miniscript

pub trait ToPkh{
    fn to_pkh(&self) -> hash160::Hash;
}

impl ToPkh for hash160::Hash{
    fn to_pkh(&self) -> hash160::Hash{
        *self
    }
}

pub trait PublicKey: Clone + Eq + Ord + str::FromStr + fmt::Debug +fmt::Display {
    type Hash: Clone + Eq + Ord + str::FromStr + fmt::Display + fmt::Debug + ToPkh;

    ///Converts an object to PublicHash
    fn to_pubkeyhash(&self) -> Result<Self::Hash, Error>;

    /// Converts an object to a public key
    fn to_public_key(&self) -> Result<bitcoin::PublicKey, Error>;

    /// Computes the size of a public key when serialized in a script,
    /// including the length bytes
    fn serialized_len(&self) -> Result<usize, Error>;
}