Address Details

contract

0x0caa875DB7B96538a716a9853FF45e44bB39aB3D

Contract Name: PxaMarket

Creator: 0xebd0a5–5c1367 at 0x7941eb–f6f22a

Balance: 1.1 CELO ( )

Locked CELO Balance: 0.00 CELO

Voting CELO Balance: 0.00 CELO

Pending Unlocked Gold: 0.00 CELO

Tokens: Fetching tokens... Error trying to fetch balances.

Transactions: Fetching transactions...

Transfers: Fetching transfers...

Gas Used: Fetching gas used...

Last Balance Update: 11621018

Transactions Token Transfers Tokens Internal Transactions Coin Balance History Logs Code Read Contract Write Contract

This contract has been verified via Sourcify. View contract in Sourcify repository

Contract name:: PxaMarket
Optimization enabled: false

Compiler version: v0.8.12+commit.f00d7308

EVM Version: london
Verified at: 2022-05-25T07:36:28.660301Z

contracts/PxaMarket.sol

// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.12;

import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/security/Pausable.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/token/ERC721/utils/ERC721Holder.sol";
import "./IPxaMarket.sol";
import "./IPWS.sol";

contract PxaMarket is Pausable, IPxaMarket, AccessControl, ERC721Holder {
  // constants
  bytes32 public constant COORDINATOR = keccak256("COORDINATOR");
  uint256 public constant RATE_BASE = 1e6;

  mapping(uint256 => Order) _orders;

  // vars

  uint256 private _income;
  uint256[] private _orderIds = new uint256[](0);
  address private _pxaAddress;
  address private _pwsAddress;
  uint256 private _feeRatio;
  uint256 private _feeShareRatio;
  string public name = "PixelAva Market";

  constructor(address pxaAddr, address pxaWeightAddr) {
    _pxaAddress = pxaAddr;
    _pwsAddress = pxaWeightAddr;
    _feeRatio = 10000;
    _feeShareRatio = 500000;
    _grantRole(DEFAULT_ADMIN_ROLE, msg.sender);
    _grantRole(COORDINATOR, msg.sender);
  }

  function order(uint256 tokenId) external view returns (Order memory _order) {
    return _orders[tokenId];
  }

  function createOrder(uint256 tokenId, uint256 price) external whenNotPaused {
    require(IERC721(_pxaAddress).ownerOf(tokenId) == msg.sender, "PxaMarket: invalid token owner");
    IERC721(_pxaAddress).safeTransferFrom(msg.sender, address(this), tokenId);
    _orders[tokenId] = Order(msg.sender, tokenId, price, 0, _orderIds.length);
    _orderIds.push(tokenId);

    emit OrderCreated(tokenId, msg.sender, price);
  }

  function buy(uint256 tokenId) external payable whenNotPaused {
    require(msg.value >= _orders[tokenId].price, "PxaMarket: insufficient CELO");
    uint256 fee = (msg.value * _feeRatio) / RATE_BASE;
    uint256 rest = msg.value - fee;
    uint256 feeShare = (fee * _feeShareRatio) / RATE_BASE;
    _addDividend(feeShare);
    uint256 feeForOwner = fee - feeShare;
    _addIncome(feeForOwner);
    payable(_orders[tokenId].seller).transfer(rest);
    _claim(msg.sender, tokenId);
    IERC721(_pxaAddress).safeTransferFrom(address(this), msg.sender, tokenId);
    _remove(tokenId);

    emit Bought(tokenId, msg.value, _orders[tokenId].revenue);
  }

  function claim(uint256 tokenId) external payable whenNotPaused {
    _claim(msg.sender, tokenId);
  }

  function cancelOrder(uint256 tokenId) external payable whenNotPaused {
    require(msg.sender == _orders[tokenId].seller, "PxaMarket: invalid seller");
    uint256 revenue = _orders[tokenId].revenue;
    _claim(msg.sender, tokenId);
    _remove(tokenId);
    IERC721(_pxaAddress).safeTransferFrom(address(this), msg.sender, tokenId);

    emit OrderRemoved(tokenId, revenue);
  }

  function pxaAddress() external view returns (address) {
    return _pxaAddress;
  }

  function setPxaAddress(address value) external onlyRole(COORDINATOR) {
    _pxaAddress = value;
  }

  function pwsAddress() external view returns (address) {
    return _pwsAddress;
  }

