// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Minting extension of the KIP37 standard as defined in the KIP. * See http://kips.klaytn.com/KIPs/kip-37#minting-extension */ interface IKIP37Mintable { /** * @dev Creates a new `id` token type and assigns the caller as owner of `initialSupply` while * setting a `uri` for this token type * * Requirements: * * - `id` must not already exist * * Emits a {TransferSingle} event with 0X0 as the `from` account, for the `intialSupply` tokens */ function create( uint256 id, uint256 initialSupply, string calldata uri_ ) external returns (bool); /** * @dev Mints an `amount` of new `id` tokens and assigns `to` as owner * * Emits a {TransferSingle} event with 0X0 as the `from` account, for the `amount` tokens * * Requirements: * * - `id` must exist * - `to` must not be the zero address */ function mint( uint256 id, address to, uint256 amount ) external; /** * @dev For each item in `toList`, mints an `amount[i]` of new `id` tokens and assigns `toList[i]` as owner * * Emits multiple {TransferSingle} events with 0X0 as the `from` account, for the `amount` tokens * * Requirements: * * - `id` must exist * - each `toList[i]` must not be the zero address * - `toList` and `amounts` must have the same number of elements */ function mint( uint256 id, address[] calldata toList, uint256[] calldata amounts ) external; /** * @dev Mints multiple KIP37 token types `ids` in a batch and assigns the tokens according to the variables `to` and `amounts`. * * * Emits a {TransferBatch} event with 0X0 as the `from` account, for the `amount` tokens * * Requirements: * * - `to` must not be the zero address * - each`ids[i]` must exist * - `ids` and `amounts` must have the same number of elements */ function mintBatch( address to, uint256[] calldata ids, uint256[] calldata amounts ) external; } // File: contracts/KIP/token/KIP37/extensions/IKIP37Pausable.sol // Klaytn Contract Library v1.0.0 (KIP/token/KIP37/extensions/IKIP37Pausable.sol) pragma solidity ^0.8.0; /** * @dev Pausing extension of the KIP37 standard as defined in the KIP. * See http://kips.klaytn.com/KIPs/kip-37#pausing-extension */ interface IKIP37Pausable { /** * @dev Returns true if the contract is paused, false otherwise */ function paused() external view returns (bool); /** * @dev Pause any function which triggers {KIP37-_beforeTokenTransfer} * * Emits a {Paused} event. */ function pause() external; /** * @dev Resume normal function from the contract paused state * * Emits a {Unpaused} event. */ function unpause() external; /** * @dev Returns true if the token type `id` is paused, false otherwise */ function paused(uint256 id) external view returns (bool); /** * @dev Pause any function which triggers {KIP37-_beforeTokenTransfer} when token `id` is invoked * * Emits a {TokenPaused} event. */ function pause(uint256 id) external; /** * @dev Resume normal function from the token type `id` paused state * * Emits a {TokenUnpaused} event. */ function unpause(uint256 id) external; } // File: contracts/utils/structs/EnumerableSet.sol // OpenZeppelin Contracts (last updated v4.6.0) (utils/structs/EnumerableSet.sol) pragma solidity ^0.8.0; /** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ``` * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`) * and `uint256` (`UintSet`) are supported. * * [WARNING] * ==== * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure unusable. * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info. * * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an array of EnumerableSet. * ==== */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping(bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; if (lastIndex != toDeleteIndex) { bytes32 lastValue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastValue; // Update the index for the moved value set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex } // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { return set._values[index]; } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function _values(Set storage set) private view returns (bytes32[] memory) { return set._values; } // Bytes32Set struct Bytes32Set { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _add(set._inner, value); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _remove(set._inner, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) { return _contains(set._inner, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Bytes32Set storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) { return _at(set._inner, index); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(Bytes32Set storage set) internal view returns (bytes32[] memory) { return _values(set._inner); } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint160(uint256(_at(set._inner, index)))); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(AddressSet storage set) internal view returns (address[] memory) { bytes32[] memory store = _values(set._inner); address[] memory result; assembly { result := store } return result; } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values on the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(UintSet storage set) internal view returns (uint256[] memory) { bytes32[] memory store = _values(set._inner); uint256[] memory result; assembly { result := store } return result; } } // File: contracts/utils/Strings.sol // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @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); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } } // File: contracts/access/IAccessControl.sol // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControl { /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) external; /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) external; /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) external; } // File: contracts/access/IAccessControlEnumerable.sol // OpenZeppelin Contracts v4.4.1 (access/IAccessControlEnumerable.