73 lines
2.0 KiB
Rust
73 lines
2.0 KiB
Rust
// Copyright 2015, 2016 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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use rlp::*;
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use util::{H256, H2048};
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use util::bytes::Bytes;
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use header::Header;
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use transaction::SignedTransaction;
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use super::fork::Forkable;
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use super::bloom::WithBloom;
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use super::complete::CompleteBlock;
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use super::transaction::WithTransaction;
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/// Helper structure, used for encoding blocks.
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#[derive(Default)]
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pub struct Block {
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pub header: Header,
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pub transactions: Vec<SignedTransaction>,
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pub uncles: Vec<Header>
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}
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impl Encodable for Block {
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fn rlp_append(&self, s: &mut RlpStream) {
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s.begin_list(3);
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s.append(&self.header);
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s.append(&self.transactions);
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s.append(&self.uncles);
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}
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}
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impl Forkable for Block {
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fn fork(mut self, fork_number: usize) -> Self where Self: Sized {
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let difficulty = self.header.difficulty().clone() - fork_number.into();
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self.header.set_difficulty(difficulty);
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self
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}
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}
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impl WithBloom for Block {
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fn with_bloom(mut self, bloom: H2048) -> Self where Self: Sized {
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self.header.set_log_bloom(bloom);
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self
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}
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}
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impl WithTransaction for Block {
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fn with_transaction(mut self, transaction: SignedTransaction) -> Self where Self: Sized {
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self.transactions.push(transaction);
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self
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}
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}
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impl CompleteBlock for Block {
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fn complete(mut self, parent_hash: H256) -> Bytes {
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self.header.set_parent_hash(parent_hash);
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encode(&self).to_vec()
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}
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}
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