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 SolutionID<N> {
19      /// Reads the solution ID from the buffer.
20      fn read_le<R: Read>(mut reader: R) -> IoResult<Self> {
21          let nonce = u64::read_le(&mut reader)?;
22  
23          Ok(Self::from(nonce))
24      }
25  }
26  
27  impl<N: Network> ToBytes for SolutionID<N> {
28      /// Writes the solution ID to the buffer.
29      fn write_le<W: Write>(&self, mut writer: W) -> IoResult<()> {
30          self.0.write_le(&mut writer)
31      }
32  }
33  
34  #[cfg(test)]
35  mod tests {
36      use super::*;
37      use console::network::MainnetV0;
38  
39      type CurrentNetwork = MainnetV0;
40  
41      #[test]
42      fn test_bytes() -> Result<()> {
43          let mut rng = TestRng::default();
44          // Sample a new solution ID.
45          let expected = SolutionID::<CurrentNetwork>::from(rng.r#gen::<u64>());
46  
47          // Check the byte representation.
48          let expected_bytes = expected.to_bytes_le()?;
49          assert_eq!(expected_bytes.len(), 8);
50          assert_eq!(expected, SolutionID::read_le(&expected_bytes[..])?);
51          assert!(SolutionID::<CurrentNetwork>::read_le(&expected_bytes[1..]).is_err());
52  
53          Ok(())
54      }
55  }