Contract Source Code:

// File: contracts\openzeppelin\contracts\token\ERC20\IERC20.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
interface IERC20 {
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address to, uint256 value) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 value) external returns (bool);
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}
// File: contracts\openzeppelin\contracts\utils\Context.sol
pragma solidity ^0.8.19;
/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}
// File: contracts\openzeppelin\contracts\access\Ownable.sol
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)
pragma solidity ^0.8.19;
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;
    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);
    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }
    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }
    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }
    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }
    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }
    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }
    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}
// File: contracts/sdaemon0x/games/sdaemon0xGameCenter.sol
pragma solidity ^0.8.19;
interface ISdaemon0x_GameCenter {
    function addGame(address creator, uint256 tokenId, address gameAddr, uint256 amount) external;
    function claimGameFee(address gameAddr) external;
    function removeGame(address gameAddr) external;
    function compute_game_price(uint256 amount) external view returns (uint256, uint256);
    function betGame(uint256 amount) external;
    function payPlayer(address player, uint256 amount) external;
}
interface TreasuryHolding {
    function sync() external;
    function getStakerVolume(address staker) external view returns (uint256);
    function totalStaked() external view returns (uint256);
    function get_nb_stake() external view returns (uint256);
    function get_active(uint256 tokenId) external view returns (bool);
    function get_amount(uint256 tokenId) external view returns (uint256);
}
contract sdaemon0x_GameCenter is ISdaemon0x_GameCenter, Ownable {
    IERC20 public sdeamon = IERC20(0x16a0BfC1C6e331788E0A5096911cDCd9943D2C9c);
    uint256 public gameFeeRate = 1000;
    uint256 public internal_tax = 0;
    TreasuryHolding public stakingContract;
    function initStakingContract(address addr) external onlyOwner {
        stakingContract = TreasuryHolding(addr);
    }
    mapping(address => bool) public MastersOfGames;
    function set_masterOfGames(address master_, bool enable) public onlyOwner {
        MastersOfGames[master_] = enable;
    } 
    modifier onlyMasterOfGames() {
        require(MastersOfGames[msg.sender] == true);
        _;
    }
    struct Game {
        address game;
        address owner;
        uint256 tokenId;
        uint256 amountBanked;
        uint256 lastClaimGame;
    }
    mapping(address => Game) public games;
    Game[] public gamesArray;
    event GameBet(address indexed player, uint256 amount);
    event PlayerWin(address indexed player, uint256 amount);
    constructor() Ownable(0x88524E752144C15dc1a12BA3978c2d700dc97498) {
        MastersOfGames[0x88524E752144C15dc1a12BA3978c2d700dc97498] = true;
    }
    
    // not get in the player price view!
    function setGameFeeRate(uint256 _gameFeeRate) external onlyOwner {
        gameFeeRate = _gameFeeRate;
    }
    
    // get on part of game fee! 0 is prefered but maybe nice to equalize the game fee
    function setInternalTax(uint256 tax) external onlyOwner {
        internal_tax = tax;
    }
    function addGame(address creator_, uint256 tokenId, address gameAddr, uint256 amount) external onlyMasterOfGames {
        require(gameAddr != address(0));
        require(games[gameAddr].game == address(0));
        if (amount > 0) {
            sdeamon.transferFrom(msg.sender, address(this), amount);
        }
        games[gameAddr] = Game(gameAddr, creator_, tokenId, amount, block.timestamp);
        gamesArray.push(games[gameAddr]);
    }
    function claimGameFee(address gameAddr) external {
        require(games[gameAddr].game == gameAddr);
        require((games[gameAddr].lastClaimGame + 1 days) < block.timestamp);
        require(games[gameAddr].owner == msg.sender);
        require(games[gameAddr].amountBanked > 0);
        uint256 tax_claim = (games[gameAddr].amountBanked * gameFeeRate) / 10000;
        sdeamon.transfer(msg.sender, games[gameAddr].amountBanked - tax_claim);
        sdeamon.transfer(address(stakingContract), tax_claim);
        stakingContract.sync();
        games[gameAddr].amountBanked = 0;
        games[gameAddr].lastClaimGame = block.timestamp;
    }
    function removeGame(address gameAddr) external onlyMasterOfGames {
        require(games[gameAddr].game == gameAddr);
        uint256 tax_claim = (games[gameAddr].amountBanked * gameFeeRate) / 10000;
        sdeamon.transfer(msg.sender, games[gameAddr].amountBanked - tax_claim);
        sdeamon.transfer(address(stakingContract), tax_claim);
        stakingContract.sync();
        //reset game
        games[gameAddr].amountBanked = 0;
        games[gameAddr].game = address(0);
        //erase gamesArray
        for (uint256 i = 0; i < gamesArray.length; i++) {
            if (gamesArray[i].game == gameAddr) {
                if (i < gamesArray.length - 1) gamesArray[i] = gamesArray[gamesArray.length - 1];
                gamesArray.pop();
                return;
            }
        }
    }
    modifier onlyGame() {
        require(games[msg.sender].game == msg.sender);
        _;
    }
    function compute_game_price(uint256 amount) public view returns (uint256, uint256) {
        uint256 feeForReward = (amount * gameFeeRate) / 10000;
        return (amount + feeForReward, feeForReward);
    }
    function betGame(uint256 amount) external onlyGame {
        require(amount > 0, "Invalid fee amount");
        (uint256 totalAmoutToPay, uint256 fee) = compute_game_price(amount);
        uint256 feeInternal = (internal_tax > 0) ? (amount * internal_tax) / 10000 : 0;
        uint256 feeHolders = fee + feeInternal;
        sdeamon.transferFrom(msg.sender, address(this), totalAmoutToPay);
        sdeamon.transfer(address(stakingContract), feeHolders);
        stakingContract.sync();
        games[msg.sender].amountBanked += amount;
        emit GameBet(msg.sender, amount);
    }
    function payPlayer(address player, uint256 amount) external onlyGame {
        if (amount > 0) {
            require(amount <= games[msg.sender].amountBanked);
            games[msg.sender].amountBanked -= amount;
            sdeamon.transfer(player, amount);
            emit PlayerWin(player, amount);
        }
    }
}