Contract 0x134569A78306A0F239deaF8890d0f6DDd457Bd06 1

 
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0x7314b97f7793b81ee6424b274c91d4b810c9c561d410935105a275b36f153e84Buy Item29850412021-11-12 1:16:2166 days 23 hrs ago0x032f84aeff59ddebc55797f321624826d873bf65 IN  0x134569a78306a0f239deaf8890d0f6ddd457bd060 ETH0.003075423431 ETH
0x84c66032fd8504d48e12b431b6845c0ee7a14c9298e0d4c8bf01bde767f59176Create Listing29849942021-11-12 1:12:2666 days 23 hrs ago0x16e95f6bf27f0b16b19ad7d07635e69c49897272 IN  0x134569a78306a0f239deaf8890d0f6ddd457bd060 ETH0.002125450513 ETH
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0xcbefc11d9120470cbea775b676edf2dac07c9a00cd00815822dfd9aa14021237Buy Item29849752021-11-12 1:11:1066 days 23 hrs ago0x16e95f6bf27f0b16b19ad7d07635e69c49897272 IN  0x134569a78306a0f239deaf8890d0f6ddd457bd060 ETH0.003074611173 ETH
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0xa1a86abd7dd43dd047a8dd1fce86ce186d74591bb8b6a0ace61dbf41148b7f85Buy Item29848762021-11-12 1:06:0966 days 23 hrs ago0x032f84aeff59ddebc55797f321624826d873bf65 IN  0x134569a78306a0f239deaf8890d0f6ddd457bd060 ETH0.003695729162 ETH
0xc80835744cb73d758e5844197f0730c355d8d87ae40c1ff0eb7391c072c07400Update Listing29848032021-11-12 0:59:2866 days 23 hrs ago0x032f84aeff59ddebc55797f321624826d873bf65 IN  0x134569a78306a0f239deaf8890d0f6ddd457bd060 ETH0.001208801476 ETH
0x99f88e91aa8e7ad89b5f92a98c6b82cdc00316f375c08e0d7b0fe8b82efc87f5Create Listing29845052021-11-12 0:36:5467 days 2 mins ago0x032f84aeff59ddebc55797f321624826d873bf65 IN  0x134569a78306a0f239deaf8890d0f6ddd457bd060 ETH0.00214755599 ETH
0xfbd7da0ff7c5d47692d48c1c9a9bd492457a4b75bf7a7cb0067a6ea3635870f0Create Listing29844972021-11-12 0:35:4267 days 3 mins ago0x16e95f6bf27f0b16b19ad7d07635e69c49897272 IN  0x134569a78306a0f239deaf8890d0f6ddd457bd060 ETH0.002143360762 ETH
0xc3f54d07959a6fbdeca905cefee1431e61630785d5923d5e03982577e8efa190Add To Whitelist29842882021-11-12 0:23:2267 days 16 mins ago0xc304111a2bf792f47710675e8ca3d8178c044cb6 IN  0x134569a78306a0f239deaf8890d0f6ddd457bd060 ETH0.001392829874 ETH
0x0b840a9f37506fdb680f65df84e28b6c4ad107e9aab99dbaad8df65e191412d8Add To Whitelist29842862021-11-12 0:23:2267 days 16 mins ago0xc304111a2bf792f47710675e8ca3d8178c044cb6 IN  0x134569a78306a0f239deaf8890d0f6ddd457bd060 ETH0.001390658153 ETH
0x58b0185306f144821e24ec8ac78a350f11300a58c0470053f064e7ba481ca06eAdd To Whitelist29842852021-11-12 0:23:2267 days 16 mins ago0xc304111a2bf792f47710675e8ca3d8178c044cb6 IN  0x134569a78306a0f239deaf8890d0f6ddd457bd060 ETH0.001390658153 ETH
0x2365d7b0fa8c1169ff8bc8d771c2b0e2c0ff6fd2f720a6270efd95cb819ef643Add To Whitelist29842842021-11-12 0:22:0167 days 17 mins ago0xc304111a2bf792f47710675e8ca3d8178c044cb6 IN  0x134569a78306a0f239deaf8890d0f6ddd457bd060 ETH0.001392825194 ETH
0xa16ae0db89bc053c655edc8d48a994c02ca962dc823b817a6d4da5a0141cf8a0Add To Whitelist29842832021-11-12 0:22:0167 days 17 mins ago0xc304111a2bf792f47710675e8ca3d8178c044cb6 IN  0x134569a78306a0f239deaf8890d0f6ddd457bd060 ETH0.001390676875 ETH
0xc4a8166b8f1e3019e279e04815a84128da8fd7be7890b502d275f7c67595c38fAdd To Whitelist29842812021-11-12 0:22:0167 days 17 mins ago0xc304111a2bf792f47710675e8ca3d8178c044cb6 IN  0x134569a78306a0f239deaf8890d0f6ddd457bd060 ETH0.001388523876 ETH
0x6c18032fa1946943edac37b36001d0bceb9838a3a9155b846a313de5e4d1443dTransfer Ownersh...29831722021-11-11 23:17:2267 days 1 hr ago0x393248ae29a7c2128e8e27d23330b1f87e0600fc IN  0x134569a78306a0f239deaf8890d0f6ddd457bd060 ETH0.001080552956 ETH
0x988baf9d7d94df89b445e1d0aa330b76da36932d27642f8ac83e1908f1fe3af00x6080604029831682021-11-11 23:17:2267 days 1 hr ago0x393248ae29a7c2128e8e27d23330b1f87e0600fc IN  Create: TreasureMarketplace0 ETH0.129039973349 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
TreasureMarketplace

