Tasks workflow forms

[igorline]

Proper workflow to work with staked tasks:

1. Manager creates and assign task for the user with specified address https://github.com/decentfund/kyodo/issues/72 We batch 4 wallet operations here:

   • create task (T),
   • move funds to respecting task within colony (T),
   • set payouts for the task (T),
   • sign user assignment operation on the manager side (S)

2. User should accept task

We batch 3 wallet operations here:

• sign user assignment on assignee side (S),
• send transaction to accept assignment (T),
• submit deliverable and rating for manager (T)

3. Manager should set rating for assignee task accomplishment We batch 2 wallet operations here:

   • submit task work rating for assignee (T),
   • reveal user rating (T)

4. User should claim payout to receive tokens We batch 3 wallet operations here:

   • reveal manager rating (T),
   • finalize task (T),
   • claim payout (T)

(T) and (S) are operations requiring sending of transaction and signing of the operation respectively

Related UI task for batching transactions: #278

[igorline]

@romochka, keep in mind, that every transaction can fail, be rejected by user, tab can be closed, etc... So user should be able be continue the process from any point.