文件 1 的 12：Address.sol
pragma solidity >=0.6.2 <0.8.0;
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(account) }
return size > 0;
}
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");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
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");
}
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);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
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);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
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);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
文件 2 的 12：Context.sol
pragma solidity >=0.6.0 <0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
文件 3 的 12：ERC165.sol
pragma solidity >=0.6.0 <0.8.0;
import "./IERC165.sol";
abstract contract ERC165 is IERC165 {
bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7;
mapping(bytes4 => bool) private _supportedInterfaces;
constructor () internal {
_registerInterface(_INTERFACE_ID_ERC165);
}
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return _supportedInterfaces[interfaceId];
}
function _registerInterface(bytes4 interfaceId) internal virtual {
require(interfaceId != 0xffffffff, "ERC165: invalid interface id");
_supportedInterfaces[interfaceId] = true;
}
}
文件 4 的 12：IERC1155.sol
pragma solidity >=0.6.2 <0.8.0;
import "../../introspection/IERC165.sol";
interface IERC1155 is IERC165 {
event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);
event TransferBatch(address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values);
event ApprovalForAll(address indexed account, address indexed operator, bool approved);
event URI(string value, uint256 indexed id);
function balanceOf(address account, uint256 id) external view returns (uint256);
function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids) external view returns (uint256[] memory);
function setApprovalForAll(address operator, bool approved) external;
function isApprovedForAll(address account, address operator) external view returns (bool);
function safeTransferFrom(address from, address to, uint256 id, uint256 amount, bytes calldata data) external;
function safeBatchTransferFrom(address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data) external;
}
文件 5 的 12：IERC1155MetadataURI.sol
pragma solidity >=0.6.2 <0.8.0;
import "./IERC1155.sol";
interface IERC1155MetadataURI is IERC1155 {
function uri(uint256 id) external view returns (string memory);
}
文件 6 的 12：IERC1155Receiver.sol
pragma solidity >=0.6.0 <0.8.0;
import "../../introspection/IERC165.sol";
interface IERC1155Receiver is IERC165 {
function onERC1155Received(
address operator,
address from,
uint256 id,
uint256 value,
bytes calldata data
)
external
returns(bytes4);
function onERC1155BatchReceived(
address operator,
address from,
uint256[] calldata ids,
uint256[] calldata values,
bytes calldata data
)
external
returns(bytes4);
}
文件 7 的 12：IERC165.sol
pragma solidity >=0.6.0 <0.8.0;
interface IERC165 {
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
文件 8 的 12：Ownable.sol
pragma solidity >=0.6.0 <0.8.0;
import "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
文件 9 的 12：PermitControl.sol
pragma solidity 0.7.6;
pragma experimental ABIEncoderV2;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/utils/Address.sol";
abstract contract PermitControl is Ownable {
using SafeMath for uint256;
using Address for address;
bytes32 public constant ZERO_RIGHT = hex"00000000000000000000000000000000";
bytes32 public constant UNIVERSAL = hex"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF";
bytes32 public constant MANAGER = hex"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF";
mapping (address => mapping (bytes32 => mapping (bytes32 => uint256))) public
permissions;
mapping (bytes32 => bytes32) public managerRight;
event PermitUpdated(address indexed updator, address indexed updatee,
bytes32 circumstance, bytes32 indexed role, uint256 expirationTime);
event ManagementUpdated(address indexed manager, bytes32 indexed managedRight,
bytes32 indexed managerRight);
