Vyper 🐍

The contract here is a sublinear staking contract: if you are in the whitelist (specified as an ERC1155 collection), then you can stake N coins, and get a return of N ** 0.75 coins per slot, for as long as the contract has coins to pay for it. There is a fundedUntil mechanism that ensures that if the contract runs out of money, every staker gets rewarded for every slot up to the fundedUntil timestamp, and the mechanism doesn't turn into a fractional reserve.

https://github.com/ethereum/research/blob/master/sublinear_staking/code.vy

Bounty of total 2 ETH for identifying any bugs / vulnerabilities in the contract and proposing specific fixes, if multiple issues are found the bounty will be split based on severity.

Amount: 2 ETH

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This is a fascinating approach to staking mechanics! The sublinear model seems like an innovative way to balance rewards with scalability. How do you envision this impacting smaller stakers versus whales in terms of participation incentives? Also, curious about the potential risks around the fundedUntil mechanism—what safeguards are in place to prevent sudden contract exhaustion?