CustomMakeOffLedgerPayment.kt

abstract class CustomMakeOffLedgerPayment<T: TokenType>(
  val amount: Amount<T>,
  private val obligationStateAndRef: StateAndRef<Obligation<*>>,
  open val settlementMethod: OffLedgerPayment<*>,
  override val progressTracker: ProgressTracker = MakeOffLedgerPayment.tracker()
): MakeOffLedgerPayment<T>(amount, obligationStateAndRef, settlementMethod, progressTracker) {
  @Suspendable
  override fun setup() {
    // Perform any setup tasks needed for your payment rail
  }
  @Suspendable
  override fun checkBalance(requiredAmount: Amount<*>) {
    // Use CordaService API to check balances and verify funds exist.
  }
  @Suspendable
  override fun makePayment(obligation: Obligation<*>, amount: Amount<T>): Payment<T> {
    // Initiate payment on off-ledger payment rail
  }
}