mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-28 13:17:28 +00:00
Vivek Pandya
bc53b9a03a
* Change copyright year to 2023 from 2022 * Fix incorrect update of copyright year * Remove years from copy right header * Fix remaining files * Fix typo in a header and remove update-copyright.sh
75 lines
2.4 KiB
Rust
75 lines
2.4 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 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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//! Error helpers for `chainHead` RPC module.
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use jsonrpsee::{
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core::Error as RpcError,
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types::error::{CallError, ErrorObject},
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};
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use sp_blockchain::Error as BlockchainError;
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/// ChainHead RPC errors.
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#[derive(Debug, thiserror::Error)]
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pub enum Error {
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/// The provided block hash is invalid.
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#[error("Invalid block hash")]
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InvalidBlock,
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/// Fetch block header error.
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#[error("Could not fetch block header: {0}")]
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FetchBlockHeader(BlockchainError),
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/// Invalid parameter provided to the RPC method.
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#[error("Invalid parameter: {0}")]
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InvalidParam(String),
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/// Invalid subscription ID provided by the RPC server.
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#[error("Invalid subscription ID")]
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InvalidSubscriptionID,
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}
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// Base code for all `chainHead` errors.
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const BASE_ERROR: i32 = 2000;
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/// The provided block hash is invalid.
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const INVALID_BLOCK_ERROR: i32 = BASE_ERROR + 1;
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/// Fetch block header error.
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const FETCH_BLOCK_HEADER_ERROR: i32 = BASE_ERROR + 2;
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/// Invalid parameter error.
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const INVALID_PARAM_ERROR: i32 = BASE_ERROR + 3;
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/// Invalid subscription ID.
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const INVALID_SUB_ID: i32 = BASE_ERROR + 4;
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impl From<Error> for ErrorObject<'static> {
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fn from(e: Error) -> Self {
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let msg = e.to_string();
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match e {
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Error::InvalidBlock => ErrorObject::owned(INVALID_BLOCK_ERROR, msg, None::<()>),
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Error::FetchBlockHeader(_) =>
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ErrorObject::owned(FETCH_BLOCK_HEADER_ERROR, msg, None::<()>),
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Error::InvalidParam(_) => ErrorObject::owned(INVALID_PARAM_ERROR, msg, None::<()>),
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Error::InvalidSubscriptionID => ErrorObject::owned(INVALID_SUB_ID, msg, None::<()>),
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}
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.into()
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}
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}
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impl From<Error> for RpcError {
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fn from(e: Error) -> Self {
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CallError::Custom(e.into()).into()
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}
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}
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