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pezkuwi-subxt/substrate/client/finality-grandpa/rpc/src/error.rs
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2020-05-20 13:08:27 +00:00

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1.8 KiB
Rust

// This file is part of Substrate.
// Copyright (C) 2020 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/>.
use crate::NOT_READY_ERROR_CODE;
#[derive(derive_more::Display, derive_more::From)]
/// Top-level error type for the RPC handler
pub enum Error {
/// The GRANDPA RPC endpoint is not ready.
#[display(fmt = "GRANDPA RPC endpoint not ready")]
EndpointNotReady,
/// GRANDPA reports the authority set id to be larger than 32-bits.
#[display(fmt = "GRANDPA reports authority set id unreasonably large")]
AuthoritySetIdReportedAsUnreasonablyLarge,
/// GRANDPA reports voter state with round id or weights larger than 32-bits.
#[display(fmt = "GRANDPA reports voter state as unreasonably large")]
VoterStateReportsUnreasonablyLargeNumbers,
}
impl From<Error> for jsonrpc_core::Error {
fn from(error: Error) -> Self {
jsonrpc_core::Error {
message: format!("{}", error),
code: jsonrpc_core::ErrorCode::ServerError(NOT_READY_ERROR_CODE),
data: None,
}
}
}
impl From<std::num::TryFromIntError> for Error {
fn from(_error: std::num::TryFromIntError) -> Self {
Error::VoterStateReportsUnreasonablyLargeNumbers
}
}