modifier hasValidPermit(bytes32 _circumstance, bytes32 _right) {
require(_msgSender() == owner()
|| hasRightUntil(_msgSender(), _circumstance, _right) > block.timestamp,
"PermitControl: sender does not have a valid permit");
_;
}
function version() external virtual pure returns (uint256) {
return 1;
}
function hasRightUntil(address _address, bytes32 _circumstance,
bytes32 _right) public view returns (uint256) {
return permissions[_address][_circumstance][_right];
}
function setPermit(address _address, bytes32 _circumstance, bytes32 _right,
uint256 _expirationTime) external virtual hasValidPermit(UNIVERSAL,
managerRight[_right]) {
require(_right != ZERO_RIGHT,
"PermitControl: you may not grant the zero right");
permissions[_address][_circumstance][_right] = _expirationTime;
emit PermitUpdated(_msgSender(), _address, _circumstance, _right,
_expirationTime);
}
function setManagerRight(bytes32 _managedRight, bytes32 _managerRight)
external virtual hasValidPermit(UNIVERSAL, MANAGER) {
require(_managedRight != ZERO_RIGHT,
"PermitControl: you may not specify a manager for the zero right");
managerRight[_managedRight] = _managerRight;
emit ManagementUpdated(_msgSender(), _managedRight, _managerRight);
}
}
文件 10 的 12：SafeMath.sol
pragma solidity >=0.6.0 <0.8.0;
library SafeMath {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b > a) return (false, 0);
return (true, a - b);
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a / b);
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a % b);
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) return 0;
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: modulo by zero");
return a % b;
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
return a - b;
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a / b;
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a % b;
}
}
文件 11 的 12：StubProxyRegistry.sol
pragma solidity 0.7.6;
pragma experimental ABIEncoderV2;
abstract contract StubProxyRegistry {
mapping(address => address) public proxies;
}
文件 12 的 12：Super1155.sol
pragma solidity 0.7.6;
pragma experimental ABIEncoderV2;
import "@openzeppelin/contracts/introspection/ERC165.sol";
import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import "@openzeppelin/contracts/token/ERC1155/IERC1155MetadataURI.sol";
import "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "./access/PermitControl.sol";
import "./proxy/StubProxyRegistry.sol";
contract Super1155 is PermitControl, ERC165, IERC1155, IERC1155MetadataURI {
using Address for address;
using SafeMath for uint256;
bytes32 public constant SET_URI = keccak256("SET_URI");
bytes32 public constant SET_PROXY_REGISTRY = keccak256("SET_PROXY_REGISTRY");
bytes32 public constant CONFIGURE_GROUP = keccak256("CONFIGURE_GROUP");
bytes32 public constant MINT = keccak256("MINT");
bytes32 public constant BURN = keccak256("BURN");
bytes32 public constant SET_METADATA = keccak256("SET_METADATA");
bytes32 public constant LOCK_URI = keccak256("LOCK_URI");
bytes32 public constant LOCK_ITEM_URI = keccak256("LOCK_ITEM_URI");
bytes32 public constant LOCK_CREATION = keccak256("LOCK_CREATION");
bytes4 private constant INTERFACE_ERC1155 = 0xd9b67a26;
bytes4 private constant INTERFACE_ERC1155_METADATA_URI = 0x0e89341c;
uint256 private constant GROUP_MASK = uint256(uint128(~0)) << 128;
string public name;
string public metadataUri;
address public proxyRegistryAddress;
mapping (uint256 => mapping(address => uint256)) private balances;
mapping (uint256 => mapping(address => uint256)) public groupBalances;
mapping(address => uint256) public totalBalances;
mapping (address => mapping(address => bool)) private operatorApprovals;
enum SupplyType {
Capped,
Uncapped,
Flexible
}
enum ItemType {
Nonfungible,
Fungible,
Semifungible
}
enum BurnType {
None,
Burnable,
Replenishable
}
struct ItemGroupInput {
string name;
SupplyType supplyType;
uint256 supplyData;
ItemType itemType;
uint256 itemData;
BurnType burnType;
uint256 burnData;
}
struct ItemGroup {
bool initialized;
string name;
SupplyType supplyType;
uint256 supplyData;
ItemType itemType;
uint256 itemData;
