@DoNotImplement @InitiatingFlow class Client : BackpressureAwareTimedFlow<List<TransactionSignature>>
A flow to be used by a party for obtaining signature(s) from a NotaryService ascertaining the transaction time-window is correct and none of its inputs have been used in another completed transaction.
In case of a single-node or Raft notary, the flow will return a single signature. For the BFT notary multiple signatures will be returned – one from each replica that accepted the input state commit.
The transaction to be notarised, stx, should be fully verified before calling this flow.
NotaryException - in case the any of the inputs to the transaction have been consumed
by another transaction or the time-window is invalid or
the parameters used for this transaction are no longer in force in the network.
REQUESTING |
object REQUESTING : Step |
VALIDATING |
object VALIDATING : Step |
<init> |
Client(stx: SignedTransaction, skipVerification: Boolean = false)Client(stx: SignedTransaction, progressTracker: ProgressTracker)
A flow to be used by a party for obtaining signature(s) from a NotaryService ascertaining the transaction time-window is correct and none of its inputs have been used in another completed transaction. Client(stx: SignedTransaction, progressTracker: ProgressTracker, skipVerification: Boolean = false) |
isTimeoutEnabled |
open val isTimeoutEnabled: Boolean |
progressTracker |
Override this to provide a ProgressTracker. If one is provided and stepped, the framework will do something helpful with the progress reports e.g record to the audit service. If this flow is invoked as a subflow of another, then the tracker will be made a child of the current step in the parent. If it's null, this flow doesn't track progress. open val progressTracker: ProgressTracker |
call |
This is where you fill out your business logic. open fun call(): List<TransactionSignature> |
checkTransaction |
Checks that the transaction specifies a valid notary, and verifies that it contains all required signatures apart from the notary's. fun checkTransaction(): Party |
notarise |
Notarises the transaction with the notaryParty, obtains the notary's signature(s). fun notarise(notaryParty: Party): UntrustworthyData<NotarisationResponse> |
validateResponse |
Checks that the notary's signature(s) is/are valid. fun validateResponse(response: UntrustworthyData<NotarisationResponse>, notaryParty: Party): List<TransactionSignature> |
tracker |
fun tracker(): ProgressTracker |