Summary:
Depends on D20713. Ref T13366. When a payment account establishes a relationship with a merchant by creating a cart or subscription, create an edge to give the merchant access to view the payment account.
Also, migrate all existing subscriptions and carts to write these edges.
This aims at straightening out Phortune permissions, which are currently a bit wonky on a couple of dimensions. See T13366 for detailed discussion.
Test Plan:
- Created and edited carts/subscriptions, saw edges write.
- Ran migrations, saw edges write.
Subscribers: PHID-OPKG-gm6ozazyms6q6i22gyam
Maniphest Tasks: T13366
Differential Revision: https://secure.phabricator.com/D20715
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