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Contract class version non-downgrade rule is check by LedgerTransaction.verify(). TransactionBuilder.toWireTransaction(services: ServicesForResolution) selects attachments for the transaction which obey non downgrade rule. New ServiceHub method loadAttachmentConstraint(stateRef: StateRef, forContractClassName: ContractClassName? = null) retrieves the attachment contract related to transaction output states of given contract class name. |
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src/main/kotlin/net/corda/core | ||
testing | ||
build.gradle |