Earn a reward (BE)

[EDzidziguri]

Statement of Value

As a Contributor
I want to earn a reward
So that I will be able to sell or collect it

———

Acceptance Criteria

Given:
A campaign is published
and
A campaign is not completed (campaign status is "Finalizing" / "Reverting" / "Success" / "Failed")
and
A campaign contains a reward with the "Active" status

When:
A Contributor invests to a campaign
and
The invested amount is greater than a collectible's minimum funding amount
or
The invested amount equals a collectible's minimum funding amount
and
A Contributor hasn't earned the same collectible before

Then:
Assign a collectible to a Contributor (a collectible (one instance) becomes unavailable for other contributors and will be provided to a Contributor who earned it after a campaign is successfully completed)
and
Collectible's "Q-ty" parameter must be updated:
• if the "Q-ty" is Limited, then subtract earned collectible (one instance) from the current amount

———

Additional Information

High-level process

User flows
User flows that outline the detailed process can be found here.

[vovacha]

Moved: playzero/zero-network#189