1use thiserror::Error;
2
3pub type Result<T> = std::result::Result<T, Error>;
4
5#[derive(Debug, Error)]
6pub enum Error {
7 #[error("storage error: {0}")]
8 Storage(String),
9
10 #[error("transport error: {0}")]
11 Transport(String),
12
13 #[error("mls protocol error: {0}")]
14 Mls(String),
15
16 #[error("identity error: {0}")]
17 Identity(String),
18
19 #[error("unknown conversation: {0}")]
20 UnknownConversation(String),
21
22 #[error("unknown device: {0}")]
23 UnknownDevice(String),
24
25 #[error("epoch occupied: caller must rebase on the new epoch and retry")]
26 EpochOccupied,
27
28 #[error("codec error: {0}")]
29 Codec(String),
30
31 #[error("invalid input: {0}")]
32 Invalid(String),
33
34 #[error("not initialised")]
35 NotInitialised,
36}
37
38impl Error {
39 pub(crate) fn mls<E: std::fmt::Display>(e: E) -> Self {
40 Error::Mls(e.to_string())
41 }
42 pub(crate) fn codec<E: std::fmt::Display>(e: E) -> Self {
43 Error::Codec(e.to_string())
44 }
45}