  function setPwsAddress(address value) external onlyRole(COORDINATOR) {
    _pwsAddress = value;
  }

  function rateBase() external pure returns (uint256) {
    return RATE_BASE;
  }

  function feeRatio() external view returns (uint256) {
    return _feeRatio;
  }

  function setFeeRatio(uint256 value) external onlyRole(COORDINATOR) {
    _feeRatio = value;
  }

  function feeShareRatio() external view returns (uint256) {
    return _feeShareRatio;
  }

  function setFeeShareRatio(uint256 value) external onlyRole(COORDINATOR) {
    _feeShareRatio = value;
  }

  function shareIncome() public payable {
    uint256 _dividends = (msg.value * _feeShareRatio) / RATE_BASE;
    uint256 _ownerIncome = msg.value - _dividends;
    _addDividend(_dividends);
    _addIncome(_ownerIncome);
  }

  function addDividend() public payable {
    _addDividend(msg.value);
  }

  function income() external view returns (uint256) {
    return _income;
  }

  function addIncome() external payable {
    _addIncome(msg.value);
  }

  function claimIncome(address receiver, uint256 amount) external onlyRole(DEFAULT_ADMIN_ROLE) {
    require(_income >= amount && address(this).balance >= amount, "PxaMarket: insufficient income to claim");
    payable(receiver).transfer(amount);
    _income = _income - amount;
    emit IncomeClaimed(receiver, amount);
  }

  function withdraw(address receiver, uint256 amount) external onlyRole(DEFAULT_ADMIN_ROLE) {
    require(address(this).balance >= amount, "PxaMarket: insufficient balance to withdraw");
    payable(receiver).transfer(amount);
    emit Withdraw(receiver, amount);
  }

  function _remove(uint256 tokenId) internal {
    uint256 removeIndex = _orders[tokenId].index;
    uint256 replaceIndex = _orderIds.length - 1;
    _orderIds[removeIndex] = _orderIds[replaceIndex];
    _orders[_orderIds[replaceIndex]].index = removeIndex;
    delete _orders[tokenId];
    _orderIds.pop();
  }

  function _addDividend(uint256 amount) internal {
    if (_orderIds.length == 0) return;
    uint256 totalWeight = IPWS(_pwsAddress).totalWeightOf(_orderIds);
    for (uint256 i = 0; i < _orderIds.length; i++) {
      uint256 id = _orderIds[i];
      uint256 weight = IPWS(_pwsAddress).weight(id);
      uint256 revenue = (amount * weight) / totalWeight;
      _orders[id].revenue += revenue;
      emit RevenueIncreased(id, _orders[id].revenue);
    }
  }

  function _claim(address receiver, uint256 tokenId) internal {
    uint256 unclaimed = _orders[tokenId].revenue;
    if (unclaimed == 0) return;
    require(unclaimed <= address(this).balance, "PxaMarket: insufficient balance");
    payable(receiver).transfer(unclaimed);
    _orders[tokenId].revenue = 0;
    emit Claimed(tokenId, unclaimed);
  }

  function _addIncome(uint256 amount) internal {
    _income = _income + amount;
    emit IncomeAdded(amount);
  }

  function pause() external onlyRole(COORDINATOR) {
    _pause();
  }

  function resume() external onlyRole(COORDINATOR) {
    _unpause();
  }
}

/_openzeppelin/contracts/access/AccessControl.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (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, _msgSender());
        _;
    }

    /**
     * @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 `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());
        }
    }
}

/_openzeppelin/contracts/access/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;
}

/_openzeppelin/contracts/security/Pausable.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/Pausable.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        require(!paused(), "Pausable: paused");
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        require(paused(), "Pausable: not paused");
        _;
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

/_openzeppelin/contracts/token/ERC721/IERC721.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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`, 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;
}

/_openzeppelin/contracts/token/ERC721/IERC721Receiver.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

/_openzeppelin/contracts/token/ERC721/utils/ERC721Holder.sol

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/utils/ERC721Holder.sol)

pragma solidity ^0.8.0;

import "../IERC721Receiver.sol";

/**
 * @dev Implementation of the {IERC721Receiver} interface.
 *
 * Accepts all token transfers.
 * Make sure the contract is able to use its token with {IERC721-safeTransferFrom}, {IERC721-approve} or {IERC721-setApprovalForAll}.
 */
contract ERC721Holder is IERC721Receiver {
    /**
     * @dev See {IERC721Receiver-onERC721Received}.
     *
     * Always returns `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address,
        address,
        uint256,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC721Received.selector;
    }
}

