linera_chain/certificate/
timeout.rs

1// Copyright (c) Facebook, Inc. and its affiliates.
2// Copyright (c) Zefchain Labs, Inc.
3// SPDX-License-Identifier: Apache-2.0
4
5use linera_base::{
6    crypto::{ValidatorPublicKey, ValidatorSignature},
7    data_types::Round,
8};
9use serde::{
10    ser::{Serialize, SerializeStruct, Serializer},
11    Deserialize, Deserializer,
12};
13
14use super::{generic::GenericCertificate, Certificate};
15use crate::block::{ConversionError, Timeout};
16
17impl TryFrom<Certificate> for GenericCertificate<Timeout> {
18    type Error = ConversionError;
19
20    fn try_from(cert: Certificate) -> Result<Self, Self::Error> {
21        match cert {
22            Certificate::Timeout(timeout) => Ok(timeout),
23            _ => Err(ConversionError::Timeout),
24        }
25    }
26}
27
28impl From<GenericCertificate<Timeout>> for Certificate {
29    fn from(cert: GenericCertificate<Timeout>) -> Certificate {
30        Certificate::Timeout(cert)
31    }
32}
33
34impl Serialize for GenericCertificate<Timeout> {
35    fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
36        let mut state = serializer.serialize_struct("TimeoutCertificate", 4)?;
37        state.serialize_field("value", self.inner())?;
38        state.serialize_field("round", &self.round)?;
39        state.serialize_field("signatures", self.signatures())?;
40        state.end()
41    }
42}
43
44impl<'de> Deserialize<'de> for GenericCertificate<Timeout> {
45    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
46    where
47        D: Deserializer<'de>,
48    {
49        #[derive(Deserialize)]
50        #[serde(rename = "TimeoutCertificate")]
51        struct Inner {
52            value: Timeout,
53            round: Round,
54            signatures: Vec<(ValidatorPublicKey, ValidatorSignature)>,
55        }
56        let inner = Inner::deserialize(deserializer)?;
57        if !crate::data_types::is_strictly_ordered(&inner.signatures) {
58            Err(serde::de::Error::custom("Vector is not strictly sorted"))
59        } else {
60            Ok(Self::new(inner.value, inner.round, inner.signatures))
61        }
62    }
63}
linera_chain/certificate/timeout.rs

linera_chain/certificate/
timeout.rs
