fix: enforce contract negotiation request and transfer request consis… #510

Job	Run time
Checkstyle	4m 13s
Component-Tests	3m 18s
API-Tests	11m 24s
End-To-End-Tests	13m 22s
Javadoc	6m 0s
Postgresql-Integration-Tests	9m 31s
Unit-Tests	8m 5s
Upload-Test-Report	19s
Upload-Coverage-Report-To-Codecov	15s
	56m 27s

Provide feedback