openethereum/json/src/spec/engine.rs

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// Copyright 2015-2018 Parity Technologies (UK) Ltd.
// 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/>.
//! Engine deserialization.
use super::{Ethash, BasicAuthority, AuthorityRound, Tendermint, NullEngine};
/// Engine deserialization.
#[derive(Debug, PartialEq, Deserialize)]
pub enum Engine {
/// Null engine.
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#[serde(rename="null")]
Null(NullEngine),
/// Instantly sealing engine.
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#[serde(rename="instantSeal")]
InstantSeal,
/// Ethash engine.
Ethash(Ethash),
/// BasicAuthority engine.
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#[serde(rename="basicAuthority")]
BasicAuthority(BasicAuthority),
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/// AuthorityRound engine.
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#[serde(rename="authorityRound")]
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AuthorityRound(AuthorityRound),
/// Tendermint engine.
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#[serde(rename="tendermint")]
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Tendermint(Tendermint)
}
#[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": null
}"#;
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let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::InstantSeal => {}, // instant seal is unit tested in its own file.
_ => panic!(),
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};
let s = r#"{
"Ethash": {
"params": {
"minimumDifficulty": "0x020000",
"difficultyBoundDivisor": "0x0800",
"durationLimit": "0x0d",
"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
"homesteadTransition" : "0x",
"daoHardforkTransition": "0xffffffffffffffff",
"daoHardforkBeneficiary": "0x0000000000000000000000000000000000000000",
"daoHardforkAccounts": []
}
}
}"#;
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let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::Ethash(_) => {}, // ethash is unit tested in its own file.
_ => panic!(),
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};
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!(),
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};
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!(),
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};
let s = r#"{
"tendermint": {
"params": {
"validators": {
"list": ["0xc6d9d2cd449a754c494264e1809c50e34d64562b"]
}
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}
}
}"#;
let deserialized: Engine = serde_json::from_str(s).unwrap();
match deserialized {
Engine::Tendermint(_) => {}, // Tendermint is unit tested in its own file.
_ => panic!(),
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};
}
}