# Struct zebra_chain::orchard::shielded_data::Flags

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

Per-Transaction flags for Orchard.

The spend and output flags are passed to the Halo2Proof verifier, which verifies the relevant note spending and creation consensus rules.

## Consensus

[NU5 onward] In a version 5 transaction, the reserved bits 2..7 of the flagsOrchard field MUST be zero.

https://zips.z.cash/protocol/protocol.pdf#txnconsensus

(bitflags restricts its values to the set of valid flags)

## Implementations

Enable spending non-zero valued Orchard notes.

“the enableSpendsOrchard flag, if present, MUST be 0 for coinbase transactions”

Enable creating new non-zero valued Orchard notes.

Returns an empty set of flags.

Returns the set containing all flags.

Returns the raw value of the flags currently stored.

Convert from underlying bit representation, unless that representation contains bits that do not correspond to a flag.

Convert from underlying bit representation, dropping any bits that do not correspond to flags.

Convert from underlying bit representation, preserving all bits (even those not corresponding to a defined flag).

##### Safety

The caller of the bitflags! macro can chose to allow or disallow extra bits for their bitflags type.

The caller of from_bits_unchecked() has to ensure that all bits correspond to a defined flag or that extra bits are valid for this bitflags type.

Returns true if no flags are currently stored.

Returns true if all flags are currently set.

Returns true if there are flags common to both self and other.

Returns true if all of the flags in other are contained within self.

Inserts the specified flags in-place.

Removes the specified flags in-place.

Toggles the specified flags in-place.

Inserts or removes the specified flags depending on the passed value.

Returns the intersection between the flags in self and other.

Specifically, the returned set contains only the flags which are present in both self and other.

This is equivalent to using the & operator (e.g. ops::BitAnd), as in flags & other.

Returns the union of between the flags in self and other.

Specifically, the returned set contains all flags which are present in either self or other, including any which are present in both (see Self::symmetric_difference if that is undesirable).

This is equivalent to using the | operator (e.g. ops::BitOr), as in flags | other.

Returns the difference between the flags in self and other.

Specifically, the returned set contains all flags present in self, except for the ones present in other.

It is also conceptually equivalent to the “bit-clear” operation: flags & !other (and this syntax is also supported).

This is equivalent to using the - operator (e.g. ops::Sub), as in flags - other.

Returns the symmetric difference between the flags in self and other.

Specifically, the returned set contains the flags present which are present in self or other, but that are not present in both. Equivalently, it contains the flags present in exactly one of the sets self and other.

This is equivalent to using the ^ operator (e.g. ops::BitXor), as in flags ^ other.

Returns the complement of this set of flags.

Specifically, the returned set contains all the flags which are not set in self, but which are allowed for this type.

Alternatively, it can be thought of as the set difference between Self::all() and self (e.g. Self::all() - self)

This is equivalent to using the ! operator (e.g. ops::Not), as in !flags.

## Trait Implementations

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Returns the intersection between the two sets of flags.

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Disables all flags disabled in the set.

Returns the union of the two sets of flags.

The resulting type after applying the | operator.

Returns the left flags, but with all the right flags toggled.

The resulting type after applying the ^ operator.

Toggles the set of flags.

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Returns the complement of this set of flags.

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Returns the set difference of the two sets of flags.

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Disables all flags enabled in the set.

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## Blanket Implementations

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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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