openethereum/json/src/spec/authority_round.rs

81 lines
2.6 KiB
Rust

// Copyright 2015-2017 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/>.
//! Authority params deserialization.
use uint::Uint;
use super::ValidatorSet;
/// Authority params deserialization.
#[derive(Debug, PartialEq, Deserialize)]
pub struct AuthorityRoundParams {
/// Block duration.
#[serde(rename="stepDuration")]
pub step_duration: Uint,
/// Valid authorities
pub validators: ValidatorSet,
/// Starting step. Determined automatically if not specified.
/// To be used for testing only.
#[serde(rename="startStep")]
pub start_step: Option<Uint>,
/// Block at which score validation should start.
#[serde(rename="validateScoreTransition")]
pub validate_score_transition: Option<Uint>,
/// Block from which monotonic steps start.
#[serde(rename="validateStepTransition")]
pub validate_step_transition: Option<Uint>,
/// Whether transitions should be immediate.
#[serde(rename="immediateTransitions")]
pub immediate_transitions: Option<bool>,
}
/// Authority engine deserialization.
#[derive(Debug, PartialEq, Deserialize)]
pub struct AuthorityRound {
/// Ethash params.
pub params: AuthorityRoundParams,
}
#[cfg(test)]
mod tests {
use bigint::prelude::{U256, H160};
use uint::Uint;
use serde_json;
use hash::Address;
use spec::validator_set::ValidatorSet;
use spec::authority_round::AuthorityRound;
#[test]
fn authority_round_deserialization() {
let s = r#"{
"params": {
"stepDuration": "0x02",
"validators": {
"list" : ["0xc6d9d2cd449a754c494264e1809c50e34d64562b"]
},
"startStep" : 24,
"validateStepTransition": 150
}
}"#;
let deserialized: AuthorityRound = serde_json::from_str(s).unwrap();
assert_eq!(deserialized.params.step_duration, Uint(U256::from(0x02)));
assert_eq!(deserialized.params.validators, ValidatorSet::List(vec![Address(H160::from("0xc6d9d2cd449a754c494264e1809c50e34d64562b"))]));
assert_eq!(deserialized.params.start_step, Some(Uint(U256::from(24))));
assert_eq!(deserialized.params.immediate_transitions, None);
}
}