pub trait ContractStateWrite {
type Error: Error;
// Required methods
fn add_genesis(&mut self, genesis: &Genesis) -> Result<(), Self::Error>;
fn add_transition(
&mut self,
transition: &Transition,
witness_id: Txid,
witness_ord: WitnessOrd,
bundle_id: BundleId,
) -> Result<(), Self::Error>;
}