zellic-audit
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// This contract is part of Zellic’s smart contract dataset, which is a collection of publicly available contract code gathered as of March 2023.
// SPDX-License-Identifier: MIT
/**
* @title ERC1155 Token
* @author 0xSumo
* @sponsored by PBADAO
*/
pragma solidity ^0.8.0;
interface ERC1155TokenReceiver {
function onERC1155Received(address operator_, address from_, uint256 id_, uint256 amount_, bytes calldata data_) external returns (bytes4);
function onERC1155BatchReceived(address operator_, address from_, uint256[] calldata ids_, uint256[] calldata amounts_, bytes calldata data_) external returns (bytes4);
}
abstract contract ERC1155Enumerable {
string public name;
string public symbol;
constructor(string memory name_, string memory symbol_) {
name = name_;
symbol = symbol_;
}
event TransferSingle(address indexed operator_, address indexed from_, address indexed to_, uint256 id_, uint256 amount_);
event TransferBatch(address indexed operator_, address indexed from_, address indexed to_, uint256[] ids_, uint256[] amounts_);
event ApprovalForAll(address indexed owner_, address indexed operator_, bool approved_);
event URI(string value_, uint256 indexed id_);
mapping(address => mapping(uint256 => uint256)) public balanceOf;
mapping(address => mapping(address => bool)) public isApprovedForAll;
mapping(uint256 => address[]) public tokenToOwners;
mapping(uint256 => mapping(address => uint256)) public tokenToOwnersToIndex;
struct TokenBalances {
address owner;
uint256 balance;
}
function _addEnumerableData(address address_, uint256 id_) internal {
if (balanceOf[address_][id_] == 0) {
uint256 _nextIndex = tokenToOwners[id_].length;
tokenToOwners[id_].push(address_);
tokenToOwnersToIndex[id_][address_] = _nextIndex;
}
}
function _removeEnumerableData(address address_, uint256 id_) internal {
if (balanceOf[address_][id_] == 0) {
uint256 _userIndex = tokenToOwnersToIndex[id_][address_];
uint256 _lastIndex = tokenToOwners[id_].length - 1;
if (_userIndex != _lastIndex) {
address _userAtLastIndex = tokenToOwners[id_][_lastIndex];
tokenToOwners[id_][_userIndex] = _userAtLastIndex;
tokenToOwnersToIndex[id_][_userAtLastIndex] = _userIndex;
}
tokenToOwners[id_].pop();
delete tokenToOwnersToIndex[id_][address_];
}
}
function getOwnersOfTokenId(uint256 id_) public view returns (address[] memory) {
return tokenToOwners[id_];
}
function getOwnersOfTokenIdAndBalance(uint256 id_) public view returns (TokenBalances[] memory) {
address[] memory _owners = getOwnersOfTokenId(id_);
uint256 _ownersLength = _owners.length;
TokenBalances[] memory _TokenBalancesAll = new TokenBalances[] (_ownersLength);
for (uint256 i = 0; i < _ownersLength; i++) {
address _currentOwner = _owners[i];
_TokenBalancesAll[i] = TokenBalances(
_currentOwner,
balanceOf[_currentOwner][id_]
);
}
return _TokenBalancesAll;
}
function getTotalSupplyOfIds(uint256[] calldata ids_) public view returns (uint256) {
uint256 _tokens;
for (uint256 i = 0; i < ids_.length; i++) {
_tokens += getOwnersOfTokenId(ids_[i]).length;
}
return _tokens;
}
function uri(uint256 id) public view virtual returns (string memory);
function _isSameLength(uint256 a, uint256 b) internal pure returns (bool) {
return a == b;
}
function _isApprovedOrOwner(address from_) internal view returns (bool) {
return msg.sender == from_ || isApprovedForAll[from_][msg.sender];
}
function _ERC1155Supported(address from_, address to_, uint256 id_, uint256 amount_, bytes memory data_) internal {
require(to_.code.length == 0 ? to_ != address(0) :
ERC1155TokenReceiver(to_).onERC1155Received(
msg.sender, from_, id_, amount_, data_) ==
ERC1155TokenReceiver.onERC1155Received.selector,
"_ERC1155Supported(): Unsupported Recipient!"
