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DeFi Staking Reward Distribution — The MasterChef Pattern and Scalable Alternatives
The MasterChef pattern scales elegantly in terms of correctness: the accRewardPerShare calculation handles any number of users correctly without iteration. The gas scaling challenge: deposit() and withdraw() each require calling updatePool() which reads and writes to storage. At 10,000 simultaneous users claiming rewar...
contract MerkleRewardDistributor { bytes32 public merkleRoot; // Updated weekly with new reward epoch mapping(uint256 => mapping(address => bool)) public hasClaimed; uint256 public currentEpoch; // Update root weekly with off-chain computed rewards function updateEpoch(bytes32 newRoot, uint256 epoch) external onlyOwner...
Vote-escrowed tokens (ve-model) lock user tokens for defined periods and distribute protocol fees proportionally to lock weight: User A: 100 tokens locked for 1 year = 100 veTokens (1× multiplier) User B: 100 tokens locked for 4 years = 400 veTokens (4× multiplier) Weekly fee distribution: Total veTokens = 500 User A r...
Common integrations: The Graph, Alchemy/Infura, OpenZeppelin Defender, and popular wallet providers.
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Implement core contracts, integrations, product flows, tests, and deployment automation.
Run QA, prepare audit handoff, deploy infrastructure, and support production rollout.
MasterChef claim: ~60,000–80,000 gas per user (storage reads/writes per claim). Merkle claim: ~30,000–50,000 gas per user (just Merkle proof verification, no loop over pools). For large user bases: Merkle distribution is 30–40% more gas-efficient per claim.
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