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# [G-26] Sort Solidity operations using short-circuit mode
Summary
[G-26] Sort Solidity operations using short-circuit mode
Short-circuiting is a solidity contract development model that uses OR/AND logic to sequence different cost operations. It puts low gas cost operations in the front and high gas cost operations in the back, so that if the front is low If the cost operation is feasible, you can skip (short-circuit) the subsequent high-cost Ethereum virtual machine operation.
//f(x) is a low gas cost operation
//g(y) is a high gas cost operation
//Sort operations with different gas costs as follows
f(x) || g(y)
f(x) && g(y)
file: /src/Lender.sol
132 if (
p.lender != msg.sender ||
p.minLoanSize == 0 ||
p.maxLoanRatio == 0 ||
p.auctionLength == 0 ||
p.auctionLength > MAX_AUCTION_LENGTH ||
138 p.interestRate > MAX_INTEREST_RATE
https://github.com/Cyfrin/2023-07-beedle/blob/main/src/Lender.sol#L132-L138
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
70628 USDC / LOC
18,000 USDC
2,000 USDC
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