);
}
function _ERC1155BatchSupported(address from_, address to_, uint256[] memory ids_, uint256[] memory amounts_, bytes memory data_) internal {
require(to_.code.length == 0 ? to_ != address(0) :
ERC1155TokenReceiver(to_).onERC1155BatchReceived(
msg.sender, from_, ids_, amounts_, data_) ==
ERC1155TokenReceiver.onERC1155BatchReceived.selector,
"_ERC1155BatchSupported(): Unsupported Recipient!"
);
}
function setApprovalForAll(address operator_, bool approved_) public virtual {
isApprovedForAll[msg.sender][operator_] = approved_;
emit ApprovalForAll(msg.sender, operator_, approved_);
}
function _transfer(address from_, address to_, uint256 id_, uint256 amount_) internal {
_addEnumerableData(to_, id_);
balanceOf[to_][id_] += amount_;
balanceOf[from_][id_] -= amount_;
_removeEnumerableData(from_, id_);
}
function safeTransferFrom(address from_, address to_, uint256 id_, uint256 amount_, bytes memory data_) public virtual {
require(_isApprovedOrOwner(from_));
_transfer(from_, to_, id_, amount_);
emit TransferSingle(msg.sender, from_, to_, id_, amount_);
_ERC1155Supported(from_, to_, id_, amount_, data_);
}
function safeBatchTransferFrom(address from_, address to_, uint256[] memory ids_, uint256[] memory amounts_, bytes memory data_) public virtual {
require(_isSameLength(ids_.length, amounts_.length));
require(_isApprovedOrOwner(from_));
for (uint256 i = 0; i < ids_.length; i++) {
_transfer(from_, to_, ids_[i], amounts_[i]);
}
emit TransferBatch(msg.sender, from_, to_, ids_, amounts_);
_ERC1155BatchSupported(from_, to_, ids_, amounts_, data_);
}
function _mintInternal(address to_, uint256 id_, uint256 amount_) internal {
_addEnumerableData(to_, id_);
balanceOf[to_][id_] += amount_;
}
function _mint(address to_, uint256 id_, uint256 amount_, bytes memory data_) internal {
_mintInternal(to_, id_, amount_);
emit TransferSingle(msg.sender, address(0), to_, id_, amount_);
_ERC1155Supported(address(0), to_, id_, amount_, data_);
}
function _batchMint(address to_, uint256[] memory ids_, uint256[] memory amounts_, bytes memory data_) internal {
require(_isSameLength(ids_.length, amounts_.length));
for (uint256 i = 0; i < ids_.length; i++) {
_mintInternal(to_, ids_[i], amounts_[i]);
}
emit TransferBatch(msg.sender, address(0), to_, ids_, amounts_);
_ERC1155BatchSupported(address(0), to_, ids_, amounts_, data_);
}
function _burnInternal(address from_, uint256 id_, uint256 amount_) internal {
balanceOf[from_][id_] -= amount_;
_removeEnumerableData(from_, id_);
}
function _burn(address from_, uint256 id_, uint256 amount_) internal {
_burnInternal(from_, id_, amount_);
emit TransferSingle(msg.sender, from_, address(0), id_, amount_);
}
function _batchBurn(address from_, uint256[] memory ids_, uint256[] memory amounts_) internal {
require(_isSameLength(ids_.length, amounts_.length));
for (uint256 i = 0; i < ids_.length; i++) {
_burnInternal(from_, ids_[i], amounts_[i]);
}
emit TransferBatch(msg.sender, from_, address(0), ids_, amounts_);
}
function supportsInterface(bytes4 interfaceId_) public pure virtual returns (bool) {
return interfaceId_ == 0x01ffc9a7 || interfaceId_ == 0xd9b67a26 || interfaceId_ == 0x0e89341c;
}
function balanceOfBatch(address[] memory owners_, uint256[] memory ids_) public view virtual returns (uint256[] memory) {
require(_isSameLength(owners_.length, ids_.length));
uint256[] memory _balances = new uint256[](owners_.length);
for (uint256 i = 0; i < owners_.length; i++) {
_balances[i] = balanceOf[owners_[i]][ids_[i]];
}
return _balances;
}
}
interface IOperatorFilterRegistry {
function isOperatorAllowed(address registrant, address operator) external view returns (bool);
function register(address registrant) external;
function registerAndSubscribe(address registrant, address subscription) external;
function registerAndCopyEntries(address registrant, address registrantToCopy) external;
function unregister(address addr) external;
function updateOperator(address registrant, address operator, bool filtered) external;
function updateOperators(address registrant, address[] calldata operators, bool filtered) external;
function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;
function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;
function subscribe(address registrant, address registrantToSubscribe) external;
function unsubscribe(address registrant, bool copyExistingEntries) external;