BurnType burnType;
uint256 burnData;
uint256 circulatingSupply;
uint256 mintCount;
uint256 burnCount;
}
mapping (uint256 => ItemGroup) public itemGroups;
mapping (uint256 => uint256) public circulatingSupply;
mapping (uint256 => uint256) public mintCount;
mapping (uint256 => uint256) public burnCount;
mapping (uint256 => bool) public metadataFrozen;
mapping (uint256 => string) public metadata;
bool public uriLocked;
bool public locked;
event ChangeURI(string indexed oldURI, string indexed newURI);
event ChangeProxyRegistry(address indexed oldRegistry,
address indexed newRegistry);
event ItemGroupConfigured(address indexed manager, uint256 groupId,
ItemGroupInput indexed newGroup);
event CollectionLocked(address indexed locker);
event MetadataChanged(address indexed changer, uint256 indexed id,
string oldMetadata, string indexed newMetadata);
event PermanentURI(string _value, uint256 indexed _id);
modifier hasItemRight(uint256 _id, bytes32 _right) {
uint256 groupId = (_id & GROUP_MASK) >> 128;
if (_msgSender() == owner()) {
_;
} else if (hasRightUntil(_msgSender(), UNIVERSAL, _right)
> block.timestamp) {
_;
} else if (hasRightUntil(_msgSender(), bytes32(groupId), _right)
> block.timestamp) {
_;
} else if (hasRightUntil(_msgSender(), bytes32(_id), _right)
> block.timestamp) {
_;
}
}
constructor(address _owner, string memory _name, string memory _uri,
address _proxyRegistryAddress) public {
_registerInterface(INTERFACE_ERC1155);
_registerInterface(INTERFACE_ERC1155_METADATA_URI);
if (_owner != owner()) {
transferOwnership(_owner);
}
name = _name;
metadataUri = _uri;
proxyRegistryAddress = _proxyRegistryAddress;
}
function version() external virtual override pure returns (uint256) {
return 1;
}
function uri(uint256) external override view returns (string memory) {
return metadataUri;
}
function setURI(string calldata _uri) external virtual
hasValidPermit(UNIVERSAL, SET_URI) {
require(!uriLocked,
"Super1155: the collection URI has been permanently locked");
string memory oldURI = metadataUri;
metadataUri = _uri;
emit ChangeURI(oldURI, _uri);
}
function setProxyRegistry(address _proxyRegistryAddress) external virtual
hasValidPermit(UNIVERSAL, SET_PROXY_REGISTRY) {
address oldRegistry = proxyRegistryAddress;
proxyRegistryAddress = _proxyRegistryAddress;
emit ChangeProxyRegistry(oldRegistry, _proxyRegistryAddress);
}
function balanceOf(address _owner, uint256 _id) public override view virtual
returns (uint256) {
require(_owner != address(0),
"ERC1155: balance query for the zero address");
return balances[_id][_owner];
}
function balanceOfBatch(address[] calldata _owners, uint256[] calldata _ids)
external override view virtual returns (uint256[] memory) {
require(_owners.length == _ids.length,
"ERC1155: accounts 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;
}
function isApprovedForAll(address _owner, address _operator) public override
view virtual returns (bool) {
StubProxyRegistry proxyRegistry = StubProxyRegistry(proxyRegistryAddress);
if (address(proxyRegistry.proxies(_owner)) == _operator) {
return true;
}
return operatorApprovals[_owner][_operator];
}
function setApprovalForAll(address _operator, bool _approved) external
override virtual {
require(_msgSender() != _operator,
"ERC1155: setting approval status for self");
operatorApprovals[_msgSender()][_operator] = _approved;
emit ApprovalForAll(_msgSender(), _operator, _approved);
}
function _asSingletonArray(uint256 _element) private pure
returns (uint256[] memory) {
uint256[] memory array = new uint256[](1);
array[0] = _element;
return array;
}
function _beforeTokenTransfer(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 calldata _data) private {
if (_to.isContract()) {
try IERC1155Receiver(_to).onERC1155Received(_operator, _from, _id,
_amount, _data) returns (bytes4 response) {
if (response != IERC1155Receiver(_to).onERC1155Received.selector) {
revert("ERC1155: ERC1155Receiver rejected tokens");
}
} catch Error(string memory reason) {
revert(reason);
} catch {
revert("ERC1155: transfer to non ERC1155Receiver implementer");
}
}
}
function safeTransferFrom(address _from, address _to, uint256 _id,