Compiler Version
v0.8.7+commit.e28d00a7

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 12 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @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.
 *
 * By default, the owner account will be the one that deploys the contract. 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;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _setOwner(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _setOwner(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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 2 of 12 : IERC165.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

File 3 of 12 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

File 4 of 12 : IERC1155.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

File 5 of 12 : IERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

File 6 of 12 : SafeERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

File 7 of 12 : IERC721.sol
// SPDX-License-Identifier: MIT

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

    /**
     * @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 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);

    /**
     * @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;
}

File 8 of 12 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 9 of 12 : Context.sol
// SPDX-License-Identifier: MIT

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 10 of 12 : IERC165.sol
// SPDX-License-Identifier: MIT

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 11 of 12 : TreasureMarketplace.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.7;

import '@openzeppelin/contracts/access/Ownable.sol';
import '@openzeppelin/contracts/interfaces/IERC165.sol';
import '@openzeppelin/contracts/token/ERC1155/IERC1155.sol';
import '@openzeppelin/contracts/token/ERC721/IERC721.sol';
import '@openzeppelin/contracts/token/ERC20/IERC20.sol';
import '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol';
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

import './TreasureNFTOracle.sol';

contract TreasureMarketplace is Ownable, ReentrancyGuard {
    using SafeERC20 for IERC20;

    bytes4 private constant INTERFACE_ID_ERC721 = 0x80ac58cd;
    bytes4 private constant INTERFACE_ID_ERC1155 = 0xd9b67a26;
    uint256 public constant BASIS_POINTS = 10000;

    address public oracle;
    address public paymentToken;

    uint256 public fee;
    address public feeReceipient;

    struct Listing {
        uint256 quantity;
        uint256 pricePerItem;
        uint256 expirationTime;
    }

    //  _nftAddress => _tokenId => _owner
    mapping(address => mapping(uint256 => mapping(address => Listing))) public listings;
    mapping(address => bool) public nftWhitelist;

    event UpdateFee(uint256 fee);
    event UpdateFeeRecipient(address feeRecipient);
    event UpdateOracle(address oracle);
    event UpdatePaymentToken(address paymentToken);

    event NftWhitelistAdd(address nft);
    event NftWhitelistRemove(address nft);

    event ItemListed(
        address seller,
        address nftAddress,
        uint256 tokenId,
        uint256 quantity,
        uint256 pricePerItem,
        uint256 expirationTime
    );