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControlEnumerable declared to support ERC165 detection. */ interface IAccessControlEnumerable is IAccessControl { /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post] * for more information. */ function getRoleMember(bytes32 role, uint256 index) external view returns (address); /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) external view returns (uint256); } // File: contracts/KIP/token/KIP37/extensions/IKIP37Burnable.sol // Klaytn Contract Library v1.0.0 (KIP/token/KIP37/extensions/IKIP37Burnable.sol) pragma solidity ^0.8.0; /** * @title KIP37 Non-Fungible Token Standard, optional burnable extension * @dev See http://kips.klaytn.com/KIPs/kip-37#burning-extension */ interface IKIP37Burnable { /** * @dev Destroys `amount` tokens of token type `id` from `from` * * Emits a {TransferSingle} event with the 0x0 address as `to`. */ function burn( address account, uint256 id, uint256 amount ) external; /** * @dev Destroys each amount `amounts[i]` tokens of each token type `ids[i]` from `from` * * Emits a {TransferBatch} event with the 0x0 address as `to`. */ function burnBatch( address account, uint256[] calldata ids, uint256[] calldata amounts ) external; } // File: contracts/utils/Context.sol // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } } // File: contracts/access/Ownable.sol // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; /** * @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() { _transferOwnership(_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 { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // File: contracts/security/Pausable.sol // OpenZeppelin Contracts v4.4.1 (security/Pausable.sol) pragma solidity ^0.8.0; /** * @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()); } } // File: contracts/utils/Address.sol // OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @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 * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 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: contracts/utils/introspection/IERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: contracts/utils/introspection/ERC165.sol // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } } // File: contracts/access/AccessControl.sol // OpenZeppelin Contracts (last updated v4.6.0) (access/AccessControl.sol) pragma solidity ^0.8.0; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. This is a lightweight version that doesn't allow enumerating role * members except through off-chain means by accessing the contract event logs. Some * applications may benefit from on-chain enumerability, for those cases see * {AccessControlEnumerable}. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ``` * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * Roles can be used to represent a set of permissions. To restrict access to a * function call, use {hasRole}: * * ``` * function foo() public { * require(hasRole(MY_ROLE, msg.sender)); * ... * } * ``` * * Roles can be granted and revoked dynamically via the {grantRole} and * {revokeRole} functions. Each role has an associated admin role, and only * accounts that have a role's admin role can call {grantRole} and {revokeRole}. * * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means * that only accounts with this role will be able to grant or revoke other * roles. More complex role relationships can be created by using * {_setRoleAdmin}. * * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to * grant and revoke this role. Extra precautions should be taken to secure * accounts that have been granted it. */ abstract contract AccessControl is Context, IAccessControl, ERC165 { struct RoleData { mapping(address => bool) members; bytes32 adminRole; } mapping(bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Modifier that checks that an account has a specific role. Reverts * with a standardized message including the required role. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ * * _Available since v4.1._ */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual override returns (bool) { return _roles[role].members[account]; } /** * @dev Revert with a standard message if `_msgSender()` is missing `role`. * Overriding this function changes the behavior of the {onlyRole} modifier. * * Format of the revert message is described in {_checkRole}. * * _Available since v4.6._ */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Revert with a standard message if `account` is missing `role`. * * The format of the revert reason is given by the following regular expression: * * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/ */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert( string( abi.encodePacked( "AccessControl: account ", Strings.toHexString(uint160(account), 20), " is missing role ", Strings.toHexString(uint256(role), 32) ) ) ); } } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) { return _roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleGranted} event. */ 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. * * May emit a {RoleRevoked} event. */ 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`. * * May emit a {RoleRevoked} event. */ 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. * * May emit a {RoleGranted} event. * * [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. * * May emit a {RoleGranted} event. */ 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. * * May emit a {RoleRevoked} event. */ function _revokeRole(bytes32 role, address account) internal virtual { if (hasRole(role, account)) { _roles[role].members[account] = false; emit RoleRevoked(role, account, _msgSender()); } } } // File: contracts/access/AccessControlEnumerable.sol // OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControlEnumerable.sol) pragma solidity ^0.8.0; /** * @dev Extension of {AccessControl} that allows enumerating the members of each role. */ abstract contract AccessControlEnumerable is IAccessControlEnumerable, AccessControl { using EnumerableSet for EnumerableSet.AddressSet; mapping(bytes32 => EnumerableSet.AddressSet) private _roleMembers; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControlEnumerable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post] * for more information. */ function getRoleMember(bytes32 role, uint256 index) public view virtual override returns (address) { return _roleMembers[role].at(index); } /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) public view virtual override returns (uint256) { return _roleMembers[role].length(); } /** * @dev Overload {_grantRole} to track enumerable memberships */ function _grantRole(bytes32 role, address account) internal virtual override { super._grantRole(role, account); _roleMembers[role].add(account); } /** * @dev Overload {_revokeRole} to track enumerable memberships */ function _revokeRole(bytes32 role, address account) internal virtual override { super._revokeRole(role, account); _roleMembers[role].remove(account); } } // File: contracts/token/ERC1155/IERC1155Receiver.sol // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol) pragma solidity ^0.8.0; /** * @dev _Available since v3.1._ */ interface IERC1155Receiver is IERC165 { /** * @dev Handles the receipt of a single ERC1155 token type. This function is * called at the end of a `safeTransferFrom` after the balance has been updated. * * NOTE: To accept the transfer, this must return * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` * (i.e. 0xf23a6e61, or its own function selector). * * @param operator The address which initiated the transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param id The ID of the token being transferred * @param value The amount of tokens being transferred * @param data Additional data with no specified format * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed */ function onERC1155Received( address operator, address from, uint256 id, uint256 value, bytes calldata data ) external returns (bytes4); /** * @dev Handles the receipt of a multiple ERC1155 token types. This function * is called at the end of a `safeBatchTransferFrom` after the balances have * been updated. * * NOTE: To accept the transfer(s), this must return * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` * (i.e. 0xbc197c81, or its own function selector). * * @param operator The address which initiated the batch transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param ids An array containing ids of each token being transferred (order and length must match values array) * @param values An array containing amounts of each token being transferred (order and length must match ids array) * @param data Additional data with no specified format * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed */ function onERC1155BatchReceived( address operator, address from, uint256[] calldata ids, uint256[] calldata values, bytes calldata data ) external returns (bytes4); } // File: contracts/KIP/utils/introspection/IKIP13.sol // Klaytn Contract Library v1.0.0 (KIP/utils/introspection/IKIP13.sol) // Based on OpenZeppelin Contracts v4.5.0 (utils/introspection/IERC165.sol) // https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.5.0 pragma solidity ^0.8.0; /** * @dev Interface of the KIP13 standard as defined in the KIP. * * See - http://kips.klaytn.com/KIPs/kip-13-interface_query_standard */ interface IKIP13 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. * See - http://kips.klaytn.com/KIPs/kip-13-interface_query_standard#how-interface-identifiers-are-defined * to learn more about how these ids are created. * * Requirements: * * - implementation of this function call must use less than 30 000 gas */ function supportsInterface(bytes4 interfaceId) external view returns (bool); } // File: contracts/KIP/interfaces/IKIP13.sol // Klaytn Contract Library v1.0.0 (KIP/interfaces/IKIP13.sol) pragma solidity ^0.8.0; // File: contracts/KIP/utils/introspection/KIP13.sol // Klaytn Contract Library v1.0.0 (KIP/utils/introspection/KIP13.sol) // Based on OpenZeppelin Contracts v4.5.0 (utils/introspection/ERC165.sol) // https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.5.0 pragma solidity ^0.8.0; /** * @dev Implementation of the {IKIP13} interface. * * Contracts that want to implement KIP13 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, {KIP13Storage} provides an easier to use but more expensive implementation. */ abstract contract KIP13 is IKIP13 { /** * @dev See {IKIP13-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IKIP13).interfaceId; } } // File: contracts/KIP/token/KIP37/IKIP37Receiver.sol // Klaytn Contract Library v1.0.0 (KIP/token/KIP37/IKIP37Receiver.sol) // Based on OpenZeppelin Contracts v4.5.0 (token/ERC1155/IERC1155Receiver.sol) // https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.5.0 pragma solidity ^0.8.0; /** * @dev */ interface IKIP37Receiver is IKIP13 { /** * @dev Handles the receipt of a single KIP37 token type. This function is * called at the end of a `safeTransferFrom` after the balance has been updated. * * NOTE: To accept the transfer, this must return * `bytes4(keccak256("onKIP37Received(address,address,uint256,uint256,bytes)"))` * (i.e. 0xf23a6e61, or its own function selector). * * @param operator The address which initiated the transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param id The ID of the token being transferred * @param amount The amount of tokens being transferred * @param data Additional data with no specified format * @return `bytes4(keccak256("onKIP37Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed */ function onKIP37Received( address operator, address from, uint256 id, uint256 amount, bytes calldata data ) external returns (bytes4); /** * @dev Handles the receipt of a multiple KIP37 token types. This function * is called at the end of a `safeBatchTransferFrom` after the balances have * been updated. * * NOTE: To accept the transfer(s), this must return * `bytes4(keccak256("onKIP37BatchReceived(address,address,uint256[],uint256[],bytes)"))` * (i.e. 0xbc197c81, or its own function selector). * * @param operator The address which initiated the batch transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param ids An array containing ids of each token being transferred (order and length must match amounts array) * @param amounts An array containing amounts of each token being transferred (order and length must match ids array) * @param data Additional data with no specified format * @return `bytes4(keccak256("onKIP37BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed */ function onKIP37BatchReceived( address operator, address from, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external returns (bytes4); } // File: contracts/KIP/token/KIP37/IKIP37.sol // Klaytn Contract Library v1.0.0 (KIP/token/KIP37/IKIP37.sol) // Based on OpenZeppelin Contracts v4.5.0 (token/ERC1155/IERC1155.sol) // https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.5.0 pragma solidity ^0.8.0; /** * @dev Required interface of an KIP37 compliant contract, as defined in the * http://kips.klaytn.com/KIPs/kip-37#kip37-interface[KIP]. * */ interface IKIP37 is IKIP13 { /** * @dev Emitted when `amount` 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 amount ); /** * @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[] amounts ); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed owner, 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 * http://kips.klaytn.com/KIPs/kip-37#metadata-extension[guarantees] that `value` will equal the value * returned by {IKIP37Metadata-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `owner`. * * Requirements: * * - `owner` cannot be the zero address. */ function balanceOf(address owner, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:kip37.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `owners` and `ids` must have the same length. */ function balanceOfBatch(address[] calldata owners, 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 ``owner``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address owner, 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 {IKIP37Receiver-onKIP37Received} and return the * acceptance magic amount. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; /** * @dev xref:ROOT:kip37.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 {IKIP37Receiver-onKIP37BatchReceived} and return the * acceptance magic amount. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; /** @notice Get the total supply of the token type requested. @param _id ID of the token @return The supply of the token type requested */ function totalSupply(uint256 _id) external view returns (uint256); } // File: contracts/KIP/token/KIP37/extensions/IKIP37MetadataURI.sol // Klaytn Contract Library v1.0.0 (KIP/token/KIP37/extensions/IKIP37MetadataURI.sol) // Based on OpenZeppelin Contracts v4.5.0 (token/ERC1155/extensions/IERC1155MetadataURI.sol) // https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.5.0 pragma solidity ^0.8.0; /** * @dev Interface of the optional KIP37Metadata Extension interface, as defined * in the http://kips.klaytn.com/KIPs/kip-37#metadata-extension[KIP]. * */ interface IKIP37MetadataURI is IKIP37 { /** * @dev Returns the URI for token type `id`. * * If the `\{id\}` substring is present in the URI, it must be replaced by * clients with the actual token type ID. */ function uri(uint256 id) external view returns (string memory); } // File: contracts/KIP/token/KIP37/KIP37.sol // Klaytn Contract Library v1.0.0 (KIP/token/KIP37/KIP37.sol) // Based on OpenZeppelin Contracts v4.5.0 (token/ERC1155/ERC1155.sol) // https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.5.0 pragma solidity ^0.8.0; /** * @dev Implementation of the basic standard multi-token. * See http://kips.klaytn.com/KIPs/kip-37 * Originally based on code by Enjin: https://github.com/enjin/erc-1155 * */ contract KIP37 is KIP13, IKIP37, IKIP37MetadataURI, Context { using Address for address; // Mapping from token ID to account balances mapping(uint256 => mapping(address => uint256)) private _balances; // Mapping from token ID to token's circulating supply mapping(uint256 => uint256) private _totalSupply; // Mapping from account to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json string private _uri; /** * @dev See {_setURI}. */ constructor(string memory uri_) { _setURI(uri_); } /** * @dev See {IKIP13-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(KIP13, IKIP13) returns (bool) { return interfaceId == type(IKIP37).interfaceId || interfaceId == type(IKIP37MetadataURI).interfaceId || KIP13.supportsInterface(interfaceId); } /** * @dev See {IKIP37Metadata-uri}. * * This implementation returns the same URI for *all* token types. It relies * on the token type ID substitution mechanism * http://kips.klaytn.com/KIPs/kip-37#metadata-extension[defined in the KIP]. * * Clients calling this function must replace the `\{id\}` substring with the * actual token type ID. */ function uri(uint256) public view virtual override returns (string memory) { return _uri; } /** * @dev Total amount of tokens in with a given id. */ function totalSupply(uint256 id) public view virtual override returns (uint256) { return _totalSupply[id]; } /** * @dev See {IKIP37-balanceOf}. * * Requirements: * * - `owner` cannot be the zero address. */ function balanceOf(address owner, uint256 id) public view virtual override returns (uint256) { require(owner != address(0), "KIP37: address zero is not a valid owner"); return _balances[id][owner]; } /** * @dev See {IKIP37-balanceOfBatch}. * * Requirements: * * - `owners` and `ids` must have the same length. */ function balanceOfBatch(address[] memory owners, uint256[] memory ids) public view virtual override returns (uint256[] memory) { require(owners.length == ids.length, "KIP37: owners and ids length mismatch"); uint256[] memory batchBalances = new uint256[](owners.length); for (uint256 i = 0; i < owners.length; ++i) { batchBalances[i] = balanceOf(owners[i], ids[i]); } return batchBalances; } /** * @dev See {IKIP37-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IKIP37-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IKIP37-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) public virtual override { require( from == _msgSender() || isApprovedForAll(from, _msgSender()), "KIP37: caller is not owner nor approved" ); _safeTransferFrom(from, to, id, amount, data); } /** * @dev See {IKIP37-safeBatchTransferFrom}. */ function safeBatchTransferFrom( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) public virtual override { require( from == _msgSender() || isApprovedForAll(from, _msgSender()), "KIP37: transfer caller is not owner nor approved" ); _safeBatchTransferFrom(from, to, ids, amounts, data); } /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IKIP37Receiver-onKIP37Received} and return the * acceptance magic amount. */ function _safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) internal virtual { require(to != address(0), "KIP37: transfer