92 lines
2.2 KiB
Rust
92 lines
2.2 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, H520};
|
|
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(s.out())
|
|
}
|
|
}
|
|
|
|
/// AuthorityRound seal.
|
|
pub struct AuthorityRound {
|
|
/// Seal step.
|
|
pub step: usize,
|
|
/// Seal signature.
|
|
pub signature: H520,
|
|
}
|
|
|
|
impl Into<Generic> for AuthorityRound {
|
|
fn into(self) -> Generic {
|
|
let mut s = RlpStream::new_list(2);
|
|
s.append(&self.step).append(&self.signature);
|
|
Generic(s.out())
|
|
}
|
|
}
|
|
|
|
pub struct Generic(pub Vec<u8>);
|
|
|
|
/// Genesis seal type.
|
|
pub enum Seal {
|
|
/// Classic ethereum seal.
|
|
Ethereum(Ethereum),
|
|
/// AuthorityRound seal.
|
|
AuthorityRound(AuthorityRound),
|
|
/// Generic RLP 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::AuthorityRound(ar) => Seal::AuthorityRound(AuthorityRound {
|
|
step: ar.step.into(),
|
|
signature: ar.signature.into()
|
|
}),
|
|
ethjson::spec::Seal::Generic(g) => Seal::Generic(Generic(g.into())),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Into<Generic> for Seal {
|
|
fn into(self) -> Generic {
|
|
match self {
|
|
Seal::Generic(generic) => generic,
|
|
Seal::Ethereum(eth) => eth.into(),
|
|
Seal::AuthorityRound(ar) => ar.into(),
|
|
}
|
|
}
|
|
}
|