ETH Price: $2,976.14 (+0.18%)
Gas: 7 Gwei

Contract

0x51D7e3713Dc5eB06974A93C1F755724fece53540
 

Overview

ETH Balance

0.005 ETH

Eth Value

$14.88 (@ $2,976.14/ETH)

Token Holdings

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Unstake191059622024-01-28 15:36:11162 days ago1706456171IN
0x51D7e371...fece53540
0 ETH0.0017694314.19581008
Unstake190986562024-01-27 14:57:11163 days ago1706367431IN
0x51D7e371...fece53540
0 ETH0.001549914.49183314
Claim Reward Sta...190986552024-01-27 14:56:59163 days ago1706367419IN
0x51D7e371...fece53540
0 ETH0.0005803614.80707914
Permit189630102024-01-08 14:53:59182 days ago1704725639IN
0x51D7e371...fece53540
0 ETH0.0012182222.40665395
Claim Reward Sta...186942732023-12-01 21:34:11219 days ago1701466451IN
0x51D7e371...fece53540
0 ETH0.0016040840.92585775
Claim Reward Sta...185445532023-11-10 22:33:35240 days ago1699655615IN
0x51D7e371...fece53540
0 ETH0.001370234.95867789
Claim Reward Sta...184774822023-11-01 13:14:35250 days ago1698844475IN
0x51D7e371...fece53540
0 ETH0.0010899227.80768016
Claim Reward183977202023-10-21 9:13:47261 days ago1697879627IN
0x51D7e371...fece53540
0 ETH0.000670766.11776774
Unstake182875002023-10-05 23:10:59276 days ago1696547459IN
0x51D7e371...fece53540
0 ETH0.000538356.03230822
Claim Reward Sta...182874892023-10-05 23:08:47276 days ago1696547327IN
0x51D7e371...fece53540
0 ETH0.000233755.96384237
Claim Reward Sta...181753752023-09-20 6:40:11292 days ago1695192011IN
0x51D7e371...fece53540
0 ETH0.000323898.26360631
Claim Reward Sta...181644602023-09-18 17:58:47293 days ago1695059927IN
0x51D7e371...fece53540
0 ETH0.0010841327.65997929
Claim Reward Sta...180762942023-09-06 8:43:11306 days ago1693989791IN
0x51D7e371...fece53540
0 ETH0.0004599611.73524665
Unstake180331532023-08-31 7:46:47312 days ago1693468007IN
0x51D7e371...fece53540
0 ETH0.0012598814.11873557
Permit179452802023-08-19 0:34:47324 days ago1692405287IN
0x51D7e371...fece53540
0 ETH0.0007717414.19463265
Approve179408202023-08-18 9:36:23325 days ago1692351383IN
0x51D7e371...fece53540
0 ETH0.0004609619.03930764
Unstake175953872023-06-30 23:35:23373 days ago1688168123IN
0x51D7e371...fece53540
0 ETH0.0014201315.91271713
Claim Reward Sta...175495572023-06-24 13:04:11380 days ago1687611851IN
0x51D7e371...fece53540
0 ETH0.0004509111.50435924
Claim Reward Sta...174726842023-06-13 17:54:23390 days ago1686678863IN
0x51D7e371...fece53540
0 ETH0.0007447819.00216255
Claim Reward Sta...174444402023-06-09 18:27:35394 days ago1686335255IN
0x51D7e371...fece53540
0 ETH0.0006972817.79018732
Claim Reward Sta...173898012023-06-02 1:28:11402 days ago1685669291IN
0x51D7e371...fece53540
0 ETH0.0009042123.06976992
Claim Reward Sta...173545622023-05-28 2:30:59407 days ago1685241059IN
0x51D7e371...fece53540
0 ETH0.0008529121.76077947
Claim Reward173012662023-05-20 14:35:35415 days ago1684593335IN
0x51D7e371...fece53540
0 ETH0.0096171434.66460668
Claim Reward173012562023-05-20 14:33:35415 days ago1684593215IN
0x51D7e371...fece53540
0 ETH0.0022094233.73113746
Permit172669282023-05-15 18:22:47419 days ago1684174967IN
0x51D7e371...fece53540
0 ETH0.0035349965.03295737
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Contract Source Code Verified (Exact Match)

