https://github.com/makerdao/keg

https://github.com/makerdao/keg

Last synced: 3 months ago
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• Host: GitHub
• URL: https://github.com/makerdao/keg
• Owner: makerdao
• License: agpl-3.0
• Created: 2019-12-23T23:50:10.000Z (about 5 years ago)
• Default Branch: master
• Last Pushed: 2021-05-18T15:39:40.000Z (over 3 years ago)
• Last Synced: 2023-04-05T23:40:53.280Z (almost 2 years ago)
• Language: Solidity
• Size: 85 KB
• Stars: 7
• Watchers: 10
• Forks: 6
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# MCD Keg

Streaming payment system for MakerDAO. Payment sources are defined as `Taps` and streamed into the `Keg` for pass-through distribution to the end target(s). Tokens are never at rest inside any of these contracts.

The Keg has pre-defined `Flights` which map human-level strings to distribution targets allocated by percentage.

`seat()` creates a new `flight` distribution.

`revoke()` deletes a distribution.

## Tap Sources

### Tap

The `Tap` is the most common type of payment source. It is fixed rate that `pump()` can be called on it anytime to send any outstanding funds along. The funds are pulled from the surplus buffer (`vow`) via `vat.suck()`. Be aware that `rate` is unbounded and could potentially result in system flop auctions.

### FlapTap

The `FlapTap` is a singleton Tap which forwards a fixed percentage that would otherwise be headed for flap auctions (MKR burner). This can be used to allocate a % of profit to be redirected towards other contracts.