snarkvm_console_account/private_key/
bytes.rs

1// Copyright (c) 2019-2025 Provable Inc.
2// This file is part of the snarkVM library.
3
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at:
7
8// http://www.apache.org/licenses/LICENSE-2.0
9
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15
16use super::*;
17
18impl<N: Network> FromBytes for PrivateKey<N> {
19    /// Reads an account private key from a buffer.
20    fn read_le<R: Read>(mut reader: R) -> IoResult<Self> {
21        Self::try_from(Field::new(FromBytes::read_le(&mut reader)?)).map_err(|e| error(format!("{e}")))
22    }
23}
24
25impl<N: Network> ToBytes for PrivateKey<N> {
26    /// Writes an account private key to a buffer.
27    fn write_le<W: Write>(&self, mut writer: W) -> IoResult<()> {
28        self.seed.write_le(&mut writer)
29    }
30}
31
32#[cfg(test)]
33mod tests {
34    use super::*;
35    use snarkvm_console_network::MainnetV0;
36
37    type CurrentNetwork = MainnetV0;
38
39    const ITERATIONS: u64 = 1000;
40
41    #[test]
42    fn test_bytes() -> Result<()> {
43        let mut rng = TestRng::default();
44
45        for _ in 0..ITERATIONS {
46            // Sample a new private key.
47            let expected = PrivateKey::<CurrentNetwork>::new(&mut rng)?;
48
49            // Check the byte representation.
50            let expected_bytes = expected.to_bytes_le()?;
51            assert_eq!(expected, PrivateKey::read_le(&expected_bytes[..])?);
52            assert!(PrivateKey::<CurrentNetwork>::read_le(&expected_bytes[1..]).is_err());
53        }
54        Ok(())
55    }
56}