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// Copyright 2020 Parity Technologies (UK) Ltd.
// This file is part of Polkadot.
// Polkadot 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.
// Polkadot 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 Polkadot. If not, see <http://www.gnu.org/licenses/>.
//! Error types for the subsystem requests.
/// A description of an error causing the runtime API request to be unservable.
#[derive(Debug, Clone)]
pub struct RuntimeApiError(String);
impl From<String> for RuntimeApiError {
fn from(s: String) -> Self {
RuntimeApiError(s)
}
}
impl core::fmt::Display for RuntimeApiError {
fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
write!(f, "{}", self.0)
}
}
/// A description of an error causing the chain API request to be unservable.
#[derive(Debug, Clone)]
pub struct ChainApiError {
msg: String,
}
impl From<&str> for ChainApiError {
fn from(s: &str) -> Self {
s.to_owned().into()
}
}
impl From<String> for ChainApiError {
fn from(msg: String) -> Self {
Self { msg }
}
}
impl core::fmt::Display for ChainApiError {
fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
write!(f, "{}", self.msg)
}
}