Overview
TokenID
0
Total Transfers
-
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract
Loading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Minimal Proxy Contract for 0x7bd35ee66c32edd5a04c508525c32731c6ba31cb
Contract Name:
Pack_OSRoyaltyFilter
Compiler Version
v0.8.12+commit.f00d7308
Optimization Enabled:
Yes with 1 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.11; // ========== External imports ========== import "@openzeppelin/contracts-upgradeable/token/ERC1155/extensions/ERC1155PausableUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; import "@openzeppelin/contracts-upgradeable/utils/MulticallUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol"; import "@openzeppelin/contracts/interfaces/IERC721Receiver.sol"; import { IERC1155Receiver } from "@openzeppelin/contracts/interfaces/IERC1155Receiver.sol"; // ========== Internal imports ========== import "../interfaces/IPack.sol"; import "../openzeppelin-presets/metatx/ERC2771ContextUpgradeable.sol"; // ========== Features ========== import "../extension/ContractMetadata.sol"; import "../extension/Royalty.sol"; import "../extension/Ownable.sol"; import "../extension/PermissionsEnumerable.sol"; import "../extension/DefaultOperatorFiltererUpgradeable.sol"; import { TokenStore, ERC1155Receiver } from "../extension/TokenStore.sol"; contract Pack_OSRoyaltyFilter is Initializable, ContractMetadata, Ownable, Royalty, PermissionsEnumerable, TokenStore, ReentrancyGuardUpgradeable, ERC2771ContextUpgradeable, MulticallUpgradeable, DefaultOperatorFiltererUpgradeable, ERC1155Upgradeable, IPack { /*/////////////////////////////////////////////////////////////// State variables //////////////////////////////////////////////////////////////*/ bytes32 private constant MODULE_TYPE = bytes32("Pack_OSRoyaltyFilter"); uint256 private constant VERSION = 2; address private immutable forwarder; // Token name string public name; // Token symbol string public symbol; /// @dev Only transfers to or from TRANSFER_ROLE holders are valid, when transfers are restricted. bytes32 private transferRole; /// @dev Only MINTER_ROLE holders can create packs. bytes32 private minterRole; /// @dev Only assets with ASSET_ROLE can be packed, when packing is restricted to particular assets. bytes32 private assetRole; /// @dev The token Id of the next set of packs to be minted. uint256 public nextTokenIdToMint; /*/////////////////////////////////////////////////////////////// Mappings //////////////////////////////////////////////////////////////*/ /// @dev Mapping from token ID => total circulating supply of token with that ID. mapping(uint256 => uint256) public totalSupply; /// @dev Mapping from pack ID => The state of that set of packs. mapping(uint256 => PackInfo) private packInfo; /// @dev Checks if pack-creator allowed to add more tokens to a packId; set to false after first transfer mapping(uint256 => bool) public canUpdatePack; /*/////////////////////////////////////////////////////////////// Constructor + initializer logic //////////////////////////////////////////////////////////////*/ constructor(address _nativeTokenWrapper, address _trustedForwarder) TokenStore(_nativeTokenWrapper) initializer { forwarder = _trustedForwarder; } /// @dev Initiliazes the contract, like a constructor. function initialize( address _defaultAdmin, string memory _name, string memory _symbol, string memory _contractURI, address[] memory _trustedForwarders, address _royaltyRecipient, uint256 _royaltyBps ) external initializer { bytes32 _transferRole = keccak256("TRANSFER_ROLE"); bytes32 _minterRole = keccak256("MINTER_ROLE"); bytes32 _assetRole = keccak256("ASSET_ROLE"); /** note: The immutable state-variable `forwarder` is an EOA-only forwarder, * which guards against automated attacks. * * Use other