openethereum/transaction-pool/src/error.rs

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// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use ethereum_types::H256;
error_chain! {
errors {
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/// Transaction is already imported
AlreadyImported(hash: H256) {
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description("transaction is already in the pool"),
display("[{:?}] transaction already imported", hash)
}
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/// Transaction is too cheap to enter the queue
TooCheapToEnter(hash: H256) {
description("the pool is full and transaction is too cheap to replace any transaction"),
display("[{:?}] transaction too cheap to enter the pool", hash)
}
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/// Transaction is too cheap to replace existing transaction that occupies the same slot.
TooCheapToReplace(old_hash: H256, hash: H256) {
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description("transaction is too cheap to replace existing transaction in the pool"),
display("[{:?}] transaction too cheap to replace: {:?}", hash, old_hash)
}
}
}
#[cfg(test)]
impl PartialEq for ErrorKind {
fn eq(&self, other: &Self) -> bool {
use self::ErrorKind::*;
match (self, other) {
(&AlreadyImported(ref h1), &AlreadyImported(ref h2)) => h1 == h2,
(&TooCheapToEnter(ref h1), &TooCheapToEnter(ref h2)) => h1 == h2,
(&TooCheapToReplace(ref old1, ref new1), &TooCheapToReplace(ref old2, ref new2)) => old1 == old2 && new1 == new2,
_ => false,
}
}
}