Asynchronous contract verification scheduling

[lukeromanowicz]

Implement a message queue and a scheduler that pushes contract verification submissions into a message queue. Most likely Supervisor-Scheduler pattern would work great here. Accept verification responses and update the submissions accordingly. If a submission was verified successfully - move that submission to a new table called verified_contracts, which would store:

contract_id: string submission_id: uuid submission_date: Datetime string verification_date: Datetime string arguments: array compiler: string license: string - one of the predefined license codes ACI: string

[lukeromanowicz]

On hold to focus on other priorities

[lukeromanowicz]

the work on this is resumed