fill
fun fillWithSomeTestCommodity(amount: <Error class: unknown class><<Error class: unknown class>>, issuerServices: <Error class: unknown class>, issuedBy: <Error class: unknown class>): <Error class: unknown class><CommodityState>
Return
a vault object that represents the generated states (it will NOT be the full vault from the service hub!).
Parameters
issuer
service hub of the issuer node, which will be used to sign the transaction.