// Copyright (C) 2019-2021 Aleo Systems Inc.
// This file is part of the snarkVM library.

// The snarkVM library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// The snarkVM library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with the snarkVM library. If not, see <https://www.gnu.org/licenses/>.

use crate::errors::PRFError;
use snarkvm_utilities::{FromBytes, ToBytes};

use std::{fmt::Debug, hash::Hash};

pub trait PRF {
    type Input: FromBytes + Default;
    type Output: ToBytes + Eq + Clone + Default + Hash;
    type Seed: FromBytes + ToBytes + PartialEq + Eq + Clone + Default + Debug;

    fn evaluate(seed: &Self::Seed, input: &Self::Input) -> Result<Self::Output, PRFError>;
}