uint256 _amount, bytes calldata _data) external override virtual {
require(_to != address(0),
"ERC1155: transfer to the zero address");
require(_from == _msgSender() || isApprovedForAll(_from, _msgSender()),
"ERC1155: caller is not owner nor approved");
address operator = _msgSender();
_beforeTokenTransfer(operator, _from, _to, _asSingletonArray(_id),
_asSingletonArray(_amount), _data);
uint256 shiftedGroupId = (_id & GROUP_MASK);
uint256 groupId = shiftedGroupId >> 128;
balances[_id][_from] = balances[_id][_from].sub(_amount,
"ERC1155: insufficient balance for transfer");
balances[_id][_to] = balances[_id][_to].add(_amount);
groupBalances[groupId][_from] = groupBalances[groupId][_from].sub(_amount);
groupBalances[groupId][_to] = groupBalances[groupId][_to].add(_amount);
totalBalances[_from] = totalBalances[_from].sub(_amount);
totalBalances[_to] = totalBalances[_to].add(_amount);
emit TransferSingle(operator, _from, _to, _id, _amount);
_doSafeTransferAcceptanceCheck(operator, _from, _to, _id, _amount, _data);
}
function _doSafeBatchTransferAcceptanceCheck(address _operator, address _from,
address _to, uint256[] memory _ids, uint256[] memory _amounts, bytes memory
_data) private {
if (_to.isContract()) {
try IERC1155Receiver(_to).onERC1155BatchReceived(_operator, _from, _ids,
_amounts, _data) returns (bytes4 response) {
if (response != IERC1155Receiver(_to).onERC1155BatchReceived.selector) {
revert("ERC1155: ERC1155Receiver rejected tokens");
}
} catch Error(string memory reason) {
revert(reason);
} catch {
revert("ERC1155: transfer to non ERC1155Receiver implementer");
}
}
}
function safeBatchTransferFrom(address _from, address _to,
uint256[] memory _ids, uint256[] memory _amounts, bytes memory _data)
external override virtual {
require(_ids.length == _amounts.length,
"ERC1155: ids and amounts length mismatch");
require(_to != address(0),
"ERC1155: transfer to the zero address");
require(_from == _msgSender() || isApprovedForAll(_from, _msgSender()),
"ERC1155: caller is not owner nor approved");
_beforeTokenTransfer(_msgSender(), _from, _to, _ids, _amounts, _data);
for (uint256 i = 0; i < _ids.length; ++i) {
uint256 groupId = (_ids[i] & GROUP_MASK) >> 128;
balances[_ids[i]][_from] = balances[_ids[i]][_from].sub(_amounts[i],
"ERC1155: insufficient balance for transfer");
balances[_ids[i]][_to] = balances[_ids[i]][_to].add(_amounts[i]);
groupBalances[groupId][_from] = groupBalances[groupId][_from]
.sub(_amounts[i]);
groupBalances[groupId][_to] = groupBalances[groupId][_to]
.add(_amounts[i]);
totalBalances[_from] = totalBalances[_from].sub(_amounts[i]);
totalBalances[_to] = totalBalances[_to].add(_amounts[i]);
}
emit TransferBatch(_msgSender(), _from, _to, _ids, _amounts);
_doSafeBatchTransferAcceptanceCheck(_msgSender(), _from, _to, _ids,
_amounts, _data);
}
function configureGroup(uint256 _groupId, ItemGroupInput calldata _data)
external virtual hasItemRight(_groupId, CONFIGURE_GROUP) {
require(_groupId != 0,
"Super1155: group ID 0 is invalid");
if (!itemGroups[_groupId].initialized) {
require(!locked,
"Super1155: the collection is locked so groups cannot be created");
itemGroups[_groupId] = ItemGroup({
initialized: true,
name: _data.name,
supplyType: _data.supplyType,
supplyData: _data.supplyData,
itemType: _data.itemType,
itemData: _data.itemData,
burnType: _data.burnType,
burnData: _data.burnData,
circulatingSupply: 0,
mintCount: 0,
burnCount: 0
});
} else {
itemGroups[_groupId].name = _data.name;
if (itemGroups[_groupId].supplyType == SupplyType.Capped) {
require(_data.supplyType == SupplyType.Capped,
"Super1155: you may not uncap a capped supply type");
require(_data.supplyData <= itemGroups[_groupId].supplyData,
"Super1155: you may not increase the supply of a capped type");
} else {
itemGroups[_groupId].supplyType = _data.supplyType;
}
require(_data.supplyData >= itemGroups[_groupId].circulatingSupply,
"Super1155: you may not decrease supply below the circulating amount");
itemGroups[_groupId].supplyData = _data.supplyData;
if (itemGroups[_groupId].itemType == ItemType.Nonfungible) {
