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// 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) ;
}
}
