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Add impl Distribution<MerkleHashOrchard> for Standard for testing. #423

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Merged
nuttycom merged 1 commit into from
Mar 19, 2024
Merged

Add impl Distribution<MerkleHashOrchard> for Standard for testing. #423

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13 changes: 11 additions & 2 deletions src/tree.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -264,14 +264,23 @@ impl<'de> Deserialize<'de> for MerkleHashOrchard {
#[cfg(feature = "test-dependencies")]
pub mod testing {
use ff::Field;
use rand::RngCore;
use rand::{
distributions::{Distribution, Standard},
RngCore,
};

use super::MerkleHashOrchard;

impl MerkleHashOrchard {
/// Return a random fake `MerkleHashOrchard`.
pub fn random(rng: &mut impl RngCore) -> Self {
Self(pasta_curves::Fp::random(rng))
Standard.sample(rng)
}
}

impl Distribution<MerkleHashOrchard> for Standard {
fn sample<R: rand::Rng + ?Sized>(&self, rng: &mut R) -> MerkleHashOrchard {
MerkleHashOrchard(pasta_curves::Fp::random(rng))
}
}
}
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