机械臂轨迹规划代码RRT
时间: 2023-05-11 20:07:19 浏览: 73
好的,以下是一个简单的版权保护的以太坊智能合约的代码:
```
pragma solidity ^0.5.0;
contract Copyright {
address owner;
mapping (string => address) public registeredWorks;
constructor() public {
owner = msg.sender;
}
function registerWork(string memory workHash) public {
require(msg.sender == owner, "Only the owner can register a work.");
require(registeredWorks[workHash] == address(0), "This work has already been registered.");
registeredWorks[workHash] = msg.sender;
}
function isWorkRegistered(string memory workHash) public view returns (bool) {
return registeredWorks[workHash] != address(0);
}
}
```
这个智能合约允许版权所有者在以太坊上注册他们的作品,以确保他们的版权得到保护。只有合约的所有者才能注册作品,每个作品只能被注册一次。可以使用 isWorkRegistered 函数来检查某个作品是否已经被注册。