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>
114 lines
3.7 KiB
Rust
114 lines
3.7 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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//! A manual sealing engine: the engine listens for rpc calls to seal blocks and create forks.
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//! This is suitable for a testing environment.
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use futures::channel::{mpsc::SendError, oneshot};
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use sc_consensus::ImportResult;
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use sp_blockchain::Error as BlockchainError;
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use sp_consensus::Error as ConsensusError;
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use sp_inherents::Error as InherentsError;
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/// Error code for rpc
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mod codes {
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pub const SERVER_SHUTTING_DOWN: i64 = 10_000;
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pub const BLOCK_IMPORT_FAILED: i64 = 11_000;
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pub const EMPTY_TRANSACTION_POOL: i64 = 12_000;
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pub const BLOCK_NOT_FOUND: i64 = 13_000;
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pub const CONSENSUS_ERROR: i64 = 14_000;
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pub const INHERENTS_ERROR: i64 = 15_000;
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pub const BLOCKCHAIN_ERROR: i64 = 16_000;
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pub const UNKNOWN_ERROR: i64 = 20_000;
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}
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/// errors encountered by background block authorship task
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#[derive(Debug, thiserror::Error)]
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pub enum Error {
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/// An error occurred while importing the block
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#[error("Block import failed: {0:?}")]
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BlockImportError(ImportResult),
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/// Transaction pool is empty, cannot create a block
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#[error(
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"Transaction pool is empty, set create_empty to true, if you want to create empty blocks"
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)]
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EmptyTransactionPool,
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/// encountered during creation of Proposer.
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#[error("Consensus Error: {0}")]
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ConsensusError(#[from] ConsensusError),
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/// Failed to create Inherents data
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#[error("Inherents Error: {0}")]
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InherentError(#[from] InherentsError),
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/// error encountered during finalization
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#[error("Finalization Error: {0}")]
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BlockchainError(#[from] BlockchainError),
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/// Supplied parent_hash doesn't exist in chain
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#[error("Supplied parent_hash: {0} doesn't exist in chain")]
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BlockNotFound(String),
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/// Some string error
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#[error("{0}")]
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StringError(String),
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/// send error
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#[error("Consensus process is terminating")]
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Canceled(#[from] oneshot::Canceled),
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/// send error
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#[error("Consensus process is terminating")]
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SendError(#[from] SendError),
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/// Some other error.
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#[error("Other error: {0}")]
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Other(#[from] Box<dyn std::error::Error + Send>),
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}
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impl From<ImportResult> for Error {
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fn from(err: ImportResult) -> Self {
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Error::BlockImportError(err)
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}
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}
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impl From<String> for Error {
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fn from(s: String) -> Self {
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Error::StringError(s)
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}
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}
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impl Error {
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fn to_code(&self) -> i64 {
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use Error::*;
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match self {
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BlockImportError(_) => codes::BLOCK_IMPORT_FAILED,
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BlockNotFound(_) => codes::BLOCK_NOT_FOUND,
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EmptyTransactionPool => codes::EMPTY_TRANSACTION_POOL,
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ConsensusError(_) => codes::CONSENSUS_ERROR,
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InherentError(_) => codes::INHERENTS_ERROR,
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BlockchainError(_) => codes::BLOCKCHAIN_ERROR,
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SendError(_) | Canceled(_) => codes::SERVER_SHUTTING_DOWN,
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_ => codes::UNKNOWN_ERROR,
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}
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}
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}
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impl std::convert::From<Error> for jsonrpc_core::Error {
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fn from(error: Error) -> Self {
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jsonrpc_core::Error {
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code: jsonrpc_core::ErrorCode::ServerError(error.to_code()),
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message: format!("{}", error),
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data: None,
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}
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}
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}
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