Submission Details
Severity:
Use assembly to check for `address(0)`
Summary
Use assembly to check for address(0)
Vulnerability Details
Saves 6 gas per instance
Instances (2):
File: src/DSCEngine.sol
103: if (s_priceFeeds[token] == address(0)) {
Link to code - https://github.com/Cyfrin/2023-07-foundry-defi-stablecoin/tree/main/src/DSCEngine.sol
File: src/DecentralizedStableCoin.sol
59: if (_to == address(0)) {
Link to code - https://github.com/Cyfrin/2023-07-foundry-defi-stablecoin/tree/main/src/DecentralizedStableCoin.sol
Tools Used
Code Review using VSCode
Recommendations
Use assembly to check for address(0)
Prize pool breakdown
Total prize
15,000 USDC
nSLOC
23664
USDC / LOC
14,000 USDC
1,000 USDC
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