docs/net.corda.core.internal.notary

Package-level declarations

Types

class NotaryInternalException(val error: NotaryError) : FlowException

Exception internal to the notary service. Does not get exposed to CorDapps and flows calling NotaryFlow.Client.

abstract class NotaryService : SingletonSerializeAsToken

abstract class NotaryServiceFlow(val otherSideSession: FlowSession, val service: SinglePartyNotaryService, etaThreshold: Duration) : FlowLogic<Void?>

A flow run by a notary service that handles notarisation requests.

SigningFunction

typealias SigningFunction = (SecureHash) -> TransactionSignature

SinglePartyNotaryService

abstract class SinglePartyNotaryService : NotaryService

Base implementation for a notary service operated by a singe party.

UniquenessProvider

interface UniquenessProvider

A service that records input states of the given transaction and provides conflict information if any of the inputs have already been used in another transaction.

Functions

generateSignature

fun NotarisationRequest.generateSignature(serviceHub: ServiceHub): NotarisationRequestSignature

Creates a signature over the notarisation request using the legal identity key.

isConsumedByTheSameTx

fun isConsumedByTheSameTx(txIdHash: SecureHash, consumedStates: Map<StateRef, StateConsumptionDetails>): Boolean

Checks if the provided states were used as inputs in the specified transaction.

validateSignatures

fun NotarisationResponse.validateSignatures(txId: SecureHash, notary: Party)

Checks that there are sufficient signatures to satisfy the notary signing requirement and validates the signatures against the given transaction id.

validateTimeWindow

fun validateTimeWindow(currentTime: Instant, timeWindow: TimeWindow?): NotaryError.TimeWindowInvalid?

Returns NotaryError.TimeWindowInvalid if currentTime is outside the timeWindow, and null otherwise.

verifySignature

fun NotarisationRequest.verifySignature(requestSignature: NotarisationRequestSignature, intendedSigner: Party)

Verifies the signature against this notarisation request. Checks that the signature is issued by the right party.