openethereum/crates/ethjson/src/spec/engine.rs
2021-01-14 15:30:57 +01:00

151 lines
4.1 KiB
Rust

// Copyright 2015-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.
// OpenEthereum 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.
// OpenEthereum 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 OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
//! Engine deserialization.
use super::{AuthorityRound, BasicAuthority, Clique, Ethash, InstantSeal, NullEngine};
/// Engine deserialization.
#[derive(Debug, PartialEq, Deserialize)]
#[serde(deny_unknown_fields)]
#[serde(rename_all = "camelCase")]
pub enum Engine {
/// Null engine.
Null(NullEngine),
/// Instantly sealing engine.
InstantSeal(Option<InstantSeal>),
/// Ethash engine.
#[serde(rename = "Ethash")]
Ethash(Ethash),
/// BasicAuthority engine.
BasicAuthority(BasicAuthority),
/// AuthorityRound engine.
AuthorityRound(AuthorityRound),
/// Clique engine.
Clique(Clique),
}
#[cfg(test)]
mod tests {
use serde_json;
use spec::Engine;
#[test]
fn engine_deserialization() {
let s = r#"{
"null": {
"params": {
"blockReward": "0x0d"
}
}
}"#;
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::Null(_) => {} // unit test in its own file.
_ => panic!(),
}
let s = r#"{
"instantSeal": {"params": {}}
}"#;
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::InstantSeal(_) => {} // instant seal is unit tested in its own file.
_ => panic!(),
};
let s = r#"{
"instantSeal": null
}"#;
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::InstantSeal(_) => {} // instant seal is unit tested in its own file.
_ => panic!(),
};
let s = r#"{
"Ethash": {
"params": {
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"homesteadTransition" : "0x",
"daoHardforkTransition": "0xffffffffffffffff",
"daoHardforkBeneficiary": "0x0000000000000000000000000000000000000000",
"daoHardforkAccounts": []
}
}
}"#;
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::Ethash(_) => {} // ethash is unit tested in its own file.
_ => panic!(),
};
let s = r#"{
"basicAuthority": {
"params": {
"durationLimit": "0x0d",
"validators" : {
"list": ["0xc6d9d2cd449a754c494264e1809c50e34d64562b"]
}
}
}
}"#;
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::BasicAuthority(_) => {} // basicAuthority is unit tested in its own file.
_ => panic!(),
};
let s = r#"{
"authorityRound": {
"params": {
"stepDuration": "0x02",
"validators": {
"list" : ["0xc6d9d2cd449a754c494264e1809c50e34d64562b"]
},
"startStep" : 24,
"validateStepTransition": 150
}
}
}"#;
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::AuthorityRound(_) => {} // AuthorityRound is unit tested in its own file.
_ => panic!(),
};
let s = r#"{
"clique": {
"params": {
"period": 15,
"epoch": 30000
}
}
}"#;
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::Clique(_) => {} // Clique is unit tested in its own file.
_ => panic!(),
};
}
}