require(_data.itemType == ItemType.Nonfungible,
"Super1155: you may not alter nonfungible items");
} else if (itemGroups[_groupId].itemType == ItemType.Semifungible) {
require(_data.itemType == ItemType.Semifungible,
"Super1155: you may not alter nonfungible items");
} else if (itemGroups[_groupId].itemType == ItemType.Fungible) {
if (_data.itemType == ItemType.Nonfungible) {
require(itemGroups[_groupId].circulatingSupply <= 1,
"Super1155: the fungible item is not unique enough to change");
itemGroups[_groupId].itemType = ItemType.Nonfungible;
} else if (_data.itemType == ItemType.Semifungible) {
require(itemGroups[_groupId].circulatingSupply <= _data.itemData,
"Super1155: the fungible item is not unique enough to change");
itemGroups[_groupId].itemType = ItemType.Semifungible;
itemGroups[_groupId].itemData = _data.itemData;
}
}
}
emit ItemGroupConfigured(_msgSender(), _groupId, _data);
}
function _hasItemRight(uint256 _id, bytes32 _right) private view
returns (bool) {
uint256 groupId = (_id & GROUP_MASK) >> 128;
if (_msgSender() == owner()) {
return true;
} else if (hasRightUntil(_msgSender(), UNIVERSAL, _right)
> block.timestamp) {
return true;
} else if (hasRightUntil(_msgSender(), bytes32(groupId), _right)
> block.timestamp) {
return true;
} else if (hasRightUntil(_msgSender(), bytes32(_id), _right)
> block.timestamp) {
return true;
} else {
return false;
}
}
function _mintChecker(uint256 _id, uint256 _amount) private view
returns (uint256) {
uint256 shiftedGroupId = (_id & GROUP_MASK);
uint256 groupId = shiftedGroupId >> 128;
require(itemGroups[groupId].initialized,
"Super1155: you cannot mint a non-existent item group");
uint256 currentGroupSupply = itemGroups[groupId].mintCount;
uint256 currentItemSupply = mintCount[_id];
if (itemGroups[groupId].burnType == BurnType.Replenishable) {
currentGroupSupply = itemGroups[groupId].circulatingSupply;
currentItemSupply = circulatingSupply[_id];
}
if (itemGroups[groupId].supplyType != SupplyType.Uncapped) {
require(currentGroupSupply.add(_amount) <= itemGroups[groupId].supplyData,
"Super1155: you cannot mint a group beyond its cap");
}
if (itemGroups[groupId].itemType == ItemType.Nonfungible) {
require(currentItemSupply.add(_amount) <= 1,
"Super1155: you cannot mint more than a single nonfungible item");
} else if (itemGroups[groupId].itemType == ItemType.Semifungible) {
require(currentItemSupply.add(_amount) <= itemGroups[groupId].itemData,
"Super1155: you cannot mint more than the alloted semifungible items");
}
uint256 mintedItemId = _id;
if (itemGroups[groupId].itemType == ItemType.Fungible) {
mintedItemId = shiftedGroupId.add(1);
}
return mintedItemId;
}
function mintBatch(address _recipient, uint256[] calldata _ids,
uint256[] calldata _amounts, bytes calldata _data)
external virtual {
require(_recipient != address(0),
"ERC1155: mint to the zero address");
require(_ids.length == _amounts.length,
"ERC1155: ids and amounts length mismatch");
address operator = _msgSender();
_beforeTokenTransfer(operator, address(0), _recipient, _ids, _amounts,
_data);
for (uint256 i = 0; i < _ids.length; i++) {
require(_hasItemRight(_ids[i], MINT),
"Super1155: you do not have the right to mint that item");
uint256 shiftedGroupId = (_ids[i] & GROUP_MASK);
uint256 groupId = shiftedGroupId >> 128;
uint256 mintedItemId = _mintChecker(_ids[i], _amounts[i]);
balances[mintedItemId][_recipient] = balances[mintedItemId][_recipient]
.add(_amounts[i]);
groupBalances[groupId][_recipient] = groupBalances[groupId][_recipient]
.add(_amounts[i]);
totalBalances[_recipient] = totalBalances[_recipient].add(_amounts[i]);
mintCount[mintedItemId] = mintCount[mintedItemId].add(_amounts[i]);
circulatingSupply[mintedItemId] = circulatingSupply[mintedItemId]
.add(_amounts[i]);
itemGroups[groupId].mintCount = itemGroups[groupId].mintCount
.add(_amounts[i]);
itemGroups[groupId].circulatingSupply =
itemGroups[groupId].circulatingSupply.add(_amounts[i]);
}
emit TransferBatch(operator, address(0), _recipient, _ids, _amounts);
_doSafeBatchTransferAcceptanceCheck(operator, address(0), _recipient, _ids,
_amounts, _data);
}
