openethereum/ethcore/spec/src/genesis.rs
David fbf425c4e2 Extract spec to own crate (#10978)
* Add client-traits crate
Move the BlockInfo trait to new crate

* New crate `machine`
Contains code extracted from ethcore that defines `Machine`, `Externalities` and other execution related code.

* Use new machine and client-traits crates in ethcore

* Use new crates machine and client-traits instead of ethcore where appropriate

* Fix tests

* Don't re-export so many types from ethcore::client

* Fixing more fallout from removing re-export

* fix test

* More fallout from not re-exporting types

* Add some docs

* cleanup

* import the macro edition style

* Tweak docs

* Add missing import

* remove unused ethabi_derive imports

* Use latest ethabi-contract

* Move many traits from ethcore/client/traits to client-traits crate
Initial version of extracted Engine trait

* Move snapshot related traits to the engine crate (eew)

* Move a few snapshot related types to common_types
Cleanup Executed as exported from machine crate

* fix warning

* Gradually introduce new engine crate: snapshot

* ethcore typechecks with new engine crate

* Sort out types outside ethcore

* Add an EpochVerifier to ethash and use that in Engine.epoch_verifier()
Cleanup

* Document pub members

* Sort out tests
Sort out default impls for EpochVerifier

* Add test-helpers feature and move EngineSigner impl to the right place

* Sort out tests

* Sort out tests and refactor verification types

* Fix missing traits

* More missing traits
Fix Histogram

* Fix tests and cleanup

* cleanup

* Put back needed logger import

* Don't rexport common_types from ethcore/src/client
Don't export ethcore::client::*

* Remove files no longer used
Use types from the engine crate
Explicit exports from engine::engine

* Get rid of itertools

* Move a few more traits from ethcore to client-traits: BlockChainReset, ScheduleInfo, StateClient

* Move ProvingBlockChainClient to client-traits

* Don't re-export ForkChoice and Transition from ethcore

* Address grumbles: sort imports, remove commented out code

* Fix merge resolution error

* Extract the Clique engine to own crate

* Extract NullEngine and the block_reward module from ethcore

* Extract InstantSeal engine to own crate

* Extract remaining engines

* Extract executive_state to own crate so it can be used by engine crates

* Remove snapshot stuff from the engine crate

* Put snapshot traits back in ethcore

* cleanup

* Remove stuff from ethcore

* Don't use itertools

* itertools in aura is legit-ish

* More post-merge fixes

* Re-export less types in client

* cleanup

* Extract spec to own crate

* Put back the test-helpers from basic-authority

* Fix ethcore benchmarks

* Reduce the public api of ethcore/verification

* Update ethcore/block-reward/Cargo.toml

Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update ethcore/engines/basic-authority/Cargo.toml

Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update ethcore/engines/ethash/Cargo.toml

Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* Update ethcore/engines/clique/src/lib.rs

Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* signers is already a ref

* Add an EngineType enum to tighten up Engine.name()

* Introduce Snapshotting enum to distinguish the type of snapshots a chain uses

* Rename supports_warp to snapshot_mode

* Missing import

* Update ethcore/src/snapshot/consensus/mod.rs

Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>

* missing import

* Fix import

* double semi
2019-08-23 15:32:58 +02:00

65 lines
2.0 KiB
Rust

// Copyright 2015-2019 Parity Technologies (UK) Ltd.
// This file is part of Parity Ethereum.
// Parity Ethereum 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 Ethereum 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 Ethereum. If not, see <http://www.gnu.org/licenses/>.
use ethereum_types::{H256, U256, Address};
use ethjson;
use keccak_hash::KECCAK_NULL_RLP;
use crate::seal::Seal;
/// Genesis components.
pub struct Genesis {
/// Seal.
pub seal: Seal,
/// Difficulty.
pub difficulty: U256,
/// Author.
pub author: Address,
/// Timestamp.
pub timestamp: u64,
/// Parent hash.
pub parent_hash: H256,
/// Gas limit.
pub gas_limit: U256,
/// Transactions root.
pub transactions_root: H256,
/// Receipts root.
pub receipts_root: H256,
/// State root.
pub state_root: Option<H256>,
/// Gas used.
pub gas_used: U256,
/// Extra data.
pub extra_data: Vec<u8>,
}
impl From<ethjson::spec::Genesis> for Genesis {
fn from(g: ethjson::spec::Genesis) -> Self {
Genesis {
seal: From::from(g.seal),
difficulty: g.difficulty.into(),
author: g.author.map_or_else(Address::zero, Into::into),
timestamp: g.timestamp.map_or(0, Into::into),
parent_hash: g.parent_hash.map_or_else(H256::zero, Into::into),
gas_limit: g.gas_limit.into(),
transactions_root: g.transactions_root.map_or_else(|| KECCAK_NULL_RLP.clone(), Into::into),
receipts_root: g.receipts_root.map_or_else(|| KECCAK_NULL_RLP.clone(), Into::into),
state_root: g.state_root.map(Into::into),
gas_used: g.gas_used.map_or_else(U256::zero, Into::into),
extra_data: g.extra_data.map_or_else(Vec::new, Into::into),
}
}
}