mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Bastian Köcher
e3e651f72c
* Happy new year Updates the copyright years and fixes wrong license headers. * Fix the template * Split HEADER into HEADER-APACHE & HEADER-GPL
84 lines
2.6 KiB
Rust
84 lines
2.6 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2018-2021 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! Transaction pool errors.
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use sp_runtime::transaction_validity::{
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TransactionPriority as Priority, InvalidTransaction, UnknownTransaction,
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};
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/// Transaction pool result.
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pub type Result<T> = std::result::Result<T, Error>;
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/// Transaction pool error type.
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#[derive(Debug, thiserror::Error, derive_more::From)]
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#[allow(missing_docs)]
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pub enum Error {
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#[error("Unknown transaction validity: {0:?}")]
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UnknownTransaction(UnknownTransaction),
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#[error("Invalid transaction validity: {0:?}")]
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InvalidTransaction(InvalidTransaction),
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/// The transaction validity returned no "provides" tag.
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///
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/// Such transactions are not accepted to the pool, since we use those tags
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/// to define identity of transactions (occupance of the same "slot").
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#[error("Transaction does not provide any tags, so the pool can't identify it")]
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NoTagsProvided,
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#[error("Transaction temporarily Banned")]
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TemporarilyBanned,
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#[error("[{0:?}] Already imported")]
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AlreadyImported(Box<dyn std::any::Any + Send>),
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#[error("Too low priority ({} > {})", old, new)]
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TooLowPriority {
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/// Transaction already in the pool.
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old: Priority,
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/// Transaction entering the pool.
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new: Priority
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},
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#[error("Transaction with cyclic dependency")]
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CycleDetected,
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#[error("Transaction couldn't enter the pool because of the limit")]
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ImmediatelyDropped,
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#[from(ignore)]
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#[error("{0}")]
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InvalidBlockId(String),
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#[error("The pool is not accepting future transactions")]
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RejectedFutureTransaction,
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}
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/// Transaction pool error conversion.
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pub trait IntoPoolError: std::error::Error + Send + Sized {
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/// Try to extract original `Error`
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///
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/// This implementation is optional and used only to
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/// provide more descriptive error messages for end users
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/// of RPC API.
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fn into_pool_error(self) -> std::result::Result<Error, Self> { Err(self) }
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}
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impl IntoPoolError for Error {
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fn into_pool_error(self) -> std::result::Result<Error, Self> { Ok(self) }
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}
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