令牌分发ICO的安全审计

作者: 坚挺的阿袁
发布时间: 2024-05-26 04:14:08 (1月前)
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大魔王 | 2019-08-31 10-32

<div class =“post-text”itemprop =“text”> <P> 的<strong> “我们如何改变费率取决于msg.value（如果> 20 ETH另一个价格）？” </强> </p> <pre> <code> uint public constant regularPrice = 100; uint public constant moreThan20EthContributionPrice = 75; function () payable { //fallback function that is called when ETH is sent to contract ... some code ... uint price = calculatePrice(); ... some code ... } function calculatePrice() internal constant returns (uint) { if (msg.value > 20 ether) return moreThan20EthContributionPrice; return regularPrice; } </code> </pre> </DIV>

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