1  // Copyright (c) 2025 ADnet Contributors
 2  // This file is part of the AlphaVM 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 ComputeKey<N> {
19      /// Reads an account compute key from a buffer.
20      #[inline]
21      fn read_le<R: Read>(mut reader: R) -> IoResult<Self> {
22          let pk_sig = Group::from_x_coordinate(Field::new(N::Field::read_le(&mut reader)?)).map_err(into_io_error)?;
23          let pr_sig = Group::from_x_coordinate(Field::new(N::Field::read_le(&mut reader)?)).map_err(into_io_error)?;
24          Self::try_from((pk_sig, pr_sig)).map_err(into_io_error)
25      }
26  }
27  
28  impl<N: Network> ToBytes for ComputeKey<N> {
29      /// Writes an account compute key to a buffer.
30      fn write_le<W: Write>(&self, mut writer: W) -> IoResult<()> {
31          self.pk_sig.to_x_coordinate().write_le(&mut writer)?;
32          self.pr_sig.to_x_coordinate().write_le(&mut writer)
33      }
34  }
35  
36  #[cfg(test)]
37  mod tests {
38      use super::*;
39      use alphavm_console_network::MainnetV0;
40  
41      type CurrentNetwork = MainnetV0;
42  
43      const ITERATIONS: u64 = 1000;
44  
45      #[test]
46      fn test_bytes() -> Result<()> {
47          let mut rng = TestRng::default();
48  
49          for _ in 0..ITERATIONS {
50              // Sample a new compute key.
51              let private_key = PrivateKey::<CurrentNetwork>::new(&mut rng)?;
52              let expected = ComputeKey::try_from(private_key)?;
53  
54              // Check the byte representation.
55              let expected_bytes = expected.to_bytes_le()?;
56              assert_eq!(expected, ComputeKey::read_le(&expected_bytes[..])?);
57              assert!(ComputeKey::<CurrentNetwork>::read_le(&expected_bytes[1..]).is_err());
58          }
59          Ok(())
60      }
61  }