orchard/src/address.rs

41 lines
1.1 KiB
Rust

use pasta_curves::pallas;
use crate::{
keys::{DiversifiedTransmissionKey, Diversifier},
spec::diversify_hash,
};
/// A shielded payment address.
///
/// # Examples
///
/// ```
/// use orchard::keys::{SpendingKey, FullViewingKey};
///
/// let sk = SpendingKey::from_bytes([7; 32]).unwrap();
/// let address = FullViewingKey::from(&sk).default_address();
/// ```
#[derive(Debug)]
pub struct Address {
d: Diversifier,
pk_d: DiversifiedTransmissionKey,
}
impl Address {
pub(crate) fn from_parts(d: Diversifier, pk_d: DiversifiedTransmissionKey) -> Self {
// We assume here that pk_d is correctly-derived from d. We ensure this for
// internal APIs. For parsing from raw byte encodings, we assume that users aren't
// modifying internals of encoded address formats. If they do, that can result in
// lost funds, but we can't defend against that from here.
Address { d, pk_d }
}
pub(crate) fn g_d(&self) -> pallas::Point {
diversify_hash(self.d.as_array())
}
pub(crate) fn pk_d(&self) -> &DiversifiedTransmissionKey {
&self.pk_d
}
}