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CORDA-2514 Constraints checking failures do not provide indication of cause (#4638)

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* Add logging to constraints checking to indicate reason of failure.

* Additional debug logging message.
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josecoll 2019-01-30 15:53:32 +00:00 committed by GitHub
parent 384a7c37b9
commit c7a77fda91
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 3 deletions
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24
core/src/main/kotlin/net/corda/core/contracts/AttachmentConstraint.kt
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@ -9,9 +9,12 @@ import net.corda.core.internal.AttachmentWithContext
import net.corda.core.internal.isUploaderTrusted
import net.corda.core.serialization.CordaSerializable
import net.corda.core.transactions.TransactionBuilder
import net.corda.core.utilities.loggerFor
import java.lang.annotation.Inherited
import java.security.PublicKey
private val log = loggerFor<AttachmentConstraint>()
/**
* This annotation should only be added to [Contract] classes.
* If the annotation is present, then we assume that [Contract.verify] will ensure that the output states have an acceptable constraint.
@ -46,8 +49,12 @@ object AlwaysAcceptAttachmentConstraint : AttachmentConstraint {
data class HashAttachmentConstraint(val attachmentId: SecureHash) : AttachmentConstraint {
override fun isSatisfiedBy(attachment: Attachment): Boolean {
return if (attachment is AttachmentWithContext) {
log.debug("Checking attachment uploader ${attachment.contractAttachment.uploader} is trusted")
attachment.id == attachmentId && isUploaderTrusted(attachment.contractAttachment.uploader)
} else false
} else {
log.warn("Hash constraint check failed: $attachmentId does not match contract attachment JAR ${attachment.id} or contract attachment JAR is untrusted")
false
}
}
}
@ -61,8 +68,12 @@ object WhitelistedByZoneAttachmentConstraint : AttachmentConstraint {
override fun isSatisfiedBy(attachment: Attachment): Boolean {
return if (attachment is AttachmentWithContext) {
val whitelist = attachment.networkParameters.whitelistedContractImplementations
log.debug("Checking ${attachment.contract} is in CZ whitelist $whitelist")
attachment.id in (whitelist[attachment.contract] ?: emptyList())
} else false
} else {
log.warn("CZ whitelisted constraint check failed: ${attachment.id} not in CZ whitelist")
false
}
}
}
@ -100,5 +111,12 @@ object AutomaticPlaceholderConstraint : AttachmentConstraint {
*/
@KeepForDJVM
data class SignatureAttachmentConstraint(val key: PublicKey) : AttachmentConstraint {
override fun isSatisfiedBy(attachment: Attachment): Boolean = key.isFulfilledBy(attachment.signerKeys.map { it })
override fun isSatisfiedBy(attachment: Attachment): Boolean {
log.debug("Checking signature constraints: verifying $key in contract attachment signer keys: ${attachment.signerKeys}")
return if (!key.isFulfilledBy(attachment.signerKeys.map { it })) {
log.warn("Untrusted signing key: expected $key. but contract attachment contains ${attachment.signerKeys}")
false
}
else true
}
}