File: src/DSCEngine.sol

102 modifier isAllowedToken(address token) {//@audit inline modifier only used once

103 if (s_priceFeeds[token] == address(0)) {

104 revert DSCEngine__NotAllowedToken();

105 }

106 _;

107: }

149 function depositCollateral(address tokenCollateralAddress, uint256 amountCollateral)

150 public

151 moreThanZero(amountCollateral)

152: isAllowedToken(tokenCollateralAddress)

153 nonReentrant

154 {

155 s_collateralDeposited[msg.sender][tokenCollateralAddress] += amountCollateral;

156 emit CollateralDeposited(msg.sender, tokenCollateralAddress, amountCollateral);

157 bool success = IERC20(tokenCollateralAddress).transferFrom(msg.sender, address(this), amountCollateral);

158 if (!success) {

159 revert DSCEngine__TransferFailed();

160 }

161 }

function depositCollateral(address tokenCollateralAddress, uint256 amountCollateral)

public

moreThanZero(amountCollateral)

nonReentrant

{

s_collateralDeposited[msg.sender][tokenCollateralAddress] += amountCollateral;

emit CollateralDeposited(msg.sender, tokenCollateralAddress, amountCollateral);

bool success = IERC20(tokenCollateralAddress).transferFrom(msg.sender, address(this), amountCollateral);

if (!success) {

revert DSCEngine__TransferFailed();

}

}