Asset Model

Asset

The fully qualified name is org.hyperledger.composer.system.Asset

Additional Information

The base asset is implicitly extended by all other assets. Asset is an abstract meaning that no instances of it can be created.

abstract asset Asset {  }

Properties

References

Registry

The fully qualified name is org.hyperledger.composer.system.Registry

Additional Information

The base registry is implicitly extended by all other registries. Registry is an abstract meaning that no instances of it can be created. All registries must have a registryId, a name, a type, and a boolean system property defining whether it is a system registry.

abstract asset Registry identified by registryId {
  o String registryId
  o String name
  o String type
  o Boolean system
}

Properties

References

AssetRegistry

The fully qualified name is org.hyperledger.composer.system.AssetRegistry

Additional Information

AssetRegistry is not an abstract so instances of it can be created. AssetRegistry extends the Registry type. As an extension of Registry, it includes the properties of Registry.

asset AssetRegistry extends Registry { }

Properties

References

ParticipantRegistry

The fully qualified name is org.hyperledger.composer.system.ParticipantRegistry

Additional Information

ParticipantRegistry is not an abstract so instances of it can be created. ParticipantRegistry extends the Registry type. As an extension of Registry, it includes the properties of Registry.

asset ParticipantRegistry extends Registry { }

Properties

References

TransactionRegistry

The fully qualified name is org.hyperledger.composer.system.TransactionRegistry

Additional Information

TransactionRegistry is not an abstract so instances of it can be created. TransactionRegistry extends the Registry type. As an extension of Registry, it includes the properties of Registry.

asset TransactionRegistry extends Registry { }

Properties

References

Network

The fully qualified name is org.hyperledger.composer.system.Network

Additional Information

Network is a system asset, containing the networkId and runtimeVersion properties.

asset Network identified by networkId {
  o String networkId
  o String runtimeVersion
}

Properties

References

HistorianRecord

The fully qualified name is org.hyperledger.composer.system.HistorianRecord

Additional Information

HistorianRecord is a system asset which holds information from network transactions. HistorianRecord has the transactionId, transactionType, transactionInvoked, participantInvoking, identityUsed, eventsEmitted, and transactionTimestamp properties.

asset HistorianRecord identified by transactionId {
  o String        transactionId
  o String        transactionType
  --> Transaction transactionInvoked
  --> Participant participantInvoking  optional
  --> Identity    identityUsed         optional
  o Event[]       eventsEmitted        optional
  o DateTime      transactionTimestamp
}

Properties

References

Composer Documentation

Identity

The fully qualified name is org.hyperledger.composer.system.Identity

Additional Information

Identity is a system asset which is related to a participant.

asset Identity identified by identityId {
    o String identityId
    o String name
    o String issuer
    o String certificate
    o IdentityState state
    --> Participant participant
}

Properties

References