primitives/algebra/
biguint.rs

1use derive_more::derive::{AsMut, AsRef, Deref, DerefMut, From};
2use serde::{Deserialize, Serialize};
3
4// TODO: Remove once v0.7.0 is released
5
6/// A wrapper around `crypto_bigint::BoxedUint` that implements `Serialize` and `Deserialize`.
7#[derive(Debug, Clone, Deref, DerefMut, PartialEq, Eq, Hash, AsRef, AsMut, From)]
8#[as_ref(forward)]
9#[from(forward)]
10pub struct BoxedUint(crypto_bigint::BoxedUint);
11
12impl Serialize for BoxedUint {
13    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
14    where
15        S: serde::Serializer,
16    {
17        let bytes = self.0.to_le_bytes();
18        bytes.serialize(serializer)
19    }
20}
21
22impl<'de> Deserialize<'de> for BoxedUint {
23    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
24    where
25        D: serde::Deserializer<'de>,
26    {
27        let bytes = Vec::<u8>::deserialize(deserializer)?;
28        let bits_precision = bytes.len() * 8;
29        let boxed_uint = crypto_bigint::BoxedUint::from_le_slice(&bytes, bits_precision as u32)
30            .map_err(serde::de::Error::custom)?;
31        Ok(BoxedUint(boxed_uint))
32    }
33}
primitives/algebra/biguint.rs

primitives/algebra/
biguint.rs