function _burnChecker(uint256 _id, uint256 _amount) private view
returns (uint256) {
uint256 shiftedGroupId = (_id & GROUP_MASK);
uint256 groupId = shiftedGroupId >> 128;
require(itemGroups[groupId].initialized,
"Super1155: you cannot burn a non-existent item group");
if (itemGroups[groupId].burnType == BurnType.Burnable) {
require(itemGroups[groupId].burnCount.add(_amount)
<= itemGroups[groupId].burnData,
"Super1155: you may not exceed the burn limit on this item group");
}
uint256 burntItemId = _id;
if (itemGroups[groupId].itemType == ItemType.Fungible) {
burntItemId = shiftedGroupId.add(1);
}
return burntItemId;
}
function burn(address _burner, uint256 _id, uint256 _amount)
external virtual hasItemRight(_id, BURN) {
require(_burner != address(0),
"ERC1155: burn from the zero address");
uint256 shiftedGroupId = (_id & GROUP_MASK);
uint256 groupId = shiftedGroupId >> 128;
uint256 burntItemId = _burnChecker(_id, _amount);
address operator = _msgSender();
_beforeTokenTransfer(operator, _burner, address(0),
_asSingletonArray(burntItemId), _asSingletonArray(_amount), "");
balances[burntItemId][_burner] = balances[burntItemId][_burner]
.sub(_amount,
"ERC1155: burn amount exceeds balance");
groupBalances[groupId][_burner] = groupBalances[groupId][_burner]
.sub(_amount);
totalBalances[_burner] = totalBalances[_burner].sub(_amount);
burnCount[burntItemId] = burnCount[burntItemId].add(_amount);
circulatingSupply[burntItemId] = circulatingSupply[burntItemId]
.sub(_amount);
itemGroups[groupId].burnCount = itemGroups[groupId].burnCount.add(_amount);
itemGroups[groupId].circulatingSupply =
itemGroups[groupId].circulatingSupply.sub(_amount);
emit TransferSingle(operator, _burner, address(0), _id, _amount);
}
function burnBatch(address _burner, uint256[] memory _ids,
uint256[] memory _amounts) external virtual {
require(_burner != address(0),
"ERC1155: burn from the zero address");
require(_ids.length == _amounts.length,
"ERC1155: ids and amounts length mismatch");
address operator = _msgSender();
_beforeTokenTransfer(operator, _burner, address(0), _ids, _amounts, "");
for (uint i = 0; i < _ids.length; i++) {
require(_hasItemRight(_ids[i], BURN),
"Super1155: you do not have the right to burn that item");
uint256 shiftedGroupId = (_ids[i] & GROUP_MASK);
uint256 groupId = shiftedGroupId >> 128;
uint256 burntItemId = _burnChecker(_ids[i], _amounts[i]);
balances[burntItemId][_burner] = balances[burntItemId][_burner]
.sub(_amounts[i],
"ERC1155: burn amount exceeds balance");
groupBalances[groupId][_burner] = groupBalances[groupId][_burner]
.sub(_amounts[i]);
totalBalances[_burner] = totalBalances[_burner].sub(_amounts[i]);
burnCount[burntItemId] = burnCount[burntItemId].add(_amounts[i]);
circulatingSupply[burntItemId] = circulatingSupply[burntItemId]
.sub(_amounts[i]);
itemGroups[groupId].burnCount = itemGroups[groupId].burnCount
.add(_amounts[i]);
itemGroups[groupId].circulatingSupply =
itemGroups[groupId].circulatingSupply.sub(_amounts[i]);
}
emit TransferBatch(operator, _burner, address(0), _ids, _amounts);
}
function setMetadata(uint256 _id, string memory _metadata)
external hasItemRight(_id, SET_METADATA) {
require(!uriLocked && !metadataFrozen[_id],
"Super1155: you cannot edit this metadata because it is frozen");
string memory oldMetadata = metadata[_id];
metadata[_id] = _metadata;
emit MetadataChanged(_msgSender(), _id, oldMetadata, _metadata);
}
function lockURI(string calldata _uri) external
hasValidPermit(UNIVERSAL, LOCK_URI) {
string memory oldURI = metadataUri;
metadataUri = _uri;
emit ChangeURI(oldURI, _uri);
uriLocked = true;
emit PermanentURI(_uri, 2 ** 256 - 1);
}
function lockURI(string calldata _uri, uint256 _id) external
hasItemRight(_id, LOCK_ITEM_URI) {
metadataFrozen[_id] = true;
emit PermanentURI(_uri, _id);
}
function lock() external virtual hasValidPermit(UNIVERSAL, LOCK_CREATION) {
locked = true;
emit CollectionLocked(_msgSender());
}
}
{
"compilationTarget": {
"contracts/Super1155.sol": "Super1155"
},
"evmVersion": "istanbul",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 0
},
"remappings": []
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