53 lines
1.4 KiB
Rust
53 lines
1.4 KiB
Rust
// Copyright 2015, 2016 Ethcore (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/>.
|
|
|
|
//! Unique identifiers.
|
|
|
|
use util::hash::H256;
|
|
use header::BlockNumber;
|
|
|
|
/// Uniquely identifies block.
|
|
#[derive(Debug, PartialEq, Clone, Hash, Eq)]
|
|
pub enum BlockId {
|
|
/// Block's sha3.
|
|
/// Querying by hash is always faster.
|
|
Hash(H256),
|
|
/// Block number within canon blockchain.
|
|
Number(BlockNumber),
|
|
/// Earliest block (genesis).
|
|
Earliest,
|
|
/// Latest mined block.
|
|
Latest
|
|
}
|
|
|
|
/// Uniquely identifies transaction.
|
|
#[derive(Debug, PartialEq, Clone, Hash, Eq)]
|
|
pub enum TransactionId {
|
|
/// Transaction's sha3.
|
|
Hash(H256),
|
|
/// Block id and transaction index within this block.
|
|
/// Querying by block position is always faster.
|
|
Location(BlockId, usize)
|
|
}
|
|
|
|
/// Uniquely identifies Uncle.
|
|
pub struct UncleId (
|
|
/// Block id.
|
|
pub BlockId,
|
|
/// Position in block.
|
|
pub usize
|
|
);
|