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pub mod error;
pub mod mlsag;
pub mod ringct;
#[cfg(feature = "serde")]
pub use serde;
pub use sn_bulletproofs::{self, blstrs, group, rand};
use sn_bulletproofs::{
blstrs::{G1Projective, Scalar},
group::{ff::Field, Group},
rand::RngCore,
PedersenGens,
};
pub use error::Error;
pub use mlsag::{DecoyInput, MlsagMaterial, MlsagSignature, TrueInput};
pub use ringct::{Output, RingCtMaterial};
#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};
pub type Result<T> = std::result::Result<T, Error>;
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
#[derive(Debug, Clone, Copy)]
pub struct RevealedCommitment {
pub value: u64,
pub blinding: Scalar,
}
impl RevealedCommitment {
pub fn to_bytes(&self) -> Vec<u8> {
let mut v: Vec<u8> = Default::default();
v.extend(&self.value.to_le_bytes());
v.extend(&self.blinding.to_bytes_le());
v
}
pub fn from_value(value: u64, mut rng: impl RngCore) -> Self {
Self {
value,
blinding: Scalar::random(&mut rng),
}
}
pub fn commit(&self, pc_gens: &PedersenGens) -> G1Projective {
pc_gens.commit(Scalar::from(self.value), self.blinding)
}
pub fn value(&self) -> u64 {
self.value
}
pub fn blinding(&self) -> Scalar {
self.blinding
}
}
pub fn hash_to_curve(p: G1Projective) -> G1Projective {
const DOMAIN: &[u8; 25] = b"blst-ringct-hash-to-curve";
G1Projective::hash_to_curve(&p.to_compressed(), DOMAIN, &[])
}
pub fn public_key<S: Into<Scalar>>(secret_key: S) -> G1Projective {
G1Projective::generator() * secret_key.into()
}
pub fn key_image<S: Into<Scalar>>(secret_key: S) -> G1Projective {
let sk = secret_key.into();
hash_to_curve(public_key(sk)) * sk
}
#[cfg(test)]
mod tests {
#[test]
fn it_works() {
let result = 2 + 2;
assert_eq!(result, 4);
}
}