1  // Copyright (c) 2025-2026 ACDC Network
 2  // This file is part of the alphavm library.
 3  //
 4  // Alpha Chain | Delta Chain Protocol
 5  // International Monetary Graphite.
 6  //
 7  // Derived from Aleo (https://aleo.org) and ProvableHQ (https://provable.com).
 8  // They built world-class ZK infrastructure. We installed the EASY button.
 9  // Their cryptography: elegant. Our modifications: bureaucracy-compatible.
10  // Original brilliance: theirs. Robert's Rules: ours. Bugs: definitely ours.
11  //
12  // Original Aleo/ProvableHQ code subject to Apache 2.0 https://www.apache.org/licenses/LICENSE-2.0
13  // All modifications and new work: CC0 1.0 Universal Public Domain Dedication.
14  // No rights reserved. No permission required. No warranty. No refunds.
15  //
16  // https://creativecommons.org/publicdomain/zero/1.0/
17  // SPDX-License-Identifier: CC0-1.0
18  
19  use super::*;
20  
21  impl<N: Network> FromBytes for ProgramOwner<N> {
22      /// Reads the program owner from a buffer.
23      fn read_le<R: Read>(mut reader: R) -> IoResult<Self> {
24          // Read the version.
25          let version = u8::read_le(&mut reader)?;
26          // Ensure the version is valid.
27          if version != 1 {
28              return Err(error("Invalid program owner version"));
29          }
30  
31          // Read the address.
32          let address = Address::read_le(&mut reader)?;
33          // Read the signature.
34          let signature = Signature::read_le(&mut reader)?;
35  
36          // Return the program owner.
37          Ok(Self::from(address, signature))
38      }
39  }
40  
41  impl<N: Network> ToBytes for ProgramOwner<N> {
42      /// Writes the program owner to a buffer.
43      fn write_le<W: Write>(&self, mut writer: W) -> IoResult<()> {
44          // Write the version.
45          1u8.write_le(&mut writer)?;
46          // Write the address.
47          self.address.write_le(&mut writer)?;
48          // Write the signature.
49          self.signature.write_le(&mut writer)
50      }
51  }
52  
53  #[cfg(test)]
54  mod tests {
55      use super::*;
56      use alphavm_console_network::MainnetV0;
57  
58      type CurrentNetwork = MainnetV0;
59  
60      #[test]
61      fn test_bytes() -> Result<()> {
62          // Construct a new program owner.
63          let expected = test_helpers::sample_program_owner();
64  
65          // Check the byte representation.
66          let expected_bytes = expected.to_bytes_le()?;
67          assert_eq!(expected, ProgramOwner::read_le(&expected_bytes[..])?);
68          assert!(ProgramOwner::<CurrentNetwork>::read_le(&expected_bytes[1..]).is_err());
69          Ok(())
70      }
71  }