...ascript
// SPDX-License-Identifier: MIT
// The line above is recommended and let you define the license of your contract
// Solidity files have to start with this pragma.
// It will be used by the Solidity compiler to validate its version.
pragma solidity ^0.7.0;
// This is the main buildi...
...penSea API。
这是Authenticating users to your web app using metamask and nodejs一文的后续，所有基本的metamask登录代码都在该文章中共享。链接：https://blog.devgenius.io/authenticating-users-to-your-web-app-using-metamask-and-nodejs-e920e45e358
下面是我们想要...
...
if value < 1 {
panic!("Guess value must be between 1 and 100, got {}.", value);
}
Guess {
value
}
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
#[should_panic]
fn greater_than_100() {
Guess:...
...``
---
> 2. What’s the main difference between a transparent proxy and a universal proxy?
题目意思是透明合约和代理合约的主要区别是啥？社区里这篇[文章](https://learnblockchain.cn/article/1933#%E4%BB%A3%E7%90%86%E5%AD%98%E5%82%A8%E5%86%B2%E7%AA%81%E5%92%8C%E9%9D...