snarkvm_synthesizer_process/stack/authorization/
serialize.rs

1// Copyright (c) 2019-2025 Provable Inc.
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> Serialize for Authorization<N> {
19    /// Serializes the authorization into string or bytes.
20    fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
21        match serializer.is_human_readable() {
22            true => {
23                let mut authorization = serializer.serialize_struct("Authorization", 2)?;
24                authorization.serialize_field("requests", &self.requests.read().clone())?;
25                authorization.serialize_field(
26                    "transitions",
27                    &self.transitions.read().values().collect::<Vec<&Transition<N>>>(),
28                )?;
29                authorization.end()
30            }
31            false => ToBytesSerializer::serialize_with_size_encoding(self, serializer),
32        }
33    }
34}
35
36impl<'de, N: Network> Deserialize<'de> for Authorization<N> {
37    /// Deserializes the authorization from a string or bytes.
38    fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
39        match deserializer.is_human_readable() {
40            true => {
41                // Parse the authorization from a string into a value.
42                let mut authorization = serde_json::Value::deserialize(deserializer)?;
43                // Retrieve the requests.
44                let requests: Vec<_> = DeserializeExt::take_from_value::<D>(&mut authorization, "requests")?;
45                // Retrieve the transitions.
46                let transitions: Vec<_> = DeserializeExt::take_from_value::<D>(&mut authorization, "transitions")?;
47                // Recover the authorization.
48                Self::try_from((requests, transitions)).map_err(de::Error::custom)
49            }
50            false => FromBytesDeserializer::<Self>::deserialize_with_size_encoding(deserializer, "authorization"),
51        }
52    }
53}
54
55#[cfg(test)]
56mod tests {
57    use super::*;
58
59    #[test]
60    fn test_serde_json() -> Result<()> {
61        let rng = &mut TestRng::default();
62
63        // Sample the authorization.
64        let expected = crate::stack::authorization::test_helpers::sample_authorization(rng);
65
66        // Serialize
67        let expected_string = &expected.to_string();
68        let candidate_string = serde_json::to_string(&expected)?;
69        assert_eq!(expected, serde_json::from_str(&candidate_string)?);
70
71        // Deserialize
72        assert_eq!(expected, Authorization::from_str(expected_string)?);
73        assert_eq!(expected, serde_json::from_str(&candidate_string)?);
74
75        Ok(())
76    }
77
78    #[test]
79    fn test_bincode() -> Result<()> {
80        let rng = &mut TestRng::default();
81
82        // Sample the authorization.
83        let expected = crate::stack::authorization::test_helpers::sample_authorization(rng);
84
85        // Serialize
86        let expected_bytes = expected.to_bytes_le()?;
87        let expected_bytes_with_size_encoding = bincode::serialize(&expected)?;
88        assert_eq!(&expected_bytes[..], &expected_bytes_with_size_encoding[8..]);
89
90        // Deserialize
91        assert_eq!(expected, Authorization::read_le(&expected_bytes[..])?);
92        assert_eq!(expected, bincode::deserialize(&expected_bytes_with_size_encoding[..])?);
93
94        Ok(())
95    }
96}
snarkvm_synthesizer_process/stack/authorization/serialize.rs

snarkvm_synthesizer_process/stack/authorization/
serialize.rs
