pub trait Metadata {
// Required methods
fn field(&self) -> &BigInt;
fn curve(&self) -> &CurveType;
fn proving_system(&self) -> &ProvingSystem;
}pub trait Metadata {
// Required methods
fn field(&self) -> &BigInt;
fn curve(&self) -> &CurveType;
fn proving_system(&self) -> &ProvingSystem;
}