Gas Optimization

[code423n4]

Gas Report

[Gas-01] Caching array length can save gas

Caching the array length is more gas efficient. This is because access to a local variable in solidity is more efficient than query storage / calldata / memory. We recommend to cache the array length as a local variable and use it instead of array.length.

• AuraClaimZap.sol#L143
• AuraClaimZap.sol#L147
• AuraClaimZap.sol#L151
• AuraLocker.sol#L696
• AuraVestedEscrow.sol#L100

[Gas-02] Prefix increments are cheaper than postfix increments

Prefix increments are cheaper than postfix increments. Further more, using unchecked {++x} is even more gas efficient, and the gas saving accumulates every iteration and can make a real change

• AuraClaimZap.sol#L143
• AuraClaimZap.sol#L147
• AuraClaimZap.sol#L151
• AuraLocker.sol#L306
• AuraLocker.sol#L696

[Gas-03] Unnecessary default assignment

Unnecessary default assignments, you can just declare and it will save gas and have the same meaning.

• AuraBalRewardPool.sol#L35
• AuraBalRewardPool.sol#L38
• AuraBalRewardPool.sol#L39
• AuraLocker.sol#L72
• AuraLocker.sol#L114