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Document pub enum Rseed<Fs> with link to ZIP 212

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therealyingtong 2020-08-06 13:13:49 +08:00
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zcash_primitives/src/primitives.rs
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@ -223,6 +223,11 @@ impl<E: JubjubEngine> PaymentAddress<E> {
} }
} }
/// Enum for note randomness before and after [ZIP 212](https://zips.z.cash/zip-0212).
///
/// Before ZIP 212, the note commitment trapdoor `rcm` must be a scalar value.
/// After ZIP 212, the note randomness `rseed` is a 32-byte sequence, used to derive
/// both the note commitment trapdoor `rcm` and the ephemeral private key `esk`.
#[derive(Copy, Clone, Debug)] #[derive(Copy, Clone, Debug)]
pub enum Rseed<Fs> { pub enum Rseed<Fs> {
BeforeZip212(Fs), BeforeZip212(Fs),