97 lines
2.8 KiB
Rust
97 lines
2.8 KiB
Rust
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity 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 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. If not, see <http://www.gnu.org/licenses/>.
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//! Tendermint specific parameters.
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use ethjson;
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use util::{U256, Uint, Address};
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use time::Duration;
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use super::super::transition::Timeouts;
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use super::Step;
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/// `Tendermint` params.
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#[derive(Debug)]
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pub struct TendermintParams {
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/// Gas limit divisor.
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pub gas_limit_bound_divisor: U256,
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/// List of validators.
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pub validators: ethjson::spec::ValidatorSet,
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/// Timeout durations for different steps.
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pub timeouts: TendermintTimeouts,
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/// Block reward.
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pub block_reward: U256,
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/// Namereg contract address.
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pub registrar: Address,
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}
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/// Base timeout of each step in ms.
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#[derive(Debug, Clone)]
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pub struct TendermintTimeouts {
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pub propose: Duration,
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pub prevote: Duration,
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pub precommit: Duration,
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pub commit: Duration,
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}
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impl Default for TendermintTimeouts {
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fn default() -> Self {
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TendermintTimeouts {
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propose: Duration::milliseconds(1000),
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prevote: Duration::milliseconds(1000),
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precommit: Duration::milliseconds(1000),
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commit: Duration::milliseconds(1000),
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}
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}
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}
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impl Timeouts<Step> for TendermintTimeouts {
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fn initial(&self) -> Duration {
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self.propose
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}
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fn timeout(&self, step: &Step) -> Duration {
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match *step {
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Step::Propose => self.propose,
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Step::Prevote => self.prevote,
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Step::Precommit => self.precommit,
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Step::Commit => self.commit,
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}
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}
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}
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fn to_duration(ms: ethjson::uint::Uint) -> Duration {
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let ms: usize = ms.into();
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Duration::milliseconds(ms as i64)
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}
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impl From<ethjson::spec::TendermintParams> for TendermintParams {
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fn from(p: ethjson::spec::TendermintParams) -> Self {
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let dt = TendermintTimeouts::default();
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TendermintParams {
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gas_limit_bound_divisor: p.gas_limit_bound_divisor.into(),
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validators: p.validators,
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timeouts: TendermintTimeouts {
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propose: p.timeout_propose.map_or(dt.propose, to_duration),
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prevote: p.timeout_prevote.map_or(dt.prevote, to_duration),
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precommit: p.timeout_precommit.map_or(dt.precommit, to_duration),
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commit: p.timeout_commit.map_or(dt.commit, to_duration),
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},
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block_reward: p.block_reward.map_or_else(U256::zero, Into::into),
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registrar: p.registrar.map_or_else(Address::new, Into::into),
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}
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}
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}
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