Contract Name:
BaoToken

Compiler Version
v0.8.12+commit.f00d7308

Optimization Enabled:
Yes with 10000 runs

Other Settings:
default evmVersion
File 1 of 12 : BaoToken.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

//                                       -\**:. `"^`
//                                     ;HNXav*,^;}?|:,.`
//                                    tbKX&]:,:7I}=\:-_._,`
//                                  :OKgTv)*7}ri=*;::,^``:;:^
//                               :&S@OTnccvtl])*\;:--~.`_;;-,^.`
//                            :cdXDOhT&Yuctl1=*;::,^..,;+*;:--,"~^.
//                         ;LX8dXSDOhasocv}1>+|;:---:;|||;:--,"_^^^..`
//                      :3@bd8dXSDPTasocvtl]>+|;::::;;;:::--,_~^^^..'````
//                   `laP@d88d@DhT0Yo3cjt}i]=+*\;;:::::::---,_^^^..'``    ``
//                 `)3&hSd8dbDhT&YoccvIt}l17=)*|;;:::::::--,"_^^^..'```     ``
//                ;=rnOb88d@OT&nucvjItr}i17==+**\;;;:::::--,"~^^^..''``        `
//              ^^:lnOXg8XDhaYucvjttr}lir3Luv=**|;;;;;:::--,_~^^....'-XMMh='     `
//             ``~>YOdKKd@haYucvttrrINMMMMMMMMMMj\;;;;::::-,"~^^....-MMMHDr=:`
//              ,7YDgmK8@haYucItr}}MMMMMMMMmt|1MMM=;;;;::::-,_^^....MMQ8OT-`';`
//          ` `-}&Smqm8SPTsucjr}}lMMMMMMMMMDl|]MMMM|;;;;:::--"^^..''MMmSOhV7)1:`
//        '"^,+vhdHNNEbOT&ocjtllitMMMMMMMMMMMMMMMMM1||\;;;::-"^..''`TMNKSDhaLt\-
//        =)=}nOmNQBHgDhaYuvIrli?jMMMMMMMMMMMMMMMMM1|||;;;::-~.'''``.dMBq8Oaor*|
//       cLY0OgNQQQWHdDh0Yuvt}i?11MMMMMMMMMMMMMMMMM**|;;;:::-_..''```.c#WHSaul7+        `
//      =OS8mNQMMMMQH8DhasucIrli111MMMMMMMMMMMMMMM+*|;;;::::-,^..''````.1VEHda7`        ``
//      @mHWQMMMMMMQNEbDkan3vtli1]>=?SMMMMMMMMMh)**|\;;::::--,~^..-'```````,,``````     ``
//      NQMMMMMMMMMMQNKbOh0Luv}i7==))))))))+*****||\;;;1MMMXkncuOKo.'''````````````````````
//      QMMMMMMMMMMMMQNmdDh&n3I}17==)))))))+****|\;;;;:::::*71=;,~^^...''''````````````````
//      QMMMMMMMMMMMMMQBHEbOTVocjtli?11]>>==)+**||;;;;::::::----,,_~^^^.........''''''````
//      jMMMMMMMMMMMMMMMQ#q8@hTVLuccvjt}}l?1]>=)***|\;;;::::::-----,,,"__~^^^^^......''```
//       qMMMMMMMMMMMMMMMMWNmXDha&noouccjtr}li17==)+**|\;;;::::::::-----,,,"_~^^^....'``'
//        MMMMMMMMMMMMMMMMMQBHgbOhT0Vnoo3cvIt}li117>=)***|\;;;;::::::::----,,,_~^^^..'''
//         QMMMMMMMMMMMMMMMMQWNq8bOhTa&snoucvjt}ll?1]>=))**||\;;;;;:::::::----,"_^^^..'
//          -MMMMMMMMMMMMMMMMMQWNq8bDOhka0sLo3cvjIr}li?1]7>==)+***|\;;;;:::::----,,~^
//            ;NMMMMMMMMMMMMMMMMQQNqEgdSDOhka0Ynou3ccvjItr}lli117>=))***||;;;:::::-
//               ]MMMMMMMMMMMMMMMMQQWBNHmKdb@OhkTa&sYLooucccvjItr}}li?17==)+*||:'
//                 .1qMMMMMMMMMMMMMMMQQBNHqEKdSDOPkaa&snoou3cccvvjItr}li1]>;,`
//                      :IOMMMMMMMMMMMMQQBNHm8XSOPka0Vnou3cvjtr}llli?>:"`
//                            _|jnbQMMMMMMMMQBNqK8XSDPTasLucvI|~.`
//                                   oMMMMMMMMMMMMQqSTocri7)*|:.
//                                 IMMMMMMMMMMNdksc}1)\::-,~^..'`
//                                lTMMMQMMMQqD0oj}1=*;:-_^.'```````
//                              -cOQMN8KMMM#gO&uj}1=*;:-^.''`````````
//                             :hHQ#gDSQMMMMHSTs3v}])|:-~^.'````` '.``
//                            1KMQEOaLXMMMMMQEDTn3Ii7+;:-_^.''````'^.'`
//                           -WMMghYuYHMMMMMM#dO0Lcr?=|;:-_^..'```.^^.'
//                           gMMKhscckWMMMMMMQm@Ts3Il7*\::-_^..'``^",~.'
//                          ?MMNPscvobMMMMMMMMN8Paov}1)*;:-,_^..``,---~.`
//                         .MMWS&utvV8MMMMMMMMWEDTs3jl>*\;:--"^.`.:\;:-_`
//                         lMMNOLjrcTgMMMMMMMMMNXOTYujl>*\:::-,^.`;ll=-`
//                         'MMNDYccclQMMMMMMMMMWq8@PTsct1)|;;;:"
//                            -;\-`  QMMMMMMMQ#HEEgdSOaLv}i]+:,^
//                                   ]MMMMMHdhs3t`  ^P8gbhu];-.
//                                    MMMMW8kci>)    hgKDV}|:^'
//                                    @MMMHho1*;:    hNHDYl\:^
//                                     dMMmav=;:      |t3v7:.
//                                       '~^'
//
//                                         author: phaze

