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> ToBytes for ValueType<N> {
22      /// Writes the value type to a buffer.
23      fn write_le<W: Write>(&self, mut writer: W) -> IoResult<()> {
24          u8::try_from(self.enum_index()).map_err(error)?.write_le(&mut writer)?;
25          match self {
26              Self::Constant(plaintext_type) => plaintext_type.write_le(&mut writer),
27              Self::Public(plaintext_type) => plaintext_type.write_le(&mut writer),
28              Self::Private(plaintext_type) => plaintext_type.write_le(&mut writer),
29              Self::Record(identifier) => identifier.write_le(&mut writer),
30              Self::ExternalRecord(locator) => locator.write_le(&mut writer),
31              Self::Future(locator) => locator.write_le(&mut writer),
32          }
33      }
34  }
35  
36  impl<N: Network> FromBytes for ValueType<N> {
37      /// Reads the value type from a buffer.
38      fn read_le<R: Read>(mut reader: R) -> IoResult<Self> {
39          let variant = u8::read_le(&mut reader)?;
40          match variant {
41              0 => Ok(Self::Constant(PlaintextType::read_le(&mut reader)?)),
42              1 => Ok(Self::Public(PlaintextType::read_le(&mut reader)?)),
43              2 => Ok(Self::Private(PlaintextType::read_le(&mut reader)?)),
44              3 => Ok(Self::Record(Identifier::read_le(&mut reader)?)),
45              4 => Ok(Self::ExternalRecord(Locator::read_le(&mut reader)?)),
46              5 => Ok(Self::Future(Locator::read_le(&mut reader)?)),
47              6.. => Err(error(format!("Failed to deserialize value type variant {variant}"))),
48          }
49      }
50  }