pub struct Ownable2Step { /* private fields */ }Expand description
Two-step ownership management for account components.
This struct holds the current owner and any nominated (pending) owner. A nominated owner must explicitly accept the transfer before it takes effect, preventing accidental transfers to incorrect addresses.
§Storage Layout
The ownership data is stored in a single word:
Word: [owner_suffix, owner_prefix, nominated_owner_suffix, nominated_owner_prefix]
word[0] word[1] word[2] word[3]Implementations§
Source§impl Ownable2Step
impl Ownable2Step
Sourcepub const NAME: &'static str = "miden::standards::access::ownable2step"
pub const NAME: &'static str = "miden::standards::access::ownable2step"
The name of the component.
Sourcepub const fn name() -> AccountComponentName
pub const fn name() -> AccountComponentName
Returns the canonical AccountComponentName of this component.
Sourcepub fn code() -> &'static AccountComponentCode
pub fn code() -> &'static AccountComponentCode
Returns the AccountComponentCode of this component.
Sourcepub fn new(owner: AccountId) -> Ownable2Step
pub fn new(owner: AccountId) -> Ownable2Step
Creates a new Ownable2Step with the given owner and no nominated owner.
Sourcepub fn try_from_storage(
storage: &AccountStorage,
) -> Result<Ownable2Step, Ownable2StepError>
pub fn try_from_storage( storage: &AccountStorage, ) -> Result<Ownable2Step, Ownable2StepError>
Reads ownership data from account storage, validating any non-zero account IDs.
Returns an error if either owner or nominated owner contains an invalid (but non-zero) account ID.
Sourcepub fn try_from_word(word: Word) -> Result<Ownable2Step, Ownable2StepError>
pub fn try_from_word(word: Word) -> Result<Ownable2Step, Ownable2StepError>
Reconstructs an Ownable2Step from a raw storage word.
Format: [owner_suffix, owner_prefix, nominated_suffix, nominated_prefix]
Sourcepub fn slot_name() -> &'static StorageSlotName
pub fn slot_name() -> &'static StorageSlotName
Returns the StorageSlotName where ownership data is stored.
Sourcepub fn slot_schema() -> (StorageSlotName, StorageSlotSchema)
pub fn slot_schema() -> (StorageSlotName, StorageSlotSchema)
Returns the storage slot schema for the ownership configuration slot.
Sourcepub fn owner(&self) -> Option<AccountId>
pub fn owner(&self) -> Option<AccountId>
Returns the current owner, or None if ownership has been renounced.
Sourcepub fn nominated_owner(&self) -> Option<AccountId>
pub fn nominated_owner(&self) -> Option<AccountId>
Returns the nominated owner, or None if no transfer is in progress.
Sourcepub fn to_storage_slot(&self) -> StorageSlot
pub fn to_storage_slot(&self) -> StorageSlot
Converts this ownership data into a StorageSlot.
Sourcepub fn component_metadata() -> AccountComponentMetadata
pub fn component_metadata() -> AccountComponentMetadata
Returns the AccountComponentMetadata for this component.
Trait Implementations§
Source§impl From<Ownable2Step> for AccountComponent
impl From<Ownable2Step> for AccountComponent
Source§fn from(ownership: Ownable2Step) -> AccountComponent
fn from(ownership: Ownable2Step) -> AccountComponent
Converts to this type from the input type.
Auto Trait Implementations§
impl Freeze for Ownable2Step
impl RefUnwindSafe for Ownable2Step
impl Send for Ownable2Step
impl Sync for Ownable2Step
impl Unpin for Ownable2Step
impl UnsafeUnpin for Ownable2Step
impl UnwindSafe for Ownable2Step
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