snarkvm_console_program/state_path/transaction_leaf/
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 TransactionLeaf<N> {
19    /// Reads the transaction leaf from a buffer.
20    fn read_le<R: Read>(mut reader: R) -> IoResult<Self> {
21        // Read the variant.
22        let variant = FromBytes::read_le(&mut reader)?;
23        // Read the index.
24        let index = FromBytes::read_le(&mut reader)?;
25        // Read the ID.
26        let id = FromBytes::read_le(&mut reader)?;
27        // Return the transaction leaf.
28        Ok(Self::from(variant, index, id))
29    }
30}
31
32impl<N: Network> ToBytes for TransactionLeaf<N> {
33    /// Writes the transaction leaf to a buffer.
34    fn write_le<W: Write>(&self, mut writer: W) -> IoResult<()> {
35        // Write the variant.
36        self.variant.write_le(&mut writer)?;
37        // Write the index.
38        self.index.write_le(&mut writer)?;
39        // Write the ID.
40        self.id.write_le(&mut writer)
41    }
42}
43
44#[cfg(test)]
45mod tests {
46    use super::*;
47
48    const ITERATIONS: u64 = 1000;
49
50    #[test]
51    fn test_bytes() -> Result<()> {
52        let mut rng = TestRng::default();
53
54        for _ in 0..ITERATIONS {
55            // Sample the leaf.
56            let expected = test_helpers::sample_leaf(&mut rng);
57
58            // Check the byte representation.
59            let expected_bytes = expected.to_bytes_le()?;
60            assert_eq!(expected, TransactionLeaf::read_le(&expected_bytes[..])?);
61        }
62        Ok(())
63    }
64}
snarkvm_console_program/state_path/transaction_leaf/bytes.rs

snarkvm_console_program/state_path/transaction_leaf/
bytes.rs