to the zero address"); address operator = _msgSender(); uint256[] memory ids = _asSingletonArray(id); uint256[] memory amounts = _asSingletonArray(amount); _beforeTokenTransfer(operator, from, to, ids, amounts, data); uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "KIP37: insufficient balance for transfer"); unchecked { _balances[id][from] = fromBalance - amount; } _balances[id][to] += amount; emit TransferSingle(operator, from, to, id, amount); _afterTokenTransfer(operator, from, to, ids, amounts, data); _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data); } /** * @dev xref:ROOT:kip37.adoc#batch-operations[Batched] version of {_safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - If `to` refers to a smart contract, it must implement {IKIP37Receiver-onKIP37BatchReceived} and return the * acceptance magic amount. */ function _safeBatchTransferFrom( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { require(ids.length == amounts.length, "KIP37: ids and amounts length mismatch"); require(to != address(0), "KIP37: transfer to the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, from, to, ids, amounts, data); for (uint256 i = 0; i < ids.length; ++i) { uint256 id = ids[i]; uint256 amount = amounts[i]; uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "KIP37: insufficient balance for transfer"); unchecked { _balances[id][from] = fromBalance - amount; } _balances[id][to] += amount; } emit TransferBatch(operator, from, to, ids, amounts); _afterTokenTransfer(operator, from, to, ids, amounts, data); _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data); } /** * @dev Sets a new URI for all token types, by relying on the token type ID * substitution mechanism * http://kips.klaytn.com/KIPs/kip-37#metadata-extension[defined in the KIP]. * * By this mechanism, any occurrence of the `\{id\}` substring in either the * URI or any of the amounts in the JSON file at said URI will be replaced by * clients with the token type ID. * * For example, the `https://token-cdn-domain/\{id\}.json` URI would be * interpreted by clients as * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json` * for token type ID 0x4cce0. * * See {uri}. * * Because these URIs cannot be meaningfully represented by the {URI} event, * this function emits no events. */ function _setURI(string memory newuri) internal virtual { _uri = newuri; } /** * @dev Creates `amount` tokens of token type `id`, and assigns them to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If `to` refers to a smart contract, it must implement {IKIP37Receiver-onKIP37Received} and return the * acceptance magic amount. */ function _mint( address to, uint256 id, uint256 amount, bytes memory data ) internal virtual { require(to != address(0), "KIP37: mint to the zero address"); address operator = _msgSender(); uint256[] memory ids = _asSingletonArray(id); uint256[] memory amounts = _asSingletonArray(amount); _beforeTokenTransfer(operator, address(0), to, ids, amounts, data); _balances[id][to] += amount; emit TransferSingle(operator, address(0), to, id, amount); _afterTokenTransfer(operator, address(0), to, ids, amounts, data); _doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data); } /** * @dev xref:ROOT:kip37.adoc#batch-operations[Batched] version of {_mint}. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IKIP37Receiver-onKIP37BatchReceived} and return the * acceptance magic amount. */ function _mintBatch( address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { require(to != address(0), "KIP37: mint to the zero address"); require(ids.length == amounts.length, "KIP37: ids and amounts length mismatch"); address operator = _msgSender(); _beforeTokenTransfer(operator, address(0), to, ids, amounts, data); for (uint256 i = 0; i < ids.length; i++) { _balances[ids[i]][to] += amounts[i]; } emit TransferBatch(operator, address(0), to, ids, amounts); _afterTokenTransfer(operator, address(0), to, ids, amounts, data); _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data); } /** * @dev Destroys `amount` tokens of token type `id` from `from` * * Requirements: * * - `from` cannot be the zero address. * - `from` must have at least `amount` tokens of token type `id`. */ function _burn( address from, uint256 id, uint256 amount ) internal virtual { require(from != address(0), "KIP37: burn from the zero address"); address operator = _msgSender(); uint256[] memory ids = _asSingletonArray(id); uint256[] memory amounts = _asSingletonArray(amount); _beforeTokenTransfer(operator, from, address(0), ids, amounts, ""); uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "KIP37: burn amount exceeds balance"); unchecked { _balances[id][from] = fromBalance - amount; } emit TransferSingle(operator, from, address(0), id, amount); _afterTokenTransfer(operator, from, address(0), ids, amounts, ""); } /** * @dev xref:ROOT:kip37.adoc#batch-operations[Batched] version of {_burn}. * * Requirements: * * - `ids` and `amounts` must have the same length. */ function _burnBatch( address from, uint256[] memory ids, uint256[] memory amounts ) internal virtual { require(from != address(0), "KIP37: burn from the zero address"); require(ids.length == amounts.length, "KIP37: ids and amounts length mismatch"); address operator = _msgSender(); _beforeTokenTransfer(operator, from, address(0), ids, amounts, ""); for (uint256 i = 0; i < ids.length; i++) { uint256 id = ids[i]; uint256 amount = amounts[i]; uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "KIP37: burn amount exceeds balance"); unchecked { _balances[id][from] = fromBalance - amount; } } emit TransferBatch(operator, from, address(0), ids, amounts); _afterTokenTransfer(operator, from, address(0), ids, amounts, ""); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "KIP37: setting approval status for self"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Hook that is called before any token transfer. This includes minting * and burning, as well as batched variants. * * The same hook is called on both single and batched variants. For single * transfers, the length of the `id` and `amount` arrays will be 1. * * Calling conditions (for each `id` and `amount` pair): * * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens * of token type `id` will be transferred to `to`. * - When `from` is zero, `amount` tokens of token type `id` will be minted * for `to`. * - when `to` is zero, `amount` of ``from``'s tokens of token type `id` * will be burned. * - `from` and `to` are never both zero. * - `ids` and `amounts` have the same, non-zero length. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address, /** operator */ address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory /** data */ ) internal virtual { // checks to update circulating supply of given token IDs if (from == address(0)) { for (uint256 i = 0; i < ids.length; ++i) { _totalSupply[ids[i]] += amounts[i]; } } if (to == address(0)) { for (uint256 i = 0; i < ids.length; ++i) { uint256 id = ids[i]; uint256 amount = amounts[i]; uint256 supply = _totalSupply[id]; require(supply >= amount, "KIP37: burn amount exceeds totalSupply"); unchecked { _totalSupply[id] = supply - amount; } } } } /** * @dev Hook that is called after any token transfer. This includes minting * and burning, as well as batched variants. * * The same hook is called on both single and batched variants. For single * transfers, the length of the `id` and `amount` arrays will be 1. * * Calling conditions (for each `id` and `amount` pair): * * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens * of token type `id` will be transferred to `to`. * - When `from` is zero, `amount` tokens of token type `id` will be minted * for `to`. * - when `to` is zero, `amount` of ``from``'s tokens of token type `id` * will be burned. * - `from` and `to` are never both zero. * - `ids` and `amounts` have the same, non-zero length. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual {} function _doSafeTransferAcceptanceCheck( address operator, address from, address to, uint256 id, uint256 amount, bytes memory data ) private { require( _checkOnKIP37Received(operator, from, to, id, amount, data) || _checkOnERC1155Received(operator, from, to, id, amount, data), "KIP37: transfer to non IKIP37Receiver/IERC1155Receiver implementer" ); } function _doSafeBatchTransferAcceptanceCheck( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) private { require( _checkOnKIP37BatchReceived(operator, from, to, ids, amounts, data) || _checkOnERC1155BatchReceived(operator, from, to, ids, amounts, data), "KIP37: transfer to non IKIP37Receiver/IERC1155Receiver implementer" ); } function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) { uint256[] memory array = new uint256[](1); array[0] = element; return array; } function _checkOnKIP37Received( address operator, address from, address to, uint256 id, uint256 amount, bytes memory data ) private returns (bool) { if (to.isContract()) { try IKIP37Receiver(to).onKIP37Received(operator, from, id, amount, data) returns (bytes4 retval) { return retval == IKIP37Receiver.onKIP37Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { return false; } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } function _checkOnKIP37BatchReceived( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) private returns (bool) { if (to.isContract()) { try IKIP37Receiver(to).onKIP37BatchReceived(operator, from, ids, amounts, data) returns (bytes4 retval) { return retval == IKIP37Receiver.onKIP37BatchReceived.selector; } catch (bytes memory reason) { if (reason.length == 0) { return false; } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } function _checkOnERC1155Received( address operator, address from, address to, uint256 id, uint256 amount, bytes memory data ) private returns (bool) { if (to.isContract()) { try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 retval) { return retval == IERC1155Receiver.onERC1155Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { return false; } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } function _checkOnERC1155BatchReceived( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) private returns (bool) { if (to.isContract()) { try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns ( bytes4 retval ) { return retval == IERC1155Receiver.onERC1155BatchReceived.selector; } catch (bytes memory reason) { if (reason.length == 0) { return false; } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } } // File: contracts/KIP/token/KIP37/extensions/KIP37Supply.sol // Klaytn Contract Library v1.0.0 (KIP/token/KIP37/extensions/KIP37Supply.sol) // Based on OpenZeppelin Contracts v4.5.0 (token/ERC1155/extensions/ERC1155Supply.sol) // as per standard KIP37 totalSupply function already implemented at ../KIP31.sol thus here only implemented exists function // https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.5.0 pragma solidity ^0.8.0; /** * @dev Extension of KIP37 that adds legacy exists function. * * Useful for scenarios where Fungible and Non-fungible tokens have to be * verified that either it already exists/minted or not. */ abstract contract KIP37Supply is KIP37 { /** * @dev Indicates whether any token exist with a given id, or not. */ function exists(uint256 id) public view virtual returns (bool) { return KIP37.totalSupply(id) > 0; } } // File: contracts/KIP/token/KIP37/extensions/KIP37URIStorage.sol // Klaytn Contract Library v1.0.0 (KIP/token/KIP37/extensions/KIP37URIStorage.sol) // Based on OpenZeppelin Contracts v4.5.0 (token/ERC1155/extensions/ERC1155URIStorage.sol) // https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.5.0 pragma solidity ^0.8.0; /** * @dev KIP37 token with storage based token URI management. * Inspired by the KIP37URIStorage extension */ abstract contract KIP37URIStorage is KIP37 { using Strings for uint256; // Optional base URI string internal _baseURI = ""; // Optional mapping for token URIs mapping(uint256 => string) internal _tokenURIs; /** * @dev See {IKIP37MetadataURI-uri}. * * This implementation returns the concatenation of the `_baseURI` * and the token-specific uri if the latter is set * * This enables the following behaviors: * * - if `_tokenURIs[tokenId]` is set, then the result is the concatenation * of `_baseURI` and `_tokenURIs[tokenId]` (keep in mind that `_baseURI` * is empty per default); * * - if `_tokenURIs[tokenId]` is NOT set then we fallback to `super.uri()` * which in most cases will contain `KIP37._uri`; * * - if `_tokenURIs[tokenId]` is NOT set, and if the parents do