    event ItemUpdated(
        address seller,
        address nftAddress,
        uint256 tokenId,
        uint256 quantity,
        uint256 pricePerItem,
        uint256 expirationTime
    );

    event ItemSold(
        address seller,
        address buyer,
        address nftAddress,
        uint256 tokenId,
        uint256 quantity,
        uint256 pricePerItem
    );

    event ItemCanceled(address seller, address nftAddress, uint256 tokenId);

    modifier isListed(
        address _nftAddress,
        uint256 _tokenId,
        address _owner
    ) {
        Listing memory listing = listings[_nftAddress][_tokenId][_owner];
        require(listing.quantity > 0, "not listed item");
        _;
    }

    modifier notListed(
        address _nftAddress,
        uint256 _tokenId,
        address _owner
    ) {
        Listing memory listing = listings[_nftAddress][_tokenId][_owner];
        require(listing.quantity == 0, "already listed");
        _;
    }

    modifier validListing(
        address _nftAddress,
        uint256 _tokenId,
        address _owner
    ) {
        Listing memory listedItem = listings[_nftAddress][_tokenId][_owner];
        if (IERC165(_nftAddress).supportsInterface(INTERFACE_ID_ERC721)) {
            IERC721 nft = IERC721(_nftAddress);
            require(nft.ownerOf(_tokenId) == _owner, "not owning item");
        } else if (IERC165(_nftAddress).supportsInterface(INTERFACE_ID_ERC1155)) {
            IERC1155 nft = IERC1155(_nftAddress);
            require(nft.balanceOf(_owner, _tokenId) >= listedItem.quantity, "not owning item");
        } else {
            revert("invalid nft address");
        }
        require(listedItem.expirationTime >= block.timestamp, "listing expired");
        _;
    }

    modifier onlyWhitelisted(address nft) {
        require(nftWhitelist[nft], "nft not whitelisted");
        _;
    }

    constructor(uint256 _fee, address _feeRecipient, address _oracle, address _paymentToken) {
        setFee(_fee);
        setFeeRecipient(_feeRecipient);
        setOracle(_oracle);
        setPaymentToken(_paymentToken);
    }

    function createListing(
        address _nftAddress,
        uint256 _tokenId,
        uint256 _quantity,
        uint256 _pricePerItem,
        uint256 _expirationTime
    ) external notListed(_nftAddress, _tokenId, _msgSender()) onlyWhitelisted(_nftAddress) {
        if (_expirationTime == 0) _expirationTime = type(uint256).max;
        require(_expirationTime > block.timestamp, "invalid expiration time");
        require(_quantity > 0, "nothing to list");

        if (IERC165(_nftAddress).supportsInterface(INTERFACE_ID_ERC721)) {
            IERC721 nft = IERC721(_nftAddress);
            require(nft.ownerOf(_tokenId) == _msgSender(), "not owning item");
            require(nft.isApprovedForAll(_msgSender(), address(this)), "item not approved");
        } else if (IERC165(_nftAddress).supportsInterface(INTERFACE_ID_ERC1155)) {
            IERC1155 nft = IERC1155(_nftAddress);
            require(nft.balanceOf(_msgSender(), _tokenId) >= _quantity, "must hold enough nfts");
            require(nft.isApprovedForAll(_msgSender(), address(this)), "item not approved");
        } else {
            revert("invalid nft address");
        }

        listings[_nftAddress][_tokenId][_msgSender()] = Listing(
            _quantity,
            _pricePerItem,
            _expirationTime
        );

        emit ItemListed(
            _msgSender(),
            _nftAddress,
            _tokenId,
            _quantity,
            _pricePerItem,
            _expirationTime
        );
    }

    function updateListing(
        address _nftAddress,
        uint256 _tokenId,
        uint256 _newQuantity,
        uint256 _newPricePerItem,
        uint256 _newExpirationTime
    ) external nonReentrant isListed(_nftAddress, _tokenId, _msgSender()) {
        require(_newExpirationTime > block.timestamp, "invalid expiration time");