forwarders only if there's a strong reason to bypass this check. */ address[] memory forwarders = new address[](_trustedForwarders.length + 1); uint256 i; for (; i < _trustedForwarders.length; i++) { forwarders[i] = _trustedForwarders[i]; } forwarders[i] = forwarder; __ERC2771Context_init(forwarders); __ERC1155_init(_contractURI); __DefaultOperatorFilterer_init(); name = _name; symbol = _symbol; _setupContractURI(_contractURI); _setupOwner(_defaultAdmin); _setupRole(DEFAULT_ADMIN_ROLE, _defaultAdmin); _setupRole(_transferRole, _defaultAdmin); _setupRole(_minterRole, _defaultAdmin); _setupRole(_transferRole, address(0)); // note: see `onlyRoleWithSwitch` for ASSET_ROLE behaviour. _setupRole(_assetRole, address(0)); _setupDefaultRoyaltyInfo(_royaltyRecipient, _royaltyBps); transferRole = _transferRole; minterRole = _minterRole; assetRole = _assetRole; } receive() external payable { require(msg.sender == nativeTokenWrapper, "!nativeTokenWrapper."); } /*/////////////////////////////////////////////////////////////// Modifiers //////////////////////////////////////////////////////////////*/ modifier onlyRoleWithSwitch(bytes32 role) { _checkRoleWithSwitch(role, _msgSender()); _; } /*/////////////////////////////////////////////////////////////// ERC 165 / 1155 / 2981 logic //////////////////////////////////////////////////////////////*/ /// @dev Returns the URI for a given tokenId. function uri(uint256 _tokenId) public view override returns (string memory) { return getUriOfBundle(_tokenId); } /// @dev See ERC 165 function supportsInterface(bytes4 interfaceId) public view virtual override(ERC1155Receiver, ERC1155Upgradeable, IERC165) returns (bool) { return super.supportsInterface(interfaceId) || type(IERC2981Upgradeable).interfaceId == interfaceId || type(IERC721Receiver).interfaceId == interfaceId || type(IERC1155Receiver).interfaceId == interfaceId; } /*/////////////////////////////////////////////////////////////// Pack logic: create | open packs. //////////////////////////////////////////////////////////////*/ /// @dev Creates a pack with the stated contents. function createPack( Token[] calldata _contents, uint256[] calldata _numOfRewardUnits, string memory _packUri, uint128 _openStartTimestamp, uint128 _amountDistributedPerOpen, address _recipient ) external payable onlyRoleWithSwitch(minterRole) nonReentrant returns (uint256 packId, uint256 packTotalSupply) { require(_contents.length > 0 && _contents.length == _numOfRewardUnits.length, "!Len"); if (!hasRole(assetRole, address(0))) { for (uint256 i = 0; i < _contents.length; i += 1) { _checkRole(assetRole, _contents[i].assetContract); } } packId = nextTokenIdToMint; nextTokenIdToMint += 1; packTotalSupply = escrowPackContents( _contents, _numOfRewardUnits, _packUri, packId, _amountDistributedPerOpen, false ); packInfo[packId].openStartTimestamp = _openStartTimestamp; packInfo[packId].amountDistributedPerOpen = _amountDistributedPerOpen; canUpdatePack[packId] = true; _mint(_recipient, packId, packTotalSupply, ""); emit PackCreated(packId, _recipient, packTotalSupply); } /// @dev Add contents to an existing packId. function addPackContents( uint256 _packId, Token[] calldata _contents, uint256[] calldata _numOfRewardUnits, address _recipient ) external payable onlyRoleWithSwitch(minterRole) nonReentrant returns (uint256 packTotalSupply, uint256 newSupplyAdded) { require(canUpdatePack[_packId], "!Allowed"); require(_contents.length > 0 && _contents.length == _numOfRewardUnits.length, "!Len"); require(balanceOf(_recipient, _packId) != 0, "!Bal"); if (!hasRole(assetRole, address(0))) { for (uint256 i = 0; i < _contents.length; i += 1) { _checkRole(assetRole, _contents[i].assetContract); } } uint256 amountPerOpen = packInfo[_packId].amountDistributedPerOpen; newSupplyAdded = escrowPackContