導言

待補充....

程式碼

function deposit() public{
    uint256 userBalance =  token[address(0)][msg.sender];
    userBalance.add(msg.value);
    Deposit(address(0),msg.sender,msg.value,userBalance);
}
function depositToken(address _tokenAddr, uint256 _amount) public{
    uint256 userBalance =  token[_tokenAddr][msg.sender];
    userBalance.add(_amount);
    Deposit(_tokenAddr,msg.sender,msg.value,userBalance);
}
function withdraw() public{
    //待補...
}
function trade() public{
    //待補...
}