Fill a custom field when status is changing
I would like to make the logic, when Redmine authorized user change some specific status, Redmine should fill the custom field in read only mode. So, nobody can have possibility to change the value.
E.g. when status is changing to "Sent for approval", Redmine fill the custom field "Sent for approval" with the name of user.
When the user change a status to "Finally tested", Redmine fill the custom filed "Finally tested" with the name of user.
Could you recommend plugin(s) which can be used to do that?