snarkvm_ledger_block/transactions/rejected/
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 Rejected<N> {
19    /// Serializes the rejected transaction 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 => match self {
23                Self::Deployment(program_owner, deployment) => {
24                    let mut object = serializer.serialize_struct("Rejected", 3)?;
25                    object.serialize_field("type", "deployment")?;
26                    object.serialize_field("program_owner", program_owner)?;
27                    object.serialize_field("deployment", deployment)?;
28                    object.end()
29                }
30                Self::Execution(execution) => {
31                    let mut object = serializer.serialize_struct("Rejected", 2)?;
32                    object.serialize_field("type", "execution")?;
33                    object.serialize_field("execution", execution)?;
34                    object.end()
35                }
36            },
37            false => ToBytesSerializer::serialize_with_size_encoding(self, serializer),
38        }
39    }
40}
41
42impl<'de, N: Network> Deserialize<'de> for Rejected<N> {
43    /// Deserializes the confirmed transaction from a string or bytes.
44    fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
45        match deserializer.is_human_readable() {
46            true => {
47                // Parse the rejected transaction from a string into a value.
48                let mut object = serde_json::Value::deserialize(deserializer)?;
49
50                // Parse the type.
51                let type_ = object.get("type").and_then(|t| t.as_str());
52
53                // Recover the rejected transaction.
54                match type_ {
55                    Some("deployment") => {
56                        // Parse the program owner.
57                        let program_owner: ProgramOwner<N> =
58                            DeserializeExt::take_from_value::<D>(&mut object, "program_owner")?;
59                        // Parse the deployment.
60                        let deployment: Deployment<N> =
61                            DeserializeExt::take_from_value::<D>(&mut object, "deployment")?;
62                        // Return the rejected deployment.
63                        Ok(Self::new_deployment(program_owner, deployment))
64                    }
65                    Some("execution") => {
66                        // Parse the execution.
67                        let execution: Execution<N> = DeserializeExt::take_from_value::<D>(&mut object, "execution")?;
68                        // Return the rejected execution.
69                        Ok(Self::new_execution(execution))
70                    }
71                    _ => Err(de::Error::custom("Invalid rejected transaction type")),
72                }
73            }
74            false => {
75                FromBytesDeserializer::<Self>::deserialize_with_size_encoding(deserializer, "confirmed transaction")
76            }
77        }
78    }
79}
80
81#[cfg(test)]
82mod tests {
83    use super::*;
84
85    fn check_serde_json<
86        T: Serialize + for<'a> Deserialize<'a> + Debug + Display + PartialEq + Eq + FromStr + ToBytes + FromBytes,
87    >(
88        expected: T,
89    ) {
90        // Serialize
91        let expected_string = expected.to_string();
92        let candidate_string = serde_json::to_string(&expected).unwrap();
93        let candidate = serde_json::from_str::<T>(&candidate_string).unwrap();
94        assert_eq!(expected, candidate);
95        assert_eq!(expected_string, candidate_string);
96        assert_eq!(expected_string, candidate.to_string());
97
98        // Deserialize
99        assert_eq!(expected, T::from_str(&expected_string).unwrap_or_else(|_| panic!("FromStr: {expected_string}")));
100        assert_eq!(expected, serde_json::from_str(&candidate_string).unwrap());
101    }
102
103    fn check_bincode<
104        T: Serialize + for<'a> Deserialize<'a> + Debug + Display + PartialEq + Eq + FromStr + ToBytes + FromBytes,
105    >(
106        expected: T,
107    ) {
108        // Serialize
109        let expected_bytes = expected.to_bytes_le().unwrap();
110        let expected_bytes_with_size_encoding = bincode::serialize(&expected).unwrap();
111        assert_eq!(&expected_bytes[..], &expected_bytes_with_size_encoding[8..]);
112
113        // Deserialize
114        assert_eq!(expected, T::read_le(&expected_bytes[..]).unwrap());
115        assert_eq!(expected, bincode::deserialize(&expected_bytes_with_size_encoding[..]).unwrap());
116    }
117
118    #[test]
119    fn test_serde_json() {
120        for rejected in crate::transactions::rejected::test_helpers::sample_rejected_transactions() {
121            check_serde_json(rejected);
122        }
123    }
124
125    #[test]
126    fn test_bincode() {
127        for rejected in crate::transactions::rejected::test_helpers::sample_rejected_transactions() {
128            check_bincode(rejected);
129        }
130    }
131}
snarkvm_ledger_block/transactions/rejected/serialize.rs

snarkvm_ledger_block/transactions/rejected/
serialize.rs
