Enum DescriptorKey 

pub enum DescriptorKey {
    Single(PublicKey),
    Xpub {
        xpub: ExtendedPublicKey,
        origin: Option<KeyOrigin>,
        derivation: Vec<ChildNumber>,
        wildcard: Wildcard,
    },
    Xprv {
        xprv: ExtendedPrivateKey,
        origin: Option<KeyOrigin>,
        derivation: Vec<ChildNumber>,
        wildcard: Wildcard,
    },
}

A key expression in a descriptor

Variants

Single(PublicKey)

Raw public key (compressed, 33 bytes)

Xpub

Extended public key with optional origin and derivation

Fields

xpub: ExtendedPublicKey

The extended public key

origin: Option<KeyOrigin>

Optional origin information

derivation: Vec<ChildNumber>

Additional derivation path after xpub

wildcard: Wildcard

Wildcard for range derivation

Xprv

Extended private key with optional origin and derivation

Fields

xprv: ExtendedPrivateKey

The extended private key

origin: Option<KeyOrigin>

Optional origin information

derivation: Vec<ChildNumber>

Additional derivation path after xprv

wildcard: Wildcard

Wildcard for range derivation

Implementations

impl DescriptorKey

pub fn from_public_key(pubkey: PublicKey) -> Self

Create from a single public key

pub fn from_xpub(xpub: ExtendedPublicKey) -> Self

Create from an extended public key

pub fn from_xprv(xprv: ExtendedPrivateKey) -> Self

Create from an extended private key

pub fn has_wildcard(&self) -> bool

Check if this key has a wildcard

pub fn derive_public_key( &self, index: u32, ) -> Result<PublicKey, DescriptorError>

Derive the public key at a specific index (for wildcards)

pub fn public_key(&self) -> Result<PublicKey, DescriptorError>

Get the public key (for non-wildcard keys)

Trait Implementations

impl Clone for DescriptorKey

fn clone(&self) -> DescriptorKey

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DescriptorKey

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for DescriptorKey

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.