File: contracts/src/PuttyV2.sol   #1

453               // transfer assets from exerciser to putty
454               _transferERC20sIn(order.erc20Assets, msg.sender);
File: contracts/src/PuttyV2.sol   #2

593       function _transferERC20sIn(ERC20Asset[] memory assets, address from) internal {
594           for (uint256 i = 0; i < assets.length; i++) {
595               address token = assets[i].token;
596               uint256 tokenAmount = assets[i].tokenAmount;
597   
598               require(token.code.length > 0, "ERC20: Token is not contract");
599               require(tokenAmount > 0, "ERC20: Amount too small");
600   
601               ERC20(token).safeTransferFrom(from, address(this), tokenAmount);
602           }
603       }