not have a * uri value set, then the result is empty. */ function uri(uint256 tokenId) public view virtual override returns (string memory) { string memory tokenURI = _tokenURIs[tokenId]; // If token URI is set, concatenate base URI and tokenURI (via abi.encodePacked). return bytes(tokenURI).length > 0 ? string(abi.encodePacked(_baseURI, tokenURI)) : super.uri(tokenId); } /** * @dev Sets `tokenURI` as the tokenURI of `tokenId`. */ function _setURI(uint256 tokenId, string memory tokenURI) internal virtual { _tokenURIs[tokenId] = tokenURI; emit URI(uri(tokenId), tokenId); } /** * @dev Sets `baseURI` as the `_baseURI` for all tokens */ function _setBaseURI(string memory baseURI) internal virtual { _baseURI = baseURI; } } // File: contracts/KIP/token/KIP37/extensions/KIP37Mintable.sol // Klaytn Contract Library v1.0.0 (KIP/token/KIP37/extensions/KIP37Mintable.sol) pragma solidity ^0.8.0; /** * @dev Extension of KIP37 that supports permissioned token type creation and token minting * See http://kips.klaytn.com/KIPs/kip-37#minting-extension */ abstract contract KIP37Mintable is KIP37, KIP37URIStorage, IKIP37Mintable, AccessControlEnumerable { bytes32 public constant MINTER_ROLE = keccak256("KIP37_MINTER_ROLE"); mapping(uint256 => address) public creators; /** * @dev Returns true if `interfaceId` is implemented and false otherwise * * See {IKIP13} and {IERC165}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(KIP37, AccessControlEnumerable) returns (bool) { return interfaceId == type(IKIP37Mintable).interfaceId || KIP37.supportsInterface(interfaceId) || AccessControlEnumerable.supportsInterface(interfaceId); } /** * @dev See {IKIP37MetadataURI-uri}. * * This implementation returns the concatenation of the `_baseURI` * and the token-specific uri if the latter is set * * This enables the following behaviors: * * - if `_tokenURIs[tokenId]` is set, then the result is the concatenation * of `_baseURI` and `_tokenURIs[tokenId]` (keep in mind that `_baseURI` * is empty per default); * * - if `_tokenURIs[tokenId]` is NOT set then we fallback to `super.uri()` * which in most cases will contain `KIP37._uri`; * * - if `_tokenURIs[tokenId]` is NOT set, and if the parents do not have a * uri value set, then the result is empty. */ function uri(uint256 tokenId) public view virtual override(KIP37, KIP37URIStorage) returns (string memory) { return KIP37URIStorage.uri(tokenId); } /** * @dev Creates a new `id` token type and assigns the caller as owner of `initialSupply` while * setting a `uri` for this token type * * Requirements: * * - `id` must not already exist * - for this implementation, caller must have the role MINTER_ROLE * * Emits a {TransferSingle} event with 0X0 as the `from` account, for the `intialSupply` tokens * * If non zero length `uri_` is submitted, emits a {URI} event */ function create( uint256 id, uint256 initialSupply, string memory uri_ ) public virtual override onlyRole(MINTER_ROLE) returns (bool) { require(!_exists(id), "KIP37: token already created"); creators[id] = _msgSender(); _mint(_msgSender(), id, initialSupply, ""); if (bytes(uri_).length > 0) { _tokenURIs[id] = uri_; emit URI(uri_, id); } return true; } /** * @dev Mints an `amount` of new `id` tokens and assigns `to` as owner * * Emits a {TransferSingle} event with 0X0 as the `from` account, for the `amount` tokens * * Requirements: * * - `id` must exist * - `to` must not be the zero address */ function mint( uint256 id, address to, uint256 amount ) public virtual override { require(_exists(id), "KIP37: nonexistent token"); require(hasRole(MINTER_ROLE, _msgSender()), "KIP37: must have minter role to mint"); _mint(to, id, amount, ""); } /** * @dev For each item in `toList`, mints an `amount[i]` of new `id` tokens and assigns `toList[i]` as owner * * Emits multiple {TransferSingle} events with 0X0 as the `from` account, for the `amount` tokens * * Requirements: * * - `id` must exist * - each `toList[i]` must not be the zero address * - `toList` and `amounts` must have the same number of elements */ function mint( uint256 id, address[] memory toList, uint256[] memory amounts ) public virtual override { require(_exists(id), "KIP37: nonexistent token"); require(hasRole(MINTER_ROLE, _msgSender()), "KIP37: must have minter role to mint"); require(toList.length == amounts.length, "KIP37: toList and amounts length mismatch"); for (uint256 i = 0; i < toList.length; ++i) { address to = toList[i]; uint256 amount = amounts[i]; _mint(to, id, amount, ""); } } /** * @dev Mints multiple KIP37 token types `ids` in a batch and assigns the tokens according to the variables `to` and `amounts`. * * * Emits a {TransferBatch} event with 0X0 as the `from` account, for the `amount` tokens * * Requirements: * * - `to` must not be the zero address * - each`ids[i]` must exist * - `ids` and `amounts` must have the same number of elements */ function mintBatch( address to, uint256[] memory ids, uint256[] memory amounts ) public virtual override { for (uint256 i = 0; i < ids.length; ++i) { require(_exists(ids[i]), "KIP37: nonexistent token"); } require(hasRole(MINTER_ROLE, _msgSender()), "KIP37: must have minter role to mint"); _mintBatch(to, ids, amounts, ""); } /** * @dev Internal function for checking if an `id` token type has already been created */ function _exists(uint256 id) internal view returns (bool) { address creator = creators[id]; return creator != address(0); } /** * @dev Check if `account` has the assigned Minter role via {AccessControl-hasRole} */ function isMinter(address account) public view returns (bool) { return hasRole(MINTER_ROLE, account); } /** * Emits a {RoleGranted} event */ function addMinter(address account) public onlyRole(DEFAULT_ADMIN_ROLE) { grantRole(MINTER_ROLE, account); } /** * Emits a {RoleRevoked} event */ function renounceMinter() public { renounceRole(MINTER_ROLE, _msgSender()); } } // File: contracts/KIP/token/KIP37/extensions/KIP37Pausable.sol // Klaytn Contract Library v1.0.0 (KIP/token/KIP37/extensions/KIP37Pausable.sol) // Based on OpenZeppelin Contracts v4.5.0 (token/ERC1155/extensions/ERC1155Pausable.sol) // https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.5.0 pragma solidity ^0.8.0; /** * @dev KIP37 token with contract wide (or token specific) pausable token