mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-10 07:37:57 +00:00
Arkadiy Paronyan
44499550d9
* Networking crate draft * Started work on syncing algo * Fixed query range * BlockCollection tests * In-mem client backend * Fixed tests * Renamed Transaction * Removed stray println * Docs
70 lines
1.8 KiB
Rust
70 lines
1.8 KiB
Rust
// Copyright 2017 Parity Technologies (UK) Ltd.
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// This file is part of Polkadot.
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// Polkadot 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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// Polkadot 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 Polkadot. If not, see <http://www.gnu.org/licenses/>.
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//! Polkadot client possible errors.
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use std;
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use state_machine;
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use blockchain;
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error_chain! {
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errors {
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/// Backend error.
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Backend {
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description("Unrecoverable backend error"),
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display("Backend error"),
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}
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/// Unknown block.
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UnknownBlock(h: blockchain::BlockId) {
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description("unknown block"),
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display("UnknownBlock: {}", h),
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}
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/// Execution error.
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Execution(e: Box<state_machine::Error>) {
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description("execution error"),
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display("Execution: {}", e),
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}
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/// Blockchain error.
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Blockchain(e: Box<std::error::Error + Send>) {
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description("Blockchain error"),
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display("Blockchain: {}", e),
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}
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}
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}
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// TODO [ToDr] Temporary, state_machine::Error should be a regular error not Box.
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impl From<Box<state_machine::Error>> for Error {
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fn from(e: Box<state_machine::Error>) -> Self {
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ErrorKind::Execution(e).into()
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}
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}
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impl From<state_machine::backend::Void> for Error {
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fn from(_e: state_machine::backend::Void) -> Self {
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unreachable!()
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}
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}
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impl Error {
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/// Chain a blockchain error.
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pub fn from_blockchain(e: Box<std::error::Error + Send>) -> Self {
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ErrorKind::Blockchain(e).into()
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}
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}
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