/_openzeppelin/contracts/utils/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;
    }
}

/_openzeppelin/contracts/utils/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);
    }
}

/_openzeppelin/contracts/utils/introspection/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;
    }
}

/_openzeppelin/contracts/utils/introspection/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);
}

/contracts/IPWS.sol

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

pragma solidity ^0.8.12;

interface IPWS {
  event WeightAdded(uint256 indexed id, uint256 amount);
  event WeightReduced(uint256 indexed id, uint256 amount);

  function weight(uint256 id) external view returns (uint256);

  function totalWeightOf(uint256[] memory _ids) external view returns (uint256);

  function addWeight(uint256 id, uint256 amount) external;

  function reduceWeight(uint256 id, uint256 amount) external;
}

/contracts/IPxaMarket.sol

// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.12;

interface IPxaMarket {
  struct Order {
    address seller;
    uint256 tokenId;
    uint256 price;
    uint256 revenue;
    uint256 index;
  }

  event OrderCreated(uint256 indexed tokenId, address seller, uint256 price);
  event Bought(uint256 indexed tokenId, uint256 price, uint256 revenue);
  event Claimed(uint256 indexed tokenId, uint256 revenue);
  event OrderRemoved(uint256 indexed tokenId, uint256 revenue);
  event RevenueIncreased(uint256 indexed tokenId, uint256 revenue);
  event IncomeAdded(uint256 amount);
  event IncomeClaimed(address indexed receiver, uint256 amount);
  event Withdraw(address indexed receiver, uint256 amount);

  function rateBase() external view returns (uint256);

  function name() external view returns (string memory);

  function order(uint256 tokenId) external view returns (Order memory order);

  function createOrder(uint256 tokenId, uint256 price) external;

  function buy(uint256 tokenId) external payable;

  function claim(uint256 tokenId) external payable;

  function cancelOrder(uint256 tokenId) external payable;

  function pxaAddress() external view returns (address);

  function setPxaAddress(address value) external;

  function pwsAddress() external view returns (address);

  function setPwsAddress(address value) external;

  function feeRatio() external view returns (uint256);

  function setFeeRatio(uint256 value) external;

  function feeShareRatio() external view returns (uint256);

  function setFeeShareRatio(uint256 value) external;

  function addDividend() external payable;

  function shareIncome() external payable;

  function income() external view returns (uint256);

  function addIncome() external payable;

  function claimIncome(address receiver, uint256 amount) external;