        Listing storage listedItem = listings[_nftAddress][_tokenId][_msgSender()];
        if (IERC165(_nftAddress).supportsInterface(INTERFACE_ID_ERC721)) {
            IERC721 nft = IERC721(_nftAddress);
            require(nft.ownerOf(_tokenId) == _msgSender(), "not owning item");
        } else if (IERC165(_nftAddress).supportsInterface(INTERFACE_ID_ERC1155)) {
            IERC1155 nft = IERC1155(_nftAddress);
            require(nft.balanceOf(_msgSender(), _tokenId) >= _newQuantity, "must hold enough nfts");
        } else {
            revert("invalid nft address");
        }

        listedItem.quantity = _newQuantity;
        listedItem.pricePerItem = _newPricePerItem;
        listedItem.expirationTime = _newExpirationTime;

        emit ItemUpdated(
            _msgSender(),
            _nftAddress,
            _tokenId,
            _newQuantity,
            _newPricePerItem,
            _newExpirationTime
        );
    }

    function cancelListing(address _nftAddress, uint256 _tokenId)
        external
        nonReentrant
        isListed(_nftAddress, _tokenId, _msgSender())
    {
        _cancelListing(_nftAddress, _tokenId, _msgSender());
    }

    function _cancelListing(
        address _nftAddress,
        uint256 _tokenId,
        address _owner
    ) internal {
        Listing memory listedItem = listings[_nftAddress][_tokenId][_owner];
        if (IERC165(_nftAddress).supportsInterface(INTERFACE_ID_ERC721)) {
            IERC721 nft = IERC721(_nftAddress);
            require(nft.ownerOf(_tokenId) == _owner, "not owning item");
        } else if (IERC165(_nftAddress).supportsInterface(INTERFACE_ID_ERC1155)) {
            IERC1155 nft = IERC1155(_nftAddress);
            require(nft.balanceOf(_msgSender(), _tokenId) >= listedItem.quantity, "not owning item");
        } else {
            revert("invalid nft address");
        }

        delete (listings[_nftAddress][_tokenId][_owner]);
        emit ItemCanceled(_owner, _nftAddress, _tokenId);
    }

    function buyItem(
        address _nftAddress,
        uint256 _tokenId,
        address _owner,
        uint256 _quantity
    )
        external
        nonReentrant
        isListed(_nftAddress, _tokenId, _owner)
        validListing(_nftAddress, _tokenId, _owner)
    {
        require(_msgSender() != _owner, "Cannot buy your own item");

        Listing memory listedItem = listings[_nftAddress][_tokenId][_owner];
        require(listedItem.quantity >= _quantity, "not enough quantity");

        // Transfer NFT to buyer
        if (IERC165(_nftAddress).supportsInterface(INTERFACE_ID_ERC721)) {
            IERC721(_nftAddress).safeTransferFrom(_owner, _msgSender(), _tokenId);
        } else {
            IERC1155(_nftAddress).safeTransferFrom(_owner, _msgSender(), _tokenId, _quantity, bytes(""));
        }

        if (listedItem.quantity == _quantity) {
            delete (listings[_nftAddress][_tokenId][_owner]);
        } else {
            listings[_nftAddress][_tokenId][_owner].quantity -= _quantity;
        }

        emit ItemSold(
            _owner,
            _msgSender(),
            _nftAddress,
            _tokenId,
            _quantity,
            listedItem.pricePerItem
        );

        TreasureNFTOracle(oracle).reportSale(_nftAddress, _tokenId, paymentToken, listedItem.pricePerItem);
        _buyItem(listedItem.pricePerItem, _quantity, _owner);
    }

    function _buyItem(
        uint256 _pricePerItem,
        uint256 _quantity,
        address _owner
    ) internal {
        uint256 totalPrice = _pricePerItem * _quantity;
        uint256 feeAmount = totalPrice * fee / BASIS_POINTS;
        IERC20(paymentToken).safeTransferFrom(_msgSender(), feeReceipient, feeAmount);
        IERC20(paymentToken).safeTransferFrom(_msgSender(), _owner, totalPrice - feeAmount);
    }

