我的solidity代码如下:
function withdrawInfo(uint amount, address addr) public returns(bool){ require(amount > 0, "Insufficient balance"); bool isSuccess...
我在token合约里面已经调用了increaseAllowance方法。 但是还是报如下错误:
increaseAllowance
提示:transfer amount exceeds balance
transfer amount exceeds balance
因为你的合约没有 token