如何使用 Remix 使 ERC20 智能合约要求以太币作为交易费用

Question

please am a newbie in solidity I have been trying to make the transfer not to work if the wallet holding the token does not transfer ether to an address i will specify in my code thanks in advance.

Answer 1

1. Smart contract cannot ask users to get tokens or eth, you should program your DApp or Front End for asking transaction fee.
2. you can set something like require(msg.value==transactionFee) followed by payable(AddressToCollectFees).transfer(msg.value) in the function of smart contract