zebra/zebra-chain/src/notes/sapling.rs

//! Sapling notes

#![allow(clippy::unit_arg)]
#![allow(dead_code)]

#[cfg(test)]
mod arbitrary;
mod ciphertexts;
mod nullifiers;

use crate::{
    amount::{Amount, NonNegative},
    commitments::sapling::CommitmentRandomness,
    keys::sapling::{Diversifier, TransmissionKey},
    notes::memo::Memo,
};

pub use ciphertexts::{EncryptedCiphertext, OutCiphertext};

pub use nullifiers::Nullifier;

/// A Note represents that a value is spendable by the recipient who
/// holds the spending key corresponding to a given shielded payment
/// address.
pub struct Note {
    /// The diversifer of the recipient’s shielded payment address.
    pub diversifier: Diversifier,
    /// The diversified transmission key of the recipient’s shielded
    /// payment address.
    pub transmission_key: TransmissionKey,
    /// An integer representing the value of the note in zatoshi.
    pub value: Amount<NonNegative>,
    /// A random commitment trapdoor used to produce the associated
    /// note commitment.
    pub rcm: CommitmentRandomness,
}

/// The decrypted form of encrypted Sapling notes on the blockchain.
pub struct NotePlaintext {
    diversifier: Diversifier,
    value: Amount<NonNegative>,
    rcm: CommitmentRandomness,
    memo: Memo,
}