Buybacks
Governance > IDLE staking > Buybacks
Part of the fees generated by the Idle DAO product suite is used to acquire IDLE from the market and distribute it to stkIDLE holders on a weekly basis, as a reward for their long-term commitment.
FeeDistributor
The actual distribution occurs at the end of the week based on collected fees. As such, a user that creates a new vote-lock should expect to receive their first fee payout at the end of the following epoch week.
The available IDLE to distribute is tracked via the “token checkpoint”, updated, at minimum, every 24 hours.
Fees that are received between the last checkpoint of the previous week and the first checkpoint of the new week will be split evenly between the weeks.
Fee distribution might be limited by high network fees (aka gas fees); in that case, accrued fees will be distributed the week after.
Stakers can claim their fees by calling claim().
Sushiswap Exchanger
Protocol fees are converted from underlying tokens in wETH and then allocated to some protocol beneficiaries from the FeeCollector, such as the Fee Treasury (owned by Idle DAO) and the Rebalancer (for operational expenses).
As part of IIP-10, the Sushiswap exchanger was added as a beneficiary to FeeCollector. This contract exchanges the protocol fees from wETH to IDLE via SushiSwap and deposits the $IDLE to the FeeDistributor.
The SushiSwap exchanger implements a FeeExchanger interface which is located here.
Buybacks history
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