snarkvm_console_program/data/record/entry/bytes.rs
1// Copyright 2024-2025 Aleo Network Foundation
2// This file is part of the snarkVM 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
16use super::*;
17
18impl<N: Network, Private: Visibility> FromBytes for Entry<N, Private> {
19 /// Reads the entry from a buffer.
20 fn read_le<R: Read>(mut reader: R) -> IoResult<Self> {
21 // Read the index.
22 let index = u8::read_le(&mut reader)?;
23 // Read the entry.
24 let entry = match index {
25 0 => Self::Constant(Plaintext::read_le(&mut reader)?),
26 1 => Self::Public(Plaintext::read_le(&mut reader)?),
27 2 => Self::Private(Private::read_le(&mut reader)?),
28 3.. => return Err(error(format!("Failed to decode entry variant {index}"))),
29 };
30 Ok(entry)
31 }
32}
33
34impl<N: Network, Private: Visibility> ToBytes for Entry<N, Private> {
35 /// Writes the entry to a buffer.
36 fn write_le<W: Write>(&self, mut writer: W) -> IoResult<()> {
37 match self {
38 Self::Constant(plaintext) => {
39 0u8.write_le(&mut writer)?;
40 plaintext.write_le(&mut writer)
41 }
42 Self::Public(plaintext) => {
43 1u8.write_le(&mut writer)?;
44 plaintext.write_le(&mut writer)
45 }
46 Self::Private(private) => {
47 2u8.write_le(&mut writer)?;
48 private.write_le(&mut writer)
49 }
50 }
51 }
52}