mpc_stark/
error.rs

1//! Errors defined across the MPC implementation
2use std::{error::Error, fmt::Display};
3
4use quinn::{ConnectError, ConnectionError};
5
6/// An application level error that results from an error deeper in the MPC stack
7#[derive(Clone, Debug, PartialEq, Eq)]
8pub enum MpcError {
9    /// An error on the network
10    NetworkError(MpcNetworkError),
11    /// An error authenticating an MPC value
12    AuthenticationError,
13    /// An error resulting from visibility mismatch between two values
14    VisibilityError(String),
15    /// An error performing an arithmetic operation
16    ArithmeticError(String),
17}
18
19impl Display for MpcError {
20    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
21        write!(f, "{:?}", self)
22    }
23}
24impl Error for MpcError {}
25
26/// An error on the MPC network during communication
27#[derive(Clone, Debug, PartialEq, Eq)]
28pub enum MpcNetworkError {
29    /// An error sending a value to the counterparty
30    SendError(String),
31    /// An error receiving a value from the counterparty
32    RecvError(String),
33    /// An error setting up the underlying connection
34    ConnectionSetupError(SetupError),
35    /// An error tearing down the underlying connection
36    ConnectionTeardownError,
37    /// An error emitted when a network operation is performed on a network
38    /// that has not yet been `connect`ed
39    NetworkUninitialized,
40    /// An error serializing a value
41    SerializationError(String),
42}
43
44impl Display for MpcNetworkError {
45    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
46        write!(f, "{:?}", self)
47    }
48}
49impl Error for MpcNetworkError {}
50
51/// An error setting up the MPC fabric
52#[derive(Clone, Debug, PartialEq, Eq)]
53pub enum SetupError {
54    /// An error connecting to the peer
55    ConnectError(ConnectError),
56    /// An error with the connection after initial setup
57    ConnectionError(ConnectionError),
58    /// An error setting up the TLS certificate
59    KeygenError,
60    /// An error emitted when there is no inbound connection attempt from the suggested peer
61    NoIncomingConnection,
62    /// An error setting up the QUIC server on the local node
63    ServerSetupError,
64}
mpc_stark/error.rs

mpc_stark/
error.rs
