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orchard
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Impl PartialOrd and Ord for OrchardFixedBases

This commit is contained in:
therealyingtong 2021-03-26 11:59:08 +08:00
parent 21060393fe
commit 70ce1ca53f
1 changed files with 27 additions and 5 deletions
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32
src/constants.rs
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@ -69,11 +69,11 @@ pub enum OrchardFixedBases<C: CurveAffine> {
impl<C: CurveAffine> std::hash::Hash for OrchardFixedBases<C> {
fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
match *self {
OrchardFixedBases::CommitIvkR(_) => state.write(b"CommitIvkR"),
OrchardFixedBases::NoteCommitR(_) => state.write(b"NoteCommitR"),
OrchardFixedBases::NullifierK(_) => state.write(b"NullifierK"),
OrchardFixedBases::ValueCommitR(_) => state.write(b"ValueCommitR"),
OrchardFixedBases::ValueCommitV(_) => state.write(b"ValueCommitV"),
OrchardFixedBases::CommitIvkR(_) => state.write(self.variant()),
OrchardFixedBases::NoteCommitR(_) => state.write(self.variant()),
OrchardFixedBases::NullifierK(_) => state.write(self.variant()),
OrchardFixedBases::ValueCommitR(_) => state.write(self.variant()),
OrchardFixedBases::ValueCommitV(_) => state.write(self.variant()),
}
}
}
@ -88,6 +88,16 @@ impl<C: CurveAffine> OrchardFixedBases<C> {
Self::ValueCommitV(inner) => *inner,
}
}
pub fn variant(&self) -> &[u8] {
match *self {
OrchardFixedBases::CommitIvkR(_) => b"CommitIvkR",
OrchardFixedBases::NoteCommitR(_) => b"NoteCommitR",
OrchardFixedBases::NullifierK(_) => b"NullifierK",
OrchardFixedBases::ValueCommitR(_) => b"ValueCommitR",
OrchardFixedBases::ValueCommitV(_) => b"ValueCommitV",
}
}
}
impl<C: CurveAffine> PartialEq for OrchardFixedBases<C> {
@ -98,6 +108,18 @@ impl<C: CurveAffine> PartialEq for OrchardFixedBases<C> {
impl<C: CurveAffine> Eq for OrchardFixedBases<C> {}
impl<C: CurveAffine> PartialOrd for OrchardFixedBases<C> {
fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
self.variant().partial_cmp(&other.variant())
}
}
impl<C: CurveAffine> Ord for OrchardFixedBases<C> {
fn cmp(&self, other: &Self) -> std::cmp::Ordering {
self.variant().cmp(&other.variant())
}
}
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub struct OrchardFixedBase<C: CurveAffine>(C);