polkadot_network_bridge/errors.rs
1// Copyright (C) Parity Technologies (UK) Ltd.
2// This file is part of Polkadot.
3
4// Polkadot is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8
9// Polkadot is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13
14// You should have received a copy of the GNU General Public License
15// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
16
17use polkadot_node_subsystem::SubsystemError;
18pub(crate) use polkadot_overseer::OverseerError;
19
20#[fatality::fatality(splitable)]
21pub(crate) enum Error {
22 /// Received error from overseer:
23 #[fatal]
24 #[error(transparent)]
25 SubsystemError(#[from] SubsystemError),
26 /// The stream of incoming events concluded.
27 #[fatal]
28 #[error("Event stream closed unexpectedly")]
29 EventStreamConcluded,
30}
31
32impl From<OverseerError> for Error {
33 fn from(e: OverseerError) -> Self {
34 Error::SubsystemError(SubsystemError::from(e))
35 }
36}