snarkvm_ledger_puzzle/partial_solution/
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 PartialSolution<N> {
19    /// Reads the partial solution from the buffer.
20    fn read_le<R: Read>(mut reader: R) -> IoResult<Self> {
21        let epoch_hash = N::BlockHash::read_le(&mut reader)?;
22        let address = Address::<N>::read_le(&mut reader)?;
23        let counter = u64::read_le(&mut reader)?;
24
25        Self::new(epoch_hash, address, counter).map_err(error)
26    }
27}
28
29impl<N: Network> ToBytes for PartialSolution<N> {
30    /// Writes the partial solution to the buffer.
31    fn write_le<W: Write>(&self, mut writer: W) -> IoResult<()> {
32        self.epoch_hash.write_le(&mut writer)?;
33        self.address.write_le(&mut writer)?;
34        self.counter.write_le(&mut writer)
35    }
36}
37
38#[cfg(test)]
39mod tests {
40    use super::*;
41    use console::{account::PrivateKey, network::MainnetV0};
42
43    type CurrentNetwork = MainnetV0;
44
45    #[test]
46    fn test_bytes() -> Result<()> {
47        let mut rng = TestRng::default();
48        let private_key = PrivateKey::<CurrentNetwork>::new(&mut rng)?;
49        let address = Address::try_from(private_key)?;
50
51        // Sample a new partial solution.
52        let expected = PartialSolution::new(rng.gen(), address, u64::rand(&mut rng)).unwrap();
53
54        // Check the byte representation.
55        let expected_bytes = expected.to_bytes_le()?;
56        assert_eq!(expected, PartialSolution::read_le(&expected_bytes[..])?);
57        assert!(PartialSolution::<CurrentNetwork>::read_le(&expected_bytes[1..]).is_err());
58
59        Ok(())
60    }
61}
snarkvm_ledger_puzzle/partial_solution/bytes.rs

snarkvm_ledger_puzzle/partial_solution/
bytes.rs
