27-Interaction-Solution-Game.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;


interface IUser {
    function createUser(address userAddress, string memory username) external;
}

contract Game {
    uint public gameCount;
    IUser public userContract;

    constructor(address _userContractAddress) {
        userContract = IUser(_userContractAddress);
    }

    function startGame(string memory username) external {
        // Create a user in the User contract
        userContract.createUser(msg.sender, username);
        gameCount++;
    }
}