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// Copyright (C) 2019-2022 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 super::*;

impl<N: Network> Serialize for ComputeKey<N> {
    /// Serializes an account compute key into bytes.
    fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
        ToBytesSerializer::serialize(self, serializer)
    }
}

impl<'de, N: Network> Deserialize<'de> for ComputeKey<N> {
    /// Deserializes an account compute key from bytes.
    fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
        FromBytesDeserializer::<Self>::deserialize(
            deserializer,
            "compute key",
            2 * ((N::Field::size_in_bits() + 7) / 8),
        )
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use snarkvm_console_network::Testnet3;

    type CurrentNetwork = Testnet3;

    const ITERATIONS: u64 = 1000;

    #[test]
    fn test_bincode() -> Result<()> {
        let mut rng = TestRng::default();

        for _ in 0..ITERATIONS {
            // Sample a new compute key.
            let private_key = PrivateKey::<CurrentNetwork>::new(&mut rng)?;
            let expected = ComputeKey::try_from(private_key)?;

            // Serialize
            let expected_bytes = expected.to_bytes_le()?;
            assert_eq!(&expected_bytes[..], &bincode::serialize(&expected)?[..]);

            // Deserialize
            assert_eq!(expected, ComputeKey::read_le(&expected_bytes[..])?);
            assert_eq!(expected, bincode::deserialize(&expected_bytes[..])?);
        }
        Ok(())
    }
}