hotmint_consensus/
error.rs

1use hotmint_types::{BlockHash, EpochNumber, EquivocationProof, ValidatorId, ViewNumber};
2use std::fmt;
3
4#[derive(Debug)]
5pub enum ConsensusError {
6    InvalidProposal(String),
7    InvalidVote(String),
8    InvalidCertificate(String),
9    SafetyViolation(String),
10    NotLeader {
11        view: ViewNumber,
12        leader: ValidatorId,
13    },
14    StaleMessage {
15        msg_view: ViewNumber,
16        current_view: ViewNumber,
17    },
18    MissingBlock(BlockHash),
19    NetworkError(String),
20    EpochMismatch {
21        expected: EpochNumber,
22        got: EpochNumber,
23    },
24    Equivocation(EquivocationProof),
25}
26
27impl fmt::Display for ConsensusError {
28    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
29        match self {
30            Self::InvalidProposal(s) => write!(f, "invalid proposal: {s}"),
31            Self::InvalidVote(s) => write!(f, "invalid vote: {s}"),
32            Self::InvalidCertificate(s) => write!(f, "invalid certificate: {s}"),
33            Self::SafetyViolation(s) => write!(f, "safety violation: {s}"),
34            Self::NotLeader { view, leader } => {
35                write!(f, "not leader for {view}, leader is {leader}")
36            }
37            Self::StaleMessage {
38                msg_view,
39                current_view,
40            } => {
41                write!(f, "stale message from {msg_view}, current {current_view}")
42            }
43            Self::MissingBlock(h) => write!(f, "missing block {h}"),
44            Self::NetworkError(s) => write!(f, "network error: {s}"),
45            Self::EpochMismatch { expected, got } => {
46                write!(f, "epoch mismatch: expected {expected}, got {got}")
47            }
48            Self::Equivocation(proof) => {
49                write!(
50                    f,
51                    "equivocation by {} in view {}",
52                    proof.validator, proof.view
53                )
54            }
55        }
56    }
57}
hotmint_consensus/error.rs

hotmint_consensus/
error.rs
