openethereum/ethcore/src/spec/seal.rs
Gav Wood 10b0898bdf
Crate tidyups.
- Move Updater into its own crate.
- Change ethcore -> parity in authors, homepages and licenses.
2016-12-11 19:14:42 +01:00

77 lines
1.8 KiB
Rust

// Copyright 2015, 2016 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/>.
//! Spec seal.
use rlp::*;
use util::hash::{H64, H256};
use ethjson;
/// Classic ethereum seal.
pub struct Ethereum {
/// Seal nonce.
pub nonce: H64,
/// Seal mix hash.
pub mix_hash: H256,
}
impl Into<Generic> for Ethereum {
fn into(self) -> Generic {
let mut s = RlpStream::new_list(2);
s.append(&self.mix_hash).append(&self.nonce);
Generic {
rlp: s.out()
}
}
}
/// Generic seal.
pub struct Generic {
/// Seal rlp.
pub rlp: Vec<u8>,
}
/// Genesis seal type.
pub enum Seal {
/// Classic ethereum seal.
Ethereum(Ethereum),
/// Generic seal.
Generic(Generic),
}
impl From<ethjson::spec::Seal> for Seal {
fn from(s: ethjson::spec::Seal) -> Self {
match s {
ethjson::spec::Seal::Ethereum(eth) => Seal::Ethereum(Ethereum {
nonce: eth.nonce.into(),
mix_hash: eth.mix_hash.into()
}),
ethjson::spec::Seal::Generic(g) => Seal::Generic(Generic {
rlp: g.rlp.into()
})
}
}
}
impl Into<Generic> for Seal {
fn into(self) -> Generic {
match self {
Seal::Generic(generic) => generic,
Seal::Ethereum(eth) => eth.into()
}
}
}