Whitelisted
An AttachmentConstraint that verifies that the hash of the attachment is in the network parameters whitelist. See: net.corda.core.node.NetworkParameters.whitelistedContractImplementations It allows for centralized control over the cordapps that can be used.
Functions
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fun AttachmentConstraint.canBeTransitionedFrom(input: AttachmentConstraint, attachment: ContractAttachment): Boolean
This method will be used in conjunction with NoConstraintPropagation. It is run during transaction verification when the contract is not annotated with NoConstraintPropagation. When constraints propagation is enabled, constraints set on output states need to follow certain rules with regards to constraints of input states.
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Returns whether the given contract attachment can be used with the ContractState associated with this constraint object.