1  // Copyright (c) 2019-2025 Alpha-Delta Network Inc.
 2  // This file is part of the deltavm 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  
16  use super::*;
17  
18  impl<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  
29  impl<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)]
39  mod 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.r#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  }