snarkvm_console_program/state_path/header_leaf/
bytes.rs

1// Copyright 2024 Aleo Network Foundation
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 HeaderLeaf<N> {
19    /// Reads the header leaf from a buffer.
20    fn read_le<R: Read>(mut reader: R) -> IoResult<Self> {
21        // Read the index.
22        let index = FromBytes::read_le(&mut reader)?;
23        // Read the ID.
24        let id = FromBytes::read_le(&mut reader)?;
25        // Return the header leaf.
26        Ok(Self::new(index, id))
27    }
28}
29
30impl<N: Network> ToBytes for HeaderLeaf<N> {
31    /// Writes the header leaf to a buffer.
32    fn write_le<W: Write>(&self, mut writer: W) -> IoResult<()> {
33        // Write the index.
34        self.index.write_le(&mut writer)?;
35        // Write the ID.
36        self.id.write_le(&mut writer)
37    }
38}
39
40#[cfg(test)]
41mod tests {
42    use super::*;
43
44    const ITERATIONS: u64 = 1000;
45
46    #[test]
47    fn test_bytes() -> Result<()> {
48        let mut rng = TestRng::default();
49
50        for _ in 0..ITERATIONS {
51            // Sample the leaf.
52            let expected = test_helpers::sample_leaf(&mut rng);
53
54            // Check the byte representation.
55            let expected_bytes = expected.to_bytes_le()?;
56            assert_eq!(expected, HeaderLeaf::read_le(&expected_bytes[..])?);
57        }
58        Ok(())
59    }
60}