sui_graphql_rpc/types/
system_parameters.rs

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// Copyright (c) Mysten Labs, Inc.
// SPDX-License-Identifier: Apache-2.0
use super::{big_int::BigInt, uint53::UInt53};
use async_graphql::*;

/// Details of the system that are decided during genesis.
#[derive(Clone, Debug, PartialEq, Eq, SimpleObject)]
pub(crate) struct SystemParameters {
    /// Target duration of an epoch, in milliseconds.
    pub duration_ms: Option<BigInt>,

    /// The epoch at which stake subsidies start being paid out.
    pub stake_subsidy_start_epoch: Option<UInt53>,

    /// The minimum number of active validators that the system supports.
    pub min_validator_count: Option<u64>,

    /// The maximum number of active validators that the system supports.
    pub max_validator_count: Option<u64>,

    /// Minimum stake needed to become a new validator.
    pub min_validator_joining_stake: Option<BigInt>,

    /// Validators with stake below this threshold will enter the grace period (see
    /// `validatorLowStakeGracePeriod`), after which they are removed from the active validator set.
    pub validator_low_stake_threshold: Option<BigInt>,

    /// Validators with stake below this threshold will be removed from the active validator set
    /// at the next epoch boundary, without a grace period.
    pub validator_very_low_stake_threshold: Option<BigInt>,

    /// The number of epochs that a validator has to recover from having less than
    /// `validatorLowStakeThreshold` stake.
    pub validator_low_stake_grace_period: Option<BigInt>,
}