45 lines
1.6 KiB
Rust
45 lines
1.6 KiB
Rust
// Copyright 2015-2019 Parity Technologies (UK) Ltd.
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// This file is part of Parity Ethereum.
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// Parity Ethereum 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 Ethereum 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 Ethereum. If not, see <http://www.gnu.org/licenses/>.
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//! A generic verifier trait.
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use super::verification;
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use call_contract::CallContract;
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use client::BlockInfo;
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use engines::EthEngine;
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use error::Error;
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use types::header::Header;
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/// Should be used to verify blocks.
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pub trait Verifier<C>: Send + Sync
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where
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C: BlockInfo + CallContract,
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{
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/// Verify a block relative to its parent and uncles.
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fn verify_block_family(
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&self,
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header: &Header,
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parent: &Header,
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engine: &dyn EthEngine,
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do_full: Option<verification::FullFamilyParams<C>>,
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) -> Result<(), Error>;
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/// Do a final verification check for an enacted header vs its expected counterpart.
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fn verify_block_final(&self, expected: &Header, got: &Header) -> Result<(), Error>;
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/// Verify a block, inspecing external state.
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fn verify_block_external(&self, header: &Header, engine: &dyn EthEngine) -> Result<(), Error>;
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}
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