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Impact Hours

The Impact Hours app complements the Hatch app. When the Hatch is closed, the Impact Hours app mints tokens for IH contributors at a rate dependant of how much funds the Hatch has raised.

The code in this repo has not been audited.

How does it work?

The more funds that are raised, the higher the hourly wage for impact hours becomes. Additionally, the more funds that are raised, the lower the portion of tokens that go to pay for Impact Hours. These two properties mean working hatchers are incentivised to raise more funds, and funding hatchers are incentivised to invest more funds.

Initialization

The Impact Hours is initialized with MiniMeToken _token, address _hatch, uint256 _maxRate_, and uint256 _expectedRaise parameters.

  • The MiniMeToken _token is the address of the Impact Hours token.
  • The address _hatch parameter is the address of the Hatch that Impact Hours are for.
  • The uint256 _maxRate and uint256 _expectedRaise are used to determine how much tokens will be minted per IH based on the total raised amount. We expect both of them are formatted as hatch's contributionToken (probably using 18 decimals).

We determine the rate of each impact hour with the following formula where the independent variable (x) is the total funds raised:

f(x)=R*x/(x+E)

The formula has two parameters:

  • R : Impact Hour Rate at Infinity. It’s an asymptotic limit never reached, no matter how much funds are raised.
  • E : Expected raise, in which the rate is half the max rate. A low number makes a more curved function, whereas a high number flattens the curve.

You can also calculate E from a point specified as target rate (r) and a target goal (G) using the following equation:

E=(R/r-1)*G

Roles

The Impact Hours app does not implement any role.

The Impact Hours app should have the following roles:

  • MINT_ROLE: It should be able to mint tokens in the Hatch's Token Manager.

Interface

The Impact Hours app does not have an interface. It is meant as a back-end contract to be used with other Aragon applications.

Deploying to an Aragon DAO

TBD

Contributing

We welcome community contributions!

Please check out our open Issues to get started.

If you discover something that could potentially impact security, please notify us immediately. The quickest way to reach us is via the #dev channel in our Discord chat. Just say hi and that you discovered a potential security vulnerability and we'll DM you to discuss details.