mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Qinxuan Chen
e956c2e1c7
* use thiserror instead of derive_more for error handling Signed-off-by: koushiro <koushiro.cqx@gmail.com> * Update utils/prometheus/src/lib.rs * Update utils/prometheus/src/lib.rs Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
76 lines
2.6 KiB
Rust
76 lines
2.6 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2020-2022 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#[derive(Debug, thiserror::Error)]
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/// Top-level error type for the RPC handler
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pub enum Error {
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/// The GRANDPA RPC endpoint is not ready.
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#[error("GRANDPA RPC endpoint not ready")]
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EndpointNotReady,
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/// GRANDPA reports the authority set id to be larger than 32-bits.
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#[error("GRANDPA reports authority set id unreasonably large")]
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AuthoritySetIdReportedAsUnreasonablyLarge,
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/// GRANDPA reports voter state with round id or weights larger than 32-bits.
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#[error("GRANDPA reports voter state as unreasonably large")]
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VoterStateReportsUnreasonablyLargeNumbers,
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/// GRANDPA prove finality failed.
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#[error("GRANDPA prove finality rpc failed: {0}")]
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ProveFinalityFailed(#[from] sc_finality_grandpa::FinalityProofError),
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}
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/// The error codes returned by jsonrpc.
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pub enum ErrorCode {
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/// Returned when Grandpa RPC endpoint is not ready.
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NotReady = 1,
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/// Authority set ID is larger than 32-bits.
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AuthoritySetTooLarge,
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/// Voter state with round id or weights larger than 32-bits.
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VoterStateTooLarge,
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/// Failed to prove finality.
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ProveFinality,
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}
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impl From<Error> for ErrorCode {
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fn from(error: Error) -> Self {
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match error {
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Error::EndpointNotReady => ErrorCode::NotReady,
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Error::AuthoritySetIdReportedAsUnreasonablyLarge => ErrorCode::AuthoritySetTooLarge,
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Error::VoterStateReportsUnreasonablyLargeNumbers => ErrorCode::VoterStateTooLarge,
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Error::ProveFinalityFailed(_) => ErrorCode::ProveFinality,
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}
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}
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}
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impl From<Error> for jsonrpc_core::Error {
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fn from(error: Error) -> Self {
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let message = format!("{}", error);
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let code = ErrorCode::from(error);
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jsonrpc_core::Error {
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message,
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code: jsonrpc_core::ErrorCode::ServerError(code as i64),
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data: None,
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}
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}
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}
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impl From<std::num::TryFromIntError> for Error {
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fn from(_error: std::num::TryFromIntError) -> Self {
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Error::VoterStateReportsUnreasonablyLargeNumbers
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}
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}
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