the given formatter.

impl Default for AccountDelta

fn default() -> AccountDelta

Returns the “default value” for a type.

impl Deserializable for AccountDelta

fn read_from<R: ByteReader>( source: &mut R ) -> Result<Self, DeserializationError>

Reads a sequence of bytes from the provided source, attempts to deserialize these bytes into Self, and returns the result.

fn read_from_bytes(bytes: &[u8]) -> Result<Self, DeserializationError>

Attempts to deserialize the provided bytes into Self and returns the result.

impl PartialEq for AccountDelta

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

This method tests for self and other values to be equal, and is used by ==.

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.

impl Serializable for AccountDelta

fn write_into<W: ByteWriter>(&self, target: &mut W)

Serializes self into bytes and writes these bytes into the target.

fn to_bytes(&self) -> Vec<u8>

Serializes self into a vector of bytes.

fn get_size_hint(&self) -> usize

Returns an estimate of how many bytes are needed to represent self.

impl Eq for AccountDelta

impl StructuralPartialEq for AccountDelta