Decentralized Storage(IPFS)

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract ContentPlatform {
    // Token untuk membayar pembuat konten
    mapping(address => uint256) public balances;
    
    struct Content {
        address creator;
        string ipfsHash; // hash dari konten di IPFS
        uint256 reward;
    }
    
    Content[] public contents;
    
    event ContentCreated(address indexed creator, string ipfsHash, uint256 reward);
    
    function createContent(string memory ipfsHash) public {
        uint256 reward = 100; // imbalan tetap untuk setiap konten yang diunggah
        contents.push(Content(msg.sender, ipfsHash, reward));
        balances[msg.sender] += reward;
        
        emit ContentCreated(msg.sender, ipfsHash, reward);
    }
    
    function withdrawReward() public {
        uint256 amount = balances[msg.sender];
        require(amount > 0, "No reward to withdraw");
        
        balances[msg.sender] = 0;
        payable(msg.sender).transfer(amount);
    }
    
    // Fungsi fallback untuk menerima dana
    receive() external payable {}
}