  function withdraw(address receiver, uint256 amount) external;
}

Contract ABI

[{"type":"constructor","stateMutability":"nonpayable","inputs":[{"type":"address","name":"pxaAddr","internalType":"address"},{"type":"address","name":"pxaWeightAddr","internalType":"address"}]},{"type":"event","name":"Bought","inputs":[{"type":"uint256","name":"tokenId","internalType":"uint256","indexed":true},{"type":"uint256","name":"price","internalType":"uint256","indexed":false},{"type":"uint256","name":"revenue","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"Claimed","inputs":[{"type":"uint256","name":"tokenId","internalType":"uint256","indexed":true},{"type":"uint256","name":"revenue","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"IncomeAdded","inputs":[{"type":"uint256","name":"amount","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"IncomeClaimed","inputs":[{"type":"address","name":"receiver","internalType":"address","indexed":true},{"type":"uint256","name":"amount","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"OrderCreated","inputs":[{"type":"uint256","name":"tokenId","internalType":"uint256","indexed":true},{"type":"address","name":"seller","internalType":"address","indexed":false},{"type":"uint256","name":"price","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"OrderRemoved","inputs":[{"type":"uint256","name":"tokenId","internalType":"uint256","indexed":true},{"type":"uint256","name":"revenue","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"Paused","inputs":[{"type":"address","name":"account","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"RevenueIncreased","inputs":[{"type":"uint256","name":"tokenId","internalType":"uint256","indexed":true},{"type":"uint256","name":"revenue","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"RoleAdminChanged","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32","indexed":true},{"type":"bytes32","name":"previousAdminRole","internalType":"bytes32","indexed":true},{"type":"bytes32","name":"newAdminRole","internalType":"bytes32","indexed":true}],"anonymous":false},{"type":"event","name":"RoleGranted","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32","indexed":true},{"type":"address","name":"account","internalType":"address","indexed":true},{"type":"address","name":"sender","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"RoleRevoked","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32","indexed":true},{"type":"address","name":"account","internalType":"address","indexed":true},{"type":"address","name":"sender","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"Unpaused","inputs":[{"type":"address","name":"account","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"Withdraw","inputs":[{"type":"address","name":"receiver","internalType":"address","indexed":true},{"type":"uint256","name":"amount","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"function","stateMutability":"view","outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"COORDINATOR","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"DEFAULT_ADMIN_ROLE","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"RATE_BASE","inputs":[]},{"type":"function","stateMutability":"payable","outputs":[],"name":"addDividend","inputs":[]},{"type":"function","stateMutability":"payable","outputs":[],"name":"addIncome","inputs":[]},{"type":"function","stateMutability":"payable","outputs":[],"name":"buy","inputs":[{"type":"uint256","name":"tokenId","internalType":"uint256"}]},{"type":"function","stateMutability":"payable","outputs":[],"name":"cancelOrder","inputs":[{"type":"uint256","name":"tokenId","internalType":"uint256"}]},{"type":"function","stateMutability":"payable","outputs":[],"name":"claim","inputs":[{"type":"uint256","name":"tokenId","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"claimIncome","inputs":[{"type":"address","name":"receiver","internalType":"address"},{"type":"uint256","name":"amount","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"createOrder","inputs":[{"type":"uint256","name":"tokenId","internalType":"uint256"},{"type":"uint256","name":"price","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"feeRatio","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"feeShareRatio","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"getRoleAdmin","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"grantRole","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32"},{"type":"address","name":"account","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"hasRole","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32"},{"type":"address","name":"account","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"income","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"string","name":"","internalType":"string"}],"name":"name","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"bytes4","name":"","internalType":"bytes4"}],"name":"onERC721Received","inputs":[{"type":"address","name":"","internalType":"address"},{"type":"address","name":"","internalType":"address"},{"type":"uint256","name":"","internalType":"uint256"},{"type":"bytes","name":"","internalType":"bytes"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"tuple","name":"_order","internalType":"struct IPxaMarket.Order","components":[{"type":"address","name":"seller","internalType":"address"},{"type":"uint256","name":"tokenId","internalType":"uint256"},{"type":"uint256","name":"price","internalType":"uint256"},{"type":"uint256","name":"revenue","internalType":"uint256"},{"type":"uint256","name":"index","internalType":"uint256"}]}],"name":"order","inputs":[{"type":"uint256","name":"tokenId","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"pause","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"paused","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"pwsAddress","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"pxaAddress","inputs":[]},{"type":"function","stateMutability":"pure","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"rateBase","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"renounceRole","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32"},{"type":"address","name":"account","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"resume","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"revokeRole","inputs":[{"type":"bytes32","name":"role","internalType":"bytes32"},{"type":"address","name":"account","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setFeeRatio","inputs":[{"type":"uint256","name":"value","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setFeeShareRatio","inputs":[{"type":"uint256","name":"value","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setPwsAddress","inputs":[{"type":"address","name":"value","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setPxaAddress","inputs":[{"type":"address","name":"value","internalType":"address"}]},{"type":"function","stateMutability":"payable","outputs":[],"name":"shareIncome","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"supportsInterface","inputs":[{"type":"bytes4","name":"interfaceId","internalType":"bytes4"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"withdraw","inputs":[{"type":"address","name":"receiver","internalType":"address"},{"type":"uint256","name":"amount","internalType":"uint256"}]}]

Contract Creation Code

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Address Details contract

0x0caa875DB7B96538a716a9853FF45e44bB39aB3D

contracts/PxaMarket.sol

/_openzeppelin/contracts/access/AccessControl.sol

/_openzeppelin/contracts/access/IAccessControl.sol

/_openzeppelin/contracts/security/Pausable.sol

/_openzeppelin/contracts/token/ERC721/IERC721.sol

/_openzeppelin/contracts/token/ERC721/IERC721Receiver.sol

/_openzeppelin/contracts/token/ERC721/utils/ERC721Holder.sol

/_openzeppelin/contracts/utils/Context.sol

/_openzeppelin/contracts/utils/Strings.sol

/_openzeppelin/contracts/utils/introspection/ERC165.sol

/_openzeppelin/contracts/utils/introspection/IERC165.sol

/contracts/IPWS.sol

/contracts/IPxaMarket.sol

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