64 lines
1.7 KiB
Rust
64 lines
1.7 KiB
Rust
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity 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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// Parity 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 Parity. If not, see <http://www.gnu.org/licenses/>.
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//! Unique identifiers.
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use util::hash::H256;
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use {BlockNumber};
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/// Uniquely identifies block.
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#[derive(Debug, PartialEq, Copy, Clone, Hash, Eq)]
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pub enum BlockId {
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/// Block's sha3.
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/// Querying by hash is always faster.
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Hash(H256),
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/// Block number within canon blockchain.
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Number(BlockNumber),
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/// Earliest block (genesis).
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Earliest,
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/// Latest mined block.
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Latest,
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/// Pending block.
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Pending,
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}
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/// Uniquely identifies transaction.
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#[derive(Debug, PartialEq, Clone, Hash, Eq)]
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pub enum TransactionId {
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/// Transaction's sha3.
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Hash(H256),
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/// Block id and transaction index within this block.
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/// Querying by block position is always faster.
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Location(BlockId, usize)
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}
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/// Uniquely identifies Trace.
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pub struct TraceId {
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/// Transaction
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pub transaction: TransactionId,
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/// Trace address within transaction.
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pub address: Vec<usize>,
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}
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/// Uniquely identifies Uncle.
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#[derive(Debug, PartialEq, Eq, Copy, Clone)]
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pub struct UncleId {
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/// Block id.
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pub block: BlockId,
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/// Position in block.
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pub position: usize
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}
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