openethereum/ethcore/src/verification/mod.rs

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// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
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// 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/>.
//! Block verification utilities.
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pub mod verification;
pub mod verifier;
pub mod queue;
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mod canon_verifier;
mod noop_verifier;
pub use self::verification::*;
pub use self::verifier::Verifier;
pub use self::canon_verifier::CanonVerifier;
pub use self::noop_verifier::NoopVerifier;
pub use self::queue::{BlockQueue, Config as QueueConfig, VerificationQueue, QueueInfo};
/// Verifier type.
#[derive(Debug, PartialEq, Clone)]
pub enum VerifierType {
/// Verifies block normally.
Canon,
/// Verifies block normallly, but skips seal verification.
CanonNoSeal,
/// Does not verify block at all.
/// Used in tests.
Noop,
}
impl Default for VerifierType {
fn default() -> Self {
VerifierType::Canon
}
}
/// Create a new verifier based on type.
pub fn new(v: VerifierType) -> Box<Verifier> {
match v {
VerifierType::Canon | VerifierType::CanonNoSeal => Box::new(CanonVerifier),
VerifierType::Noop => Box::new(NoopVerifier),
}
}
impl VerifierType {
/// Check if seal verification is enabled for this verifier type.
pub fn verifying_seal(&self) -> bool {
match *self {
VerifierType::Canon => true,
VerifierType::Noop | VerifierType::CanonNoSeal => false,
}
}
}