Party visibility and Contract owner change on "to-do list" example

[jakub]

I figured out a solution.

First problem: stays uchanged. I think that a list, where I can add observer is the best solution for me so far.

Second problem (I wanted that admin could do anything): I used a dynamic signatory trick and this works just fine.
It’s Bernhard post in this topic:

How can I implement the case that the contract requires dynamic numbers of signatories?

Here’s my code and I don’t kown how to continue. template ContractWithMultiSignatories with signatories: [Party] where signatory signatories template ContracProposal with contract: ContractWithMultiSignatories submitter: Party signed: [Party] where signatory submitter observer contract.signatories controller contract.signatories can Accept : ContractId ContractWithMultiSignatories do assertMsg "Somebody hasn't signed" (contract.si…