OrderTypeContract : Contract order type, for contract offerers that can dynamically generate orders.

OrderTypeFullOpen : No partial fills, anyone can execute.

OrderTypeFullRestricted : No partial fills, only offerer or zone can check if it can be executed.

OrderTypePartialOpen : Partial fills supported, anyone can execute.

OrderTypePartialRestricted : Partial fills supported, only offerer or zone can check if it can be executed.

SafelistStatus is the status of the collection verification requests.