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Ensure NodeInfo derived properties informeesOfNode and requireAuthorizers always return (#4554)

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Fail with a more explanatory message if `Fetch.actingParties` is `None`

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fabiotudone-da 2020-03-04 08:18:05 +01:00 committed by GitHub
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commit 85a10e5113
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1 changed files with 9 additions and 2 deletions
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11
daml-lf/transaction/src/main/scala/com/digitalasset/daml/lf/transaction/NodeInfo.scala
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@ -49,8 +49,15 @@ object NodeInfo {
def stakeholders: Set[Party]
def actingParties: Option[Set[Party]]
final def requiredAuthorizers: Set[Party] = actingParties.get
final def informeesOfNode: Set[Party] = signatories | actingParties.get
final def requiredAuthorizers: Set[Party] =
actingPartiesOrThrow
final def informeesOfNode: Set[Party] =
signatories | actingPartiesOrThrow
private[this] def actingPartiesOrThrow: Set[Party] =
actingParties.fold(
throw new IllegalStateException(
"'Fetch.actingParties' should always be present but is 'None'"))(identity)
}
trait Exercise extends NodeInfo {