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CORDA-2150 signature constraints non-downgrade rule (#4262)

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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.
This commit is contained in:
szymonsztuka
2018-12-11 10:23:07 +00:00
committed by GitHub
parent b14f3d61b3
commit 4799df9b80
32 changed files with 628 additions and 91 deletions
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8
node-api/src/test/kotlin/net/corda/nodeapi/internal/AttachmentsClassLoaderStaticContractTests.kt
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@ -9,6 +9,8 @@ import net.corda.core.crypto.SecureHash
import net.corda.core.identity.AbstractParty
import net.corda.core.identity.CordaX500Name
import net.corda.core.identity.Party
import net.corda.core.internal.DEPLOYED_CORDAPP_UPLOADER
import net.corda.core.internal.RPC_UPLOADER
import net.corda.core.node.ServicesForResolution
import net.corda.core.node.services.AttachmentStorage
import net.corda.core.node.services.NetworkParametersStorage
@ -94,8 +96,10 @@ class AttachmentsClassLoaderStaticContractTests {
doReturn("app").whenever(attachment).uploader
doReturn(emptyList<Party>()).whenever(attachment).signerKeys
val contractAttachmentId = SecureHash.randomSHA256()
val attachmentQueryCriteria = AttachmentQueryCriteria.AttachmentsQueryCriteria(contractClassNamesCondition = Builder.equal(listOf(ATTACHMENT_PROGRAM_ID)),
versionCondition = Builder.greaterThanOrEqual(DEFAULT_CORDAPP_VERSION))
val attachmentQueryCriteria = AttachmentQueryCriteria.AttachmentsQueryCriteria(
contractClassNamesCondition = Builder.equal(listOf(ATTACHMENT_PROGRAM_ID)),
versionCondition = Builder.greaterThanOrEqual(DEFAULT_CORDAPP_VERSION),
uploaderCondition = Builder.`in`(listOf(DEPLOYED_CORDAPP_UPLOADER, RPC_UPLOADER)))
val attachmentSort = AttachmentSort(listOf(AttachmentSort.AttachmentSortColumn(AttachmentSort.AttachmentSortAttribute.VERSION, Sort.Direction.DESC)))
doReturn(listOf(contractAttachmentId)).whenever(attachmentStorage).queryAttachments(attachmentQueryCriteria, attachmentSort)
}