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Refine Note types a little more

This commit is contained in:
Deirdre Connolly 2020-02-22 21:40:48 -05:00 committed by Deirdre Connolly
parent a6a3a640ca
commit af455f9896
2 changed files with 16 additions and 4 deletions
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9
zebra-chain/src/note_encryption/sapling.rs
View File

@ -16,8 +16,13 @@ use super::*;
pub struct Diversifier(pub [u8; 11]); pub struct Diversifier(pub [u8; 11]);
pub struct Note { pub struct Note {
value: u64,
diversifier: Diversifier, diversifier: Diversifier,
// TODO: refine as a type, derived from a scalar mult of the
// diversifier as a jubjub group element and the incoming view key
// scalar.
transmission_key: [u8; 32],
value: u64,
note_commitment_randomness: NoteCommitmentRandomness,
} }
/// The decrypted form of encrypted Sapling notes on the blockchain. /// The decrypted form of encrypted Sapling notes on the blockchain.
@ -25,7 +30,7 @@ pub struct NotePlaintext {
diversifier: Diversifier, diversifier: Diversifier,
value: u64, value: u64,
// TODO: refine as jub-jub appropriate in the base field. // TODO: refine as jub-jub appropriate in the base field.
note_committment_randomness: NoteCommitmentRandomness, note_commitment_randomness: NoteCommitmentRandomness,
memo: memo::Memo, memo: memo::Memo,
} }

11
zebra-chain/src/note_encryption/sprout.rs
View File

@ -10,7 +10,14 @@ use crate::serialization::{SerializationError, ZcashDeserialize, ZcashSerialize}
use super::*; use super::*;
pub struct Note {} pub struct Note {
// TODO: refine type as a SHA-256d output derived from a spending key.
paying_key: [u8; 32],
value: u64,
// TODO: refine type as the input to the PRF that results in a nullifier.
nullifier_seed: [u8; 32],
note_commitment_randomness: NoteCommitmentRandomness,
}
/// The decrypted form of encrypted Sprout notes on the blockchain. /// The decrypted form of encrypted Sprout notes on the blockchain.
pub struct NotePlaintext { pub struct NotePlaintext {
@ -18,7 +25,7 @@ pub struct NotePlaintext {
// TODO: refine type // TODO: refine type
rho: [u8; 32], rho: [u8; 32],
// TODO: refine as jub-jub appropriate in the base field. // TODO: refine as jub-jub appropriate in the base field.
note_committment_randomness: NoteCommitmentRandomness, note_commitment_randomness: NoteCommitmentRandomness,
memo: memo::Memo, memo: memo::Memo,
} }