snarkvm_console_account/view_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 ViewKey<N> {
19    /// Reads an account view key from a buffer.
20    fn read_le<R: Read>(mut reader: R) -> IoResult<Self> {
21        Ok(Self::from_scalar(Scalar::new(FromBytes::read_le(&mut reader)?)))
22    }
23}
24
25impl<N: Network> ToBytes for ViewKey<N> {
26    /// Writes an account view key to a buffer.
27    fn write_le<W: Write>(&self, mut writer: W) -> IoResult<()> {
28        self.0.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 view key.
47            let private_key = PrivateKey::<CurrentNetwork>::new(&mut rng)?;
48            let expected = ViewKey::try_from(private_key)?;
49
50            // Check the byte representation.
51            let expected_bytes = expected.to_bytes_le()?;
52            assert_eq!(expected, ViewKey::read_le(&expected_bytes[..])?);
53            assert!(ViewKey::<CurrentNetwork>::read_le(&expected_bytes[1..]).is_err());
54        }
55        Ok(())
56    }
57}
snarkvm_console_account/view_key/bytes.rs

snarkvm_console_account/view_key/
bytes.rs
