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