transfers, minting and burning. * * Useful for scenarios such as preventing trades until the end of an evaluation * period, or having an emergency switch for freezing all token transfers in the * event of a large bug. */ abstract contract KIP37Pausable is KIP37, AccessControlEnumerable, Pausable, IKIP37Pausable { bytes32 public constant PAUSER_ROLE = keccak256("KIP37_PAUSER_ROLE"); mapping(uint256 => bool) private _tokenPaused; /** * @dev Emitted when a token type is paused */ event TokenPaused(address account, uint256 id); /** * @dev Emitted when a token type is unpaused */ event TokenUnpaused(address account, uint256 id); /** * @dev Returns true if `interfaceId` is implemented and false otherwise * * See {IKIP13} and {IERC165}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(KIP37, AccessControlEnumerable) returns (bool) { return interfaceId == type(IKIP37Pausable).interfaceId || KIP37.supportsInterface(interfaceId) || AccessControlEnumerable.supportsInterface(interfaceId); } /** * @dev See {IKIP37Pausable-pause} * * Emits a {Paused} event. * * Requirements: * * - caller must have the {PAUSER_ROLE} */ function pause() public virtual override onlyRole(PAUSER_ROLE) { _pause(); } /** * @dev See {IKIP37Pausable-unpause} * * Emits a {Unpaused} event. * * Requirements: * * - caller must have the {PAUSER_ROLE} */ function unpause() public virtual override onlyRole(PAUSER_ROLE) { _unpause(); } /** * @dev Returns true if the contract is paused, false otherwise */ function paused() public view override(IKIP37Pausable, Pausable) returns (bool) { return Pausable.paused(); } /** * @dev Returns true if the token type `id` is paused, false otherwise */ function paused(uint256 id) public view override returns (bool) { return _tokenPaused[id]; } /** * @dev See {IKIP37Pausable-pause(uint256 id)} * * Emits a {TokenPaused} event. * * Requirements: * * - `id` must not be already paused * - caller must have the {PAUSER_ROLE} */ function pause(uint256 id) public virtual override onlyRole(PAUSER_ROLE) { require(_tokenPaused[id] == false, "KIP37Pausable: token already paused"); _tokenPaused[id] = true; emit TokenPaused(_msgSender(), id); } function unpause(uint256 id) public virtual override onlyRole(PAUSER_ROLE) { require(_tokenPaused[id] == true, "KIP37Pausable: token already unpaused"); _tokenPaused[id] = false; emit TokenUnpaused(_msgSender(), id); } /** * @dev Check if `account` has the assigned Pauser role via {AccessControl-hasRole} */ function isPauser(address _account) public view returns (bool) { return hasRole(PAUSER_ROLE, _account); } /** * Emits a {RoleGranted} event * * Requirements: * * - caller must have the {AccessControl-DEFAULT_ADMIN_ROLE} */ function addPauser(address _account) public onlyRole(DEFAULT_ADMIN_ROLE) { grantRole(PAUSER_ROLE, _account); } /** * Emits a {RoleRevoked} event */ function renouncePauser() public { renounceRole(PAUSER_ROLE, msg.sender); } /** * @dev See {KIP37-_beforeTokenTransfer}. * * Requirements: * * - the contract must not be paused. */ function _beforeTokenTransfer( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual override { super._beforeTokenTransfer(operator, from, to, ids, amounts, data); for (uint256 i = 0; i < ids.length; ++i) { uint256 id = ids[i]; require(!paused(id), "KIP37Pausable: token transfer while paused"); } require(!paused(), "KIP37Pausable: token transfer while paused"); } } // File: contracts/KIP/token/KIP37/extensions/KIP37Burnable.sol // Klaytn Contract Library v1.0.0 (KIP/token/KIP37/extensions/KIP37Burnable.sol) // Based on OpenZeppelin Contracts v4.5.0 (token/ERC1155/extensions/ERC1155Burnable.sol) // https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.5.0 pragma solidity ^0.8.0; /** * @dev Extension of {KIP37} that allows token holders to destroy both their * own tokens and those that they have been approved to use. */ abstract contract KIP37Burnable is KIP37, IKIP37Burnable { /** * @dev Returns true if `interfaceId` is implemented and false otherwise * * See {IKIP13}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IKIP37Burnable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Destroys `amount` tokens of token type `id` from `from` * See {KIP37-_burn} * Requirements: * * - `from` cannot be the zero address. * - `from` must have at least `amount` tokens of token type `id`. * * Emits a {TransferSingle} event with the 0x0 address as `to`. */ function burn( address account, uint256 id, uint256 amount ) public virtual override { require( account == _msgSender() || isApprovedForAll(account, _msgSender()), "KIP37: caller is not owner nor approved" ); _burn(account, id, amount); } /** * @dev Destroys each amount `amounts[i]` tokens of each token type `ids[i]` from `from` * See {KIP37-_burnBatch} * * Requirements: * * - `from` cannot be the zero address. * - `from` must have at least `amounts[i]` tokens of token type `ids[i]`. * - `ids` and `amounts` must have the same length. * * Emits a {TransferBatch} event with the 0x0 address as `to`. */ function burnBatch( address account, uint256[] memory ids, uint256[] memory amounts ) public virtual override { require( account == _msgSender() || isApprovedForAll(account, _msgSender()), "KIP37: caller is not owner nor approved" ); _burnBatch(account, ids, amounts); } } // File: contracts/KIP/token/KIP37/KIP37Token.sol pragma solidity ^0.8.0; contract KIP37Token is KIP37, KIP37Burnable, KIP37Mintable, KIP37Pausable, KIP37Supply, Ownable { constructor(string memory uri_) KIP37(uri_) { _setupRole(DEFAULT_ADMIN_ROLE, _msgSender()); _setupRole(MINTER_ROLE, _msgSender()); _setupRole(PAUSER_ROLE, _msgSender()); } function uri(uint256 tokenId) public view virtual override(KIP37, KIP37Mintable) returns (string memory) { return KIP37Mintable.uri(tokenId); } function _beforeTokenTransfer( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal override(KIP37, KIP37Pausable) { super._beforeTokenTransfer(operator, from, to, ids, amounts, data); } function supportsInterface(bytes4 interfaceId) public view override(KIP37, KIP37Burnable, KIP37Mintable, KIP37Pausable) returns (bool) { return KIP37Burnable.supportsInterface(interfaceId) || KIP37Mintable.supportsInterface(interfaceId) || KIP37Pausable.supportsInterface(interfaceId) || KIP37.supportsInterface(interfaceId) ; } }