function subscriptionOf(address addr) external returns (address registrant);
function subscribers(address registrant) external returns (address[] memory);
function subscriberAt(address registrant, uint256 index) external returns (address);
function copyEntriesOf(address registrant, address registrantToCopy) external;
function isOperatorFiltered(address registrant, address operator) external returns (bool);
function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);
function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);
function filteredOperators(address addr) external returns (address[] memory);
function filteredCodeHashes(address addr) external returns (bytes32[] memory);
function filteredOperatorAt(address registrant, uint256 index) external returns (address);
function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);
function isRegistered(address addr) external returns (bool);
function codeHashOf(address addr) external returns (bytes32);
}
abstract contract OperatorFilterer {
error OperatorNotAllowed(address operator);
IOperatorFilterRegistry constant operatorFilterRegistry =
IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);
constructor(address subscriptionOrRegistrantToCopy, bool subscribe) {
// If an inheriting token contract is deployed to a network without the registry deployed, the modifier
// will not revert, but the contract will need to be registered with the registry once it is deployed in
// order for the modifier to filter addresses.
if (address(operatorFilterRegistry).code.length > 0) {
if (subscribe) {
operatorFilterRegistry.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);
} else {
if (subscriptionOrRegistrantToCopy != address(0)) {
operatorFilterRegistry.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);
} else {
operatorFilterRegistry.register(address(this));
}
}
}
}
modifier onlyAllowedOperator(address from) virtual {
// Check registry code length to facilitate testing in environments without a deployed registry.
if (address(operatorFilterRegistry).code.length > 0) {
// Allow spending tokens from addresses with balance
// Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred
// from an EOA.
if (from == msg.sender) {
_;
return;
}
if (
!(
operatorFilterRegistry.isOperatorAllowed(address(this), msg.sender)
&& operatorFilterRegistry.isOperatorAllowed(address(this), from)
)
) {
revert OperatorNotAllowed(msg.sender);
}
}
_;
}
}
abstract contract Ownable {
address public owner;
constructor() { owner = msg.sender; }
modifier onlyOwner { require(owner == msg.sender, "Not Owner!"); _; }
function transferOwnership(address new_) external onlyOwner { owner = new_; }
}
interface IRender {
function tokenURI(uint256 id_) external view returns (string memory);
}
contract StellarEDGELab is ERC1155Enumerable, Ownable, OperatorFilterer {
bool public use;
IRender private Render;
mapping(address => bool) public admin;
mapping(uint256 => string) public tokenToURI;
modifier onlyAdmin { require(admin[msg.sender], "Not Admin"); _; }
constructor() ERC1155Enumerable("StellarEDGELab", "SELab") OperatorFilterer(address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6), true) {}
function amdinMint(address to_, uint256 id_, uint256 amount_, bytes memory data_) external onlyAdmin {
_mint(to_, id_, amount_, data_);
}
function amdinBurn(address from_, uint256 id_, uint256 amount_) external onlyAdmin {
_burn(from_, id_, amount_);
}
function setTokenToURI(uint256 tokenId_, string calldata uri_) external onlyAdmin {
tokenToURI[tokenId_] = uri_;
}
function setRender(address _address) external onlyOwner {
Render = IRender(_address);
}
function setUse(bool bool_) external onlyOwner {
use = bool_;
}
function setAdmin(address address_, bool bool_) external onlyOwner {
admin[address_] = bool_;
}
function uri(uint256 id_) public view override returns (string memory) {
if (!use) {
return tokenToURI[id_];
} else {
return Render.tokenURI(id_);
}
}
function safeTransferFrom(address from, address to, uint256 tokenId, uint256 amount, bytes memory data)
public
override
onlyAllowedOperator(from)
{
super.safeTransferFrom(from, to, tokenId, amount, data);
}
function safeBatchTransferFrom(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) public virtual override onlyAllowedOperator(from) {
super.safeBatchTransferFrom(from, to, ids, amounts, data);
}
}