    // admin

    function setFee(uint256 _fee) public onlyOwner {
        require(_fee < BASIS_POINTS, "max fee");
        fee = _fee;
        emit UpdateFee(_fee);
    }

    function setFeeRecipient(address _feeRecipient) public onlyOwner {
        feeReceipient = _feeRecipient;
        emit UpdateFeeRecipient(_feeRecipient);
    }

    function setOracle(address _oracle) public onlyOwner {
        oracle = _oracle;
        emit UpdateOracle(_oracle);
    }

    function setPaymentToken(address _paymentToken) public onlyOwner {
        paymentToken = _paymentToken;
        emit UpdatePaymentToken(_paymentToken);
    }

    function setOracleOwner(address _newOwner) public onlyOwner {
        TreasureNFTOracle(oracle).transferOwnership(_newOwner);
    }

    function addToWhitelist(address _nft) external onlyOwner {
        require(!nftWhitelist[_nft], "nft already whitelisted");
        nftWhitelist[_nft] = true;
        emit NftWhitelistAdd(_nft);
    }

    function removeFromWhitelist(address _nft) external onlyOwner onlyWhitelisted(_nft) {
        nftWhitelist[_nft] = false;
        emit NftWhitelistRemove(_nft);
    }
}

File 12 of 12 : TreasureNFTOracle.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.7;

import '@openzeppelin/contracts/access/Ownable.sol';

contract TreasureNFTOracle is Ownable {

    struct Price {
        uint256 price;
        address denomination;
    }

    /// _nftAddress => _tokenId => Price
    mapping(address => mapping(uint256 => Price)) public getPrice;

    event PriceUpdate(address indexed nftAddress, uint256 indexed tokenId, address paymentToken, uint256 pricePerItem);

    function reportSale(address _nftAddress, uint256 _tokenId, address _paymentToken, uint256 _pricePerItem) external onlyOwner {
        getPrice[_nftAddress][_tokenId] = Price(_pricePerItem, _paymentToken);
        emit PriceUpdate(_nftAddress, _tokenId, _paymentToken, _pricePerItem);
    }
}

Settings
{
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

Contract ABI

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"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"}],"name":"listings","outputs":[{"internalType":"uint256","name":"quantity","type":"uint256"},{"internalType":"uint256","name":"pricePerItem","type":"uint256"},{"internalType":"uint256","name":"expirationTime","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nftWhitelist","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"oracle","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"paymentToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_nft","type":"address"}],"name":"removeFromWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_fee","type":"uint256"}],"name":"setFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeRecipient","type":"address"}],"name":"setFeeRecipient","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_oracle","type":"address"}],"name":"setOracle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"setOracleOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_paymentToken","type":"address"}],"name":"setPaymentToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_nftAddress","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_newQuantity","type":"uint256"},{"internalType":"uint256","name":"_newPricePerItem","type":"uint256"},{"internalType":"uint256","name":"_newExpirationTime","type":"uint256"}],"name":"updateListing","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

00000000000000000000000000000000000000000000000000000000000001f4000000000000000000000000db6ab450178babcf0e467c1f3b436050d907e23300000000000000000000000048d0a85e5a79f043c1721dd4e13f2418287c8d45000000000000000000000000539bde0d7dbd336b79148aa742883198bbf60342

-----Decoded View---------------
Arg [0] : _fee (uint256): 500
Arg [1] : _feeRecipient (address): 0xdb6ab450178babcf0e467c1f3b436050d907e233
Arg [2] : _oracle (address): 0x48d0a85e5a79f043c1721dd4e13f2418287c8d45
Arg [3] : _paymentToken (address): 0x539bde0d7dbd336b79148aa742883198bbf60342

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000001f4
Arg [1] : 000000000000000000000000db6ab450178babcf0e467c1f3b436050d907e233
Arg [2] : 00000000000000000000000048d0a85e5a79f043c1721dd4e13f2418287c8d45
Arg [3] : 000000000000000000000000539bde0d7dbd336b79148aa742883198bbf60342


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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