1  // Copyright (c) 2019-2025 Alpha-Delta Network Inc.
 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 PlaintextType<N> {
19      /// Reads a plaintext type from a buffer.
20      fn read_le<R: Read>(mut reader: R) -> IoResult<Self> {
21          let variant = u8::read_le(&mut reader)?;
22          match variant {
23              0 => Ok(Self::Literal(LiteralType::read_le(&mut reader)?)),
24              1 => Ok(Self::Struct(Identifier::read_le(&mut reader)?)),
25              2 => Ok(Self::Array(ArrayType::read_le(&mut reader)?)),
26              3.. => Err(error(format!("Failed to deserialize annotation variant {variant}"))),
27          }
28      }
29  }
30  
31  impl<N: Network> ToBytes for PlaintextType<N> {
32      /// Writes a plaintext type to a buffer.
33      fn write_le<W: Write>(&self, mut writer: W) -> IoResult<()> {
34          match self {
35              Self::Literal(literal_type) => {
36                  0u8.write_le(&mut writer)?;
37                  literal_type.write_le(&mut writer)
38              }
39              Self::Struct(identifier) => {
40                  1u8.write_le(&mut writer)?;
41                  identifier.write_le(&mut writer)
42              }
43              Self::Array(array_type) => {
44                  2u8.write_le(&mut writer)?;
45                  array_type.write_le(&mut writer)
46              }
47          }
48      }
49  }