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

use proptest::{arbitrary::any, collection::vec, prelude::*};

use crate::notes::sapling;

impl Arbitrary for sapling::EncryptedCiphertext {
    type Parameters = ();

    fn arbitrary_with(_args: Self::Parameters) -> Self::Strategy {
        (vec(any::<u8>(), 580))
            .prop_map(|v| {
                let mut bytes = [0; 580];
                bytes.copy_from_slice(v.as_slice());
                Self(bytes)
            })
            .boxed()
    }

    type Strategy = BoxedStrategy<Self>;
}

impl Arbitrary for sapling::OutCiphertext {
    type Parameters = ();

    fn arbitrary_with(_args: Self::Parameters) -> Self::Strategy {
        (vec(any::<u8>(), 80))
            .prop_map(|v| {
                let mut bytes = [0; 80];
                bytes.copy_from_slice(v.as_slice());
                Self(bytes)
            })
            .boxed()
    }

    type Strategy = BoxedStrategy<Self>;
}