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// This file is part of Substrate.
// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
// This program 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.
// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
//! Offchain RPC errors.
use jsonrpsee::types::error::{ErrorObject, ErrorObjectOwned};
/// Offchain RPC Result type.
pub type Result<T> = std::result::Result<T, Error>;
/// Offchain RPC errors.
#[derive(Debug, thiserror::Error)]
pub enum Error {
/// Unavailable storage kind error.
#[error("This storage kind is not available yet.")]
UnavailableStorageKind,
/// Call to an unsafe RPC was denied.
#[error(transparent)]
UnsafeRpcCalled(#[from] crate::policy::UnsafeRpcError),
}
/// Base error code for all offchain errors.
const BASE_ERROR: i32 = crate::error::base::OFFCHAIN;
impl From<Error> for ErrorObjectOwned {
fn from(e: Error) -> Self {
match e {
Error::UnavailableStorageKind => ErrorObject::owned(
BASE_ERROR + 1,
"This storage kind is not available yet",
None::<()>,
),
Error::UnsafeRpcCalled(e) => e.into(),
}
}
}