morinousagi

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

contract SimpleStorage {

    string public message;

    function setMessage(string memory _message) public {
        message = _message;
    }

morinousagi

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

contract OneClickVote {

    bool public vote;        // true = YES, false = NO
    address public voter;    // who voted
    bool public hasVoted;

    function voteYes() public {

morinousagi

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

contract MessageBoard {

    string public lastMessage;
    address public lastSender;
    uint public totalMessages;

    function postMessage(string memory _message) public {