sapling_crypto::builder

Struct SaplingMetadata

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pub struct SaplingMetadata { /* private fields */ }
Expand description

Metadata about a transaction created by a Builder.

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impl SaplingMetadata

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pub fn empty() -> Self

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pub fn spend_index(&self, n: usize) -> Option<usize>

Returns the index within the transaction of the SpendDescription corresponding to the n-th call to Builder::add_spend.

Note positions are randomized when building transactions for indistinguishability. This means that the transaction consumer cannot assume that e.g. the first spend they added (via the first call to Builder::add_spend) is the first SpendDescription in the transaction.

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pub fn output_index(&self, n: usize) -> Option<usize>

Returns the index within the transaction of the OutputDescription corresponding to the n-th call to Builder::add_output.

Note positions are randomized when building transactions for indistinguishability. This means that the transaction consumer cannot assume that e.g. the first output they added (via the first call to Builder::add_output) is the first OutputDescription in the transaction.

Trait Implementations§

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impl Clone for SaplingMetadata

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fn clone(&self) -> SaplingMetadata

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 SaplingMetadata

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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 PartialEq for SaplingMetadata

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for SaplingMetadata

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impl StructuralPartialEq for SaplingMetadata

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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where Self: LowerExp,

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where Self: LowerHex,

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where Self: Octal,

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