Sign transaction for the application

Steps

1. Submit a request in accordance with the details in Sign transaction for the application.
2. The platform validates the request, by verifying, among other things:
   1. that the transaction is specified in the TransactionRequest.

   2. whether or not the participant's access to the transaction has been revoked.

      Refer to the serviceType ‘REVOKE’ in the API endpoint /wiki/spaces/LPDA510/pages/1804140. A revoked participant cannot sign the transaction.

   3. whether or not the transaction can be opened and signed.

      Refer to TIMELOCK_BEFORE and TIMELOCK_AFTER in the API endpoint Service.
3. The platform unlocks and opens the transaction to sign.
4. The platform signs the transaction.
5. The platform updates the signed-status of the transaction in the archive.
6. The platform returns the ParticipantStatusResponse.