Files
pezkuwi-subxt/substrate/client/network/src/error.rs
T
Ashley 883ddfc897 Add more metrics to prometheus (#5034)
* Add a few things

* Add finality_grandpa_round

* fix fg tests

* Nitpicks

* Nitpicks

* Fix name of prometheus crate
2020-03-03 11:36:58 +01:00

69 lines
2.1 KiB
Rust

// Copyright 2017-2020 Parity Technologies (UK) Ltd.
// This file is part of Substrate.
// Substrate is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Substrate is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
//! Substrate network possible errors.
use libp2p::{PeerId, Multiaddr};
use std::fmt;
/// Result type alias for the network.
pub type Result<T> = std::result::Result<T, Error>;
/// Error type for the network.
#[derive(derive_more::Display, derive_more::From)]
pub enum Error {
/// Io error
Io(std::io::Error),
/// Client error
Client(sp_blockchain::Error),
/// The same bootnode (based on address) is registered with two different peer ids.
#[display(
fmt = "The same bootnode (`{}`) is registered with two different peer ids: `{}` and `{}`",
address,
first_id,
second_id,
)]
DuplicateBootnode {
/// The address of the bootnode.
address: Multiaddr,
/// The first peer id that was found for the bootnode.
first_id: PeerId,
/// The second peer id that was found for the bootnode.
second_id: PeerId,
},
/// Prometheus metrics error.
Prometheus(prometheus_endpoint::PrometheusError)
}
// Make `Debug` use the `Display` implementation.
impl fmt::Debug for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Display::fmt(self, f)
}
}
impl std::error::Error for Error {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
match self {
Error::Io(ref err) => Some(err),
Error::Client(ref err) => Some(err),
Error::DuplicateBootnode { .. } => None,
Error::Prometheus(ref err) => Some(err),
}
}
}