openethereum/ethcore/src/blockchain/generator/block.rs

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2016-03-02 04:25:03 +01:00
// 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/>.
use util::rlp::*;
use util::{H256, H2048};
use util::U256;
use util::bytes::Bytes;
use header::Header;
use transaction::SignedTransaction;
use super::fork::Forkable;
use super::bloom::WithBloom;
use super::complete::CompleteBlock;
/// Helper structure, used for encoding blocks.
#[derive(Default)]
pub struct Block {
pub header: Header,
pub transactions: Vec<SignedTransaction>,
pub uncles: Vec<Header>
}
impl Encodable for Block {
fn rlp_append(&self, s: &mut RlpStream) {
s.begin_list(3);
s.append(&self.header);
s.append(&self.transactions);
s.append(&self.uncles);
}
}
impl Forkable for Block {
fn fork(mut self, fork_number: usize) -> Self where Self: Sized {
self.header.difficulty = self.header.difficulty - U256::from(fork_number);
self
}
}
impl WithBloom for Block {
fn with_bloom(mut self, bloom: H2048) -> Self where Self: Sized {
self.header.log_bloom = bloom;
self
}
}
impl CompleteBlock for Block {
fn complete(mut self, parent_hash: H256) -> Bytes {
self.header.parent_hash = parent_hash;
encode(&self).to_vec()
}
}