zcash_client_backend::data_api

Struct Progress

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

A type representing the progress the wallet has made toward detecting all of the funds belonging to the wallet.

The window over which progress is computed spans from the wallet’s birthday to the current chain tip. It is divided into two regions, the “Scan Window” which covers the region from the wallet recovery height to the current chain tip, and the “Recovery Window” which covers the range from the wallet birthday to the wallet recovery height. If no wallet recovery height is available, the scan window will cover the entire range from the wallet birthday to the chain tip.

Progress for both scanning and recovery is represented in terms of the ratio between notes scanned and the total number of notes added to the chain in the relevant window. This ratio should only be used to compute progress percentages for display, and the numerator and denominator should not be treated as authoritative note counts. In the case that there are no notes in a given block range, the denominator of these values will be zero, so callers should always use checked division when converting the resulting values to percentages.

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impl Progress

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pub fn new(scan: Ratio<u64>, recovery: Option<Ratio<u64>>) -> Self

Constructs a new progress value from its constituent parts.

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pub fn scan(&self) -> Ratio<u64>

Returns the progress the wallet has made in scanning blocks for shielded notes belonging to the wallet between the wallet recovery height (or the wallet birthday if no recovery height is set) and the chain tip.

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pub fn recovery(&self) -> Option<Ratio<u64>>

Returns the progress the wallet has made in scanning blocks for shielded notes belonging to the wallet between the wallet birthday and the block height at which recovery from seed was initiated.

Returns None if no recovery height is set for the wallet.

Trait Implementations§

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impl Clone for Progress

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fn clone(&self) -> Progress

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 Progress

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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 Progress

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fn eq(&self, other: &Progress) -> 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 Copy for Progress

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impl Eq for Progress

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impl StructuralPartialEq for Progress

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