import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/interfaces/IERC721.sol";

import "./BaoStaking.sol";

contract BaoToken is AccessControl, BaoStaking {
    bytes32 public constant MINT_AUTHORITY = keccak256("MINT_AUTHORITY");
    bytes32 public constant BURN_AUTHORITY = keccak256("BURN_AUTHORITY");

    address public treasuryAddress = address(0x69D8004d527d72eFe1a4d5eECFf4A7f38f5b2B69);

    constructor() ERC20("Bao Token", "BAO", 18) {
        _setupRole(DEFAULT_ADMIN_ROLE, treasuryAddress);
        _mint(treasuryAddress, 10_000_000 * 1e18);
    }

    /* ------------- Restricted ------------- */

    function mint(address user, uint256 amount) external payable onlyRole(MINT_AUTHORITY) {
        _mint(user, amount);
    }

    /* ------------- ERC20Burnable ------------- */

    function burn(uint256 amount) external payable {
        _burn(msg.sender, amount);
    }

    function burnFrom(address user, uint256 amount) external payable {
        if (!hasRole(BURN_AUTHORITY, msg.sender)) {
            uint256 allowed = allowance[user][msg.sender];
            if (allowed != type(uint256).max) allowance[user][msg.sender] = allowed - amount;
        }
        _burn(user, amount);
    }

    /* ------------- MultiCall ------------- */

    function multiCall(bytes[] calldata data) external {
        unchecked {
            for (uint256 i; i < data.length; ++i) address(this).delegatecall(data[i]);
        }
    }

    /* ------------- Owner ------------- */

    function withdraw() external onlyOwner {
        uint256 balance = address(this).balance;
        payable(msg.sender).transfer(balance);
    }

    function recoverToken(ERC20 token) external onlyOwner {
        uint256 balance = token.balanceOf(address(this));
        token.transfer(msg.sender, balance);
    }

    function recoverNFT(IERC721 token, uint256 id) external onlyOwner {
        token.transferFrom(address(this), msg.sender, id);
    }
}

File 2 of 12 : AccessControl.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (access/AccessControl.sol)

pragma solidity ^0.8.0;

import "./IAccessControl.sol";
import "../utils/Context.sol";
import "../utils/Strings.sol";
import "../utils/introspection/ERC165.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role);
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `_msgSender()` is missing `role`.
     * Overriding this function changes the behavior of the {onlyRole} modifier.
     *
     * Format of the revert message is described in {_checkRole}.
     *
     * _Available since v4.6._
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(uint160(account), 20),
                        " is missing role ",
                        Strings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

File 3 of 12 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC721.sol)

pragma solidity ^0.8.0;

import "../token/ERC721/IERC721.sol";

File 4 of 12 : BaoStaking.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

//                                       -\**:. `"^`
//                                     ;HNXav*,^;}?|:,.`
//                                    tbKX&]:,:7I}=\:-_._,`
//                                  :OKgTv)*7}ri=*;::,^``:;:^
//                               :&S@OTnccvtl])*\;:--~.`_;;-,^.`
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//                         ;LX8dXSDOhasocv}1>+|;:---:;|||;:--,"_^^^..`
//                      :3@bd8dXSDPTasocvtl]>+|;::::;;;:::--,_~^^^..'````
//                   `laP@d88d@DhT0Yo3cjt}i]=+*\;;:::::::---,_^^^..'``    ``
//                 `)3&hSd8dbDhT&YoccvIt}l17=)*|;;:::::::--,"_^^^..'```     ``
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//             ``~>YOdKKd@haYucvttrrINMMMMMMMMMMj\;;;;::::-,"~^^....-MMMHDr=:`
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//      =OS8mNQMMMMQH8DhasucIrli111MMMMMMMMMMMMMMM+*|;;;::::-,^..''````.1VEHda7`        ``
//      @mHWQMMMMMMQNEbDkan3vtli1]>=?SMMMMMMMMMh)**|\;;::::--,~^..-'```````,,``````     ``
//      NQMMMMMMMMMMQNKbOh0Luv}i7==))))))))+*****||\;;;1MMMXkncuOKo.'''````````````````````
//      QMMMMMMMMMMMMQNmdDh&n3I}17==)))))))+****|\;;;;:::::*71=;,~^^...''''````````````````
//      QMMMMMMMMMMMMMQBHEbOTVocjtli?11]>>==)+**||;;;;::::::----,,_~^^^.........''''''````
//      jMMMMMMMMMMMMMMMQ#q8@hTVLuccvjt}}l?1]>=)***|\;;;::::::-----,,,"__~^^^^^......''```
//       qMMMMMMMMMMMMMMMMWNmXDha&noouccjtr}li17==)+**|\;;;::::::::-----,,,"_~^^^....'``'
//        MMMMMMMMMMMMMMMMMQBHgbOhT0Vnoo3cvIt}li117>=)***|\;;;;::::::::----,,,_~^^^..'''
//         QMMMMMMMMMMMMMMMMQWNq8bOhTa&snoucvjt}ll?1]>=))**||\;;;;;:::::::----,"_^^^..'
//          -MMMMMMMMMMMMMMMMMQWNq8bDOhka0sLo3cvjIr}li?1]7>==)+***|\;;;;:::::----,,~^
//            ;NMMMMMMMMMMMMMMMMQQNqEgdSDOhka0Ynou3ccvjItr}lli117>=))***||;;;:::::-
//               ]MMMMMMMMMMMMMMMMQQWBNHmKdb@OhkTa&sYLooucccvjItr}}li?17==)+*||:'
//                 .1qMMMMMMMMMMMMMMMQQBNHqEKdSDOPkaa&snoou3cccvvjItr}li1]>;,`
//                      :IOMMMMMMMMMMMMQQBNHm8XSOPka0Vnou3cvjtr}llli?>:"`
//                            _|jnbQMMMMMMMMQBNqK8XSDPTasLucvI|~.`
//                                   oMMMMMMMMMMMMQqSTocri7)*|:.
//                                 IMMMMMMMMMMNdksc}1)\::-,~^..'`
//                                lTMMMQMMMQqD0oj}1=*;:-_^.'```````
//                              -cOQMN8KMMM#gO&uj}1=*;:-^.''`````````
//                             :hHQ#gDSQMMMMHSTs3v}])|:-~^.'````` '.``
//                            1KMQEOaLXMMMMMQEDTn3Ii7+;:-_^.''````'^.'`
//                           -WMMghYuYHMMMMMM#dO0Lcr?=|;:-_^..'```.^^.'
//                           gMMKhscckWMMMMMMQm@Ts3Il7*\::-_^..'``^",~.'
//                          ?MMNPscvobMMMMMMMMN8Paov}1)*;:-,_^..``,---~.`
//                         .MMWS&utvV8MMMMMMMMWEDTs3jl>*\;:--"^.`.:\;:-_`
//                         lMMNOLjrcTgMMMMMMMMMNXOTYujl>*\:::-,^.`;ll=-`
//                         'MMNDYccclQMMMMMMMMMWq8@PTsct1)|;;;:"
//                            -;\-`  QMMMMMMMQ#HEEgdSOaLv}i]+:,^
//                                   ]MMMMMHdhs3t`  ^P8gbhu];-.
//                                    MMMMW8kci>)    hgKDV}|:^'
//                                    @MMMHho1*;:    hNHDYl\:^
//                                     dMMmav=;:      |t3v7:.
//                                       '~^'
//
//                                         author: phaze

