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Merge pull request #7685 from corda/shams-signers-component-group

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ENT-9659: Using signers component group for `WireTransaction.requiredSigningKeys`
This commit is contained in:
Adel El-Beik
2024-03-07 20:03:47 +00:00
committed by GitHub
parent 54135a26c9 47a57285fb
commit 5b8fc6f503
1 changed files with 15 additions and 5 deletions
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20
core/src/main/kotlin/net/corda/core/transactions/WireTransaction.kt
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@ -8,6 +8,7 @@ import net.corda.core.contracts.CommandWithParties
import net.corda.core.contracts.ComponentGroupEnum import net.corda.core.contracts.ComponentGroupEnum
import net.corda.core.contracts.ComponentGroupEnum.COMMANDS_GROUP import net.corda.core.contracts.ComponentGroupEnum.COMMANDS_GROUP
import net.corda.core.contracts.ComponentGroupEnum.OUTPUTS_GROUP import net.corda.core.contracts.ComponentGroupEnum.OUTPUTS_GROUP
import net.corda.core.contracts.ComponentGroupEnum.SIGNERS_GROUP
import net.corda.core.contracts.ContractState import net.corda.core.contracts.ContractState
import net.corda.core.contracts.PrivacySalt import net.corda.core.contracts.PrivacySalt
import net.corda.core.contracts.StateRef import net.corda.core.contracts.StateRef
@ -24,11 +25,13 @@ import net.corda.core.internal.Emoji
import net.corda.core.internal.SerializedStateAndRef import net.corda.core.internal.SerializedStateAndRef
import net.corda.core.internal.SerializedTransactionState import net.corda.core.internal.SerializedTransactionState
import net.corda.core.internal.createComponentGroups import net.corda.core.internal.createComponentGroups
import net.corda.core.internal.deserialiseComponentGroup
import net.corda.core.internal.flatMapToSet import net.corda.core.internal.flatMapToSet
import net.corda.core.internal.getGroup import net.corda.core.internal.getGroup
import net.corda.core.internal.isUploaderTrusted import net.corda.core.internal.isUploaderTrusted
import net.corda.core.internal.lazyMapped import net.corda.core.internal.lazyMapped
import net.corda.core.internal.mapToSet import net.corda.core.internal.mapToSet
import net.corda.core.internal.uncheckedCast
import net.corda.core.internal.verification.VerificationSupport import net.corda.core.internal.verification.VerificationSupport
import net.corda.core.internal.verification.toVerifyingServiceHub import net.corda.core.internal.verification.toVerifyingServiceHub
import net.corda.core.node.NetworkParameters import net.corda.core.node.NetworkParameters
@ -106,13 +109,20 @@ class WireTransaction(componentGroups: List<ComponentGroup>, val privacySalt: Pr
/** Public keys that need to be fulfilled by signatures in order for the transaction to be valid. */ /** Public keys that need to be fulfilled by signatures in order for the transaction to be valid. */
val requiredSigningKeys: Set<PublicKey> val requiredSigningKeys: Set<PublicKey>
get() { get() {
val commandKeys = commands.flatMap { it.signers }.toSet() val keys = LinkedHashSet<PublicKey>()
// TODO: prevent notary field from being set if there are no inputs and no time-window. val signersGroup: List<List<PublicKey>> = uncheckedCast(deserialiseComponentGroup(componentGroups, List::class, SIGNERS_GROUP))
return if (notary != null && (inputs.isNotEmpty() || references.isNotEmpty() || timeWindow != null)) { if (signersGroup.isNotEmpty()) {
commandKeys + notary.owningKey signersGroup.forEach { keys.addAll(it) }
} else { } else {
commandKeys // On the very odd chance we're dealing with a pre-3.x transaction, use the commands to get the signers. However, this has
// risk of not being deserialisable if the correct CorDapp is not installed. This is why this is only used as a last resort.
commands.flatMapTo(keys) { it.signers }
} }
// TODO: prevent notary field from being set if there are no inputs and no time-window.
if (notary != null && (inputs.isNotEmpty() || references.isNotEmpty() || timeWindow != null)) {
keys += notary.owningKey
}
return keys
} }
/** /**