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use codec::{Decode, Encode};
#[cfg(feature = "std")]
use serde::{Deserialize, Serialize};
use sp_runtime::DispatchError;

pub trait Verifiable {
    fn verify(&self) -> Result<(), DispatchError>;
}

#[derive(Clone, Eq, PartialEq, Default, Encode, Decode, Hash)]
#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
pub struct DefaultParameters {
    pub can_be_nominated: bool,
    pub option_expired: u128,
    pub option_p: u128,
}

impl Verifiable for DefaultParameters {
    fn verify(&self) -> Result<(), DispatchError> {
        Ok(())
    }
}

#[cfg(feature = "std")]
impl std::fmt::Display for DefaultParameters {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        write!(f, "{:?}", self)
    }
}

impl sp_std::fmt::Debug for DefaultParameters {
    #[cfg(feature = "std")]
    fn fmt(&self, f: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {
        write!(f, "{:?}", self)
    }

    #[cfg(not(feature = "std"))]
    fn fmt(&self, _: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {
        Ok(())
    }
}