import {IERC721 as IBaoSociety} from "@openzeppelin/contracts/interfaces/IERC721.sol";
import "../lib/solmate/src/tokens/ERC20.sol";

import "./Ownable.sol";

error IncorrectOwner();

abstract contract BaoStaking is Ownable, ERC20 {
    struct TokenData {
        address owner;
        uint40 lastClaimed;
        uint40 rarity;
    }

    struct StakeData {
        uint40 rarityBonus;
        uint40 numStaked;
        uint40 lastClaimed;
    }

    uint256 constant DAILY_BASE_REWARD = 100;
    uint256 constant DAILY_STAKED_REWARD = 150;

    uint256 public immutable REWARD_EMISSION_START = 1652662800;
    uint256 public immutable REWARD_EMISSION_END = 1652662800 + 5 * 365 days;

    mapping(uint256 => TokenData) public tokenData;
    mapping(address => StakeData) public stakeData;

    IBaoSociety public constant baoSociety = IBaoSociety(0xba033D82c64DD514B184e2d1405cD395dfE6e706);

    /* ------------- External ------------- */

    function stake(uint256[] calldata tokenIds) external payable {
        unchecked {
            claimRewardStaked();

            TokenData storage tData;
            StakeData storage sData = stakeData[msg.sender];

            uint256 tokenId;

            uint256 reward;
            uint256 rarityBonus = sData.rarityBonus;

            for (uint256 i; i < tokenIds.length; ++i) {
                tokenId = tokenIds[i];

                baoSociety.transferFrom(msg.sender, address(this), tokenId);

                tData = tokenData[tokenId];
                tData.owner = msg.sender;

                // accrue non-staked rewards
                reward += _calculateRewardSingle(tData, tokenId);
                rarityBonus += getRarityBonus(tData);
            }

            sData.numStaked += uint40(tokenIds.length);
            sData.rarityBonus = uint40(rarityBonus);

            _mint(msg.sender, reward);
        }
    }

    function unstake(uint256[] calldata tokenIds) external payable {
        unchecked {
            claimRewardStaked();

            TokenData storage tData;
            StakeData storage sData = stakeData[msg.sender];

            uint256 tokenId;
            uint256 rarityBonus = sData.rarityBonus;

            for (uint256 i; i < tokenIds.length; ++i) {
                tokenId = tokenIds[i];
                tData = tokenData[tokenId];

                if (tData.owner != msg.sender) revert IncorrectOwner();

                baoSociety.transferFrom(address(this), msg.sender, tokenId);

                rarityBonus -= getRarityBonus(tData); // underflow not possible if rarity stays constant
                tData.lastClaimed = uint40(block.timestamp);
            }

            sData.numStaked -= uint40(tokenIds.length);
            sData.rarityBonus = uint40(rarityBonus);
        }
    }

    function claimRewardStaked() public payable {
        uint256 reward = pendingRewardStaked(msg.sender);

        _mint(msg.sender, reward);

        stakeData[msg.sender].lastClaimed = uint40(block.timestamp);
    }

    function claimReward(uint256[] calldata tokenIds) external payable {
        unchecked {
            TokenData storage tData;

            uint256 reward;
            uint256 tokenId;

            for (uint256 i; i < tokenIds.length; ++i) {
                tokenId = tokenIds[i];
                tData = tokenData[tokenId];

                if (baoSociety.ownerOf(tokenId) != msg.sender) revert IncorrectOwner();

                reward += _calculateRewardSingle(tData, tokenId);
                tData.lastClaimed = uint40(block.timestamp);
            }

            _mint(msg.sender, reward);
        }
    }

    /* ------------- View ------------- */

    function pendingRewardStaked(address user) public view returns (uint256) {
        unchecked {
            uint256 timestamp = block.timestamp;
            if (timestamp > REWARD_EMISSION_END) timestamp = REWARD_EMISSION_END;

            uint256 staked = stakeData[user].numStaked;
            if (staked == 0) return 0;

            uint256 lastClaimed = stakeData[user].lastClaimed;

            if (lastClaimed > timestamp) return 0;
            if (lastClaimed == 0) lastClaimed = REWARD_EMISSION_START;

            return
                ((timestamp - lastClaimed) * (staked * DAILY_STAKED_REWARD + stakeData[user].rarityBonus) * 1e18) /
                1 days;
        }
    }

    function dailyRewardStaked(address user) external view returns (uint256) {
        unchecked {
            return ((uint256(stakeData[user].numStaked) * DAILY_STAKED_REWARD + stakeData[user].rarityBonus) * 1e18);
        }
    }

    function pendingReward(uint256[] calldata tokenIds) external view returns (uint256) {
        unchecked {
            TokenData storage tData;

            uint256 reward;
            uint256 tokenId;

            for (uint256 i; i < tokenIds.length; ++i) {
                tokenId = tokenIds[i];
                tData = tokenData[tokenId];

                reward += _calculateRewardSingle(tData, tokenId);
            }

            return reward;
        }
    }

    function dailyReward(uint256[] calldata tokenIds) external view returns (uint256) {
        unchecked {
            uint256 reward;

            for (uint256 i; i < tokenIds.length; ++i)
                reward += (DAILY_BASE_REWARD + getRarityBonus(tokenData[tokenIds[i]])) * 1e18;

            return reward;
        }
    }

    function getRarityBonus(uint256 tokenId) external view returns (uint256) {
        return getRarityBonus(tokenData[tokenId]);
    }

    function numStaked(address user) external view returns (uint256) {
        return stakeData[user].numStaked;
    }

    function numOwned(address user) external view returns (uint256) {
        return baoSociety.balanceOf(user) + stakeData[user].numStaked;
    }

    function totalNumStaked() external view returns (uint256) {
        return baoSociety.balanceOf(address(this));
    }

    /* ------------- Private ------------- */

    function getRarityBonus(TokenData storage tData) private view returns (uint256) {
        uint256 rarity = tData.rarity;
        return rarity == 0 ? 5 : rarity;
    }

    function _calculateRewardSingle(TokenData storage tData, uint256 tokenId) private view returns (uint256) {
        uint256 rewardBonus;
        uint256 lastClaimed = tData.lastClaimed;

        if (lastClaimed > REWARD_EMISSION_END) return 0;
        if (lastClaimed == 0) {
            lastClaimed = REWARD_EMISSION_START;
            if (tokenId % 5 == 0) rewardBonus = 1500 * 1e18;
        }

        uint256 timestamp = block.timestamp;
        if (timestamp > REWARD_EMISSION_END) timestamp = REWARD_EMISSION_END;

        return rewardBonus + ((timestamp - lastClaimed) * (DAILY_BASE_REWARD + getRarityBonus(tData)) * 1e18) / 1 days;
    }

    /* ------------- Owner ------------- */

    // @note should only be called once before any interaction happens
    // bad things (underflow) can happen if this is changed while someone is staking
    function setRarities(uint256[] calldata ids, uint256[] calldata rarities) external onlyOwner {
        unchecked {
            for (uint256 i; i < ids.length; ++i) tokenData[ids[i]].rarity = uint40(rarities[i]);
        }
    }

    /* ------------- O(n) Read-Only ------------- */

    function stakedTokenIdsOf(address user) external view returns (uint256[] memory) {
        uint256 staked = stakeData[user].numStaked;
        uint256[] memory stakedIds = new uint256[](staked);
        if (staked == 0) return stakedIds;

        uint256 count;
        for (uint256 i = 1; i < 3888 + 1; ++i) {
            if (tokenData[i].owner == user) {
                stakedIds[count++] = i;
                if (staked == count) return stakedIds;
            }
        }

        return stakedIds;
    }
}

File 5 of 12 : IAccessControl.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

File 6 of 12 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @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;
    }
}

File 7 of 12 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

File 8 of 12 : ERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

File 9 of 12 : IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

File 10 of 12 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

File 11 of 12 : ERC20.sol
// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/tokens/ERC20.sol)
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
abstract contract ERC20 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event Transfer(address indexed from, address indexed to, uint256 amount);

    event Approval(address indexed owner, address indexed spender, uint256 amount);

    /*//////////////////////////////////////////////////////////////
                            METADATA STORAGE
    //////////////////////////////////////////////////////////////*/

    string public name;

    string public symbol;

    uint8 public immutable decimals;

    /*//////////////////////////////////////////////////////////////
                              ERC20 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 public totalSupply;

    mapping(address => uint256) public balanceOf;

    mapping(address => mapping(address => uint256)) public allowance;

    /*//////////////////////////////////////////////////////////////
                            EIP-2612 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 internal immutable INITIAL_CHAIN_ID;

    bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;

    mapping(address => uint256) public nonces;

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;

        INITIAL_CHAIN_ID = block.chainid;
        INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
    }

    /*//////////////////////////////////////////////////////////////
                               ERC20 LOGIC
    //////////////////////////////////////////////////////////////*/

    function approve(address spender, uint256 amount) public virtual returns (bool) {
        allowance[msg.sender][spender] = amount;

        emit Approval(msg.sender, spender, amount);

        return true;
    }

    function transfer(address to, uint256 amount) public virtual returns (bool) {
        balanceOf[msg.sender] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(msg.sender, to, amount);

        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.

        if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;

        balanceOf[from] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(from, to, amount);

        return true;
    }

    /*//////////////////////////////////////////////////////////////
                             EIP-2612 LOGIC
    //////////////////////////////////////////////////////////////*/

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual {
        require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");

        // Unchecked because the only math done is incrementing
        // the owner's nonce which cannot realistically overflow.
        unchecked {
            address recoveredAddress = ecrecover(
                keccak256(
                    abi.encodePacked(
                        "\x19\x01",
                        DOMAIN_SEPARATOR(),
                        keccak256(
                            abi.encode(
                                keccak256(
                                    "Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
                                ),
                                owner,
                                spender,
                                value,
                                nonces[owner]++,
                                deadline
                            )
                        )
                    )
                ),
                v,
                r,
                s
            );

            require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER");

            allowance[recoveredAddress][spender] = value;
        }

        emit Approval(owner, spender, value);
    }

    function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
        return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
    }

    function computeDomainSeparator() internal view virtual returns (bytes32) {
        return
            keccak256(
                abi.encode(
                    keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
                    keccak256(bytes(name)),
                    keccak256("1"),
                    block.chainid,
                    address(this)
                )
            );
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(address to, uint256 amount) internal virtual {
        totalSupply += amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(address(0), to, amount);
    }

    function _burn(address from, uint256 amount) internal virtual {
        balanceOf[from] -= amount;

        // Cannot underflow because a user's balance
        // will never be larger than the total supply.
        unchecked {
            totalSupply -= amount;
        }

        emit Transfer(from, address(0), amount);
    }
}

File 12 of 12 : Ownable.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

error CallerNotOwner();

abstract contract Ownable {
    address _owner = msg.sender;

    function owner() public view returns (address) {
        return _owner;
    }

    function transferOwnership(address newOwner) external onlyOwner {
        _owner = newOwner;
    }

    modifier onlyOwner() {
        if (msg.sender != _owner) revert CallerNotOwner();
        _;
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

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IERC721","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burnFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"claimReward","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"claimRewardStaked","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"dailyReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"dailyRewardStaked","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getRarityBonus","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bytes[]","name":"data","type":"bytes[]"}],"name":"multiCall","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"numOwned","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"numStaked","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"pendingReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"pendingRewardStaked","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC721","name":"token","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"recoverNFT","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ERC20","name":"token","type":"address"}],"name":"recoverToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"rarities","type":"uint256[]"}],"name":"setRarities","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"stake","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"stakeData","outputs":[{"internalType":"uint40","name":"rarityBonus","type":"uint40"},{"internalType":"uint40","name":"numStaked","type":"uint40"},{"internalType":"uint40","name":"lastClaimed","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"stakedTokenIdsOf","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokenData","outputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint40","name":"lastClaimed","type":"uint40"},{"internalType":"uint40","name":"rarity","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalNumStaked","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"treasuryAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"unstake","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.