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LockedInputPolicy

zcash_client_backend::data_api::locking

Enum LockedInputPolicy 

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pub enum LockedInputPolicy {
    Exclude,
    PreferUnlocked(NonEmptyBTreeSet<LockOwner>),
    PreferLocked(NonEmptyBTreeSet<LockOwner>),
}
Expand description

Governs whether input selection may draw on locked outputs, and with what preference.

Locks are advisory. The default, Self::Exclude, never selects a locked output. The overriding variants each carry the set of lock owners whose locks may be drawn upon; a locked output whose owner is not in that set is never selected, regardless of variant. This keeps an override scoped to a known reason (e.g. the wallet’s own pool-migration PCZTs) and leaves every other flow’s locks intact. Overriding here only spends through a lock during selection; it never releases the lock.

Variants§

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Exclude

Never select locked outputs.

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PreferUnlocked(NonEmptyBTreeSet<LockOwner>)

Prefer unlocked outputs; draw on outputs locked by one of these owners only as needed to reach the target value.

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PreferLocked(NonEmptyBTreeSet<LockOwner>)

Prefer outputs locked by one of these owners; draw on unlocked outputs only as needed to reach the target value.

Implementations§

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impl LockedInputPolicy

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pub fn overridable_owners(&self) -> &BTreeSet<LockOwner>

The set of lock owners whose locked outputs this policy admits (empty for Exclude).

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pub fn prefers_locked(&self) -> bool

Whether locked (overridable) outputs are preferred ahead of unlocked ones.

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pub fn admits_locked(&self) -> bool

Whether any locked outputs may be selected at all.

Trait Implementations§

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impl Clone for LockedInputPolicy

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for LockedInputPolicy

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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 Default for LockedInputPolicy

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Eq for LockedInputPolicy

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impl PartialEq for LockedInputPolicy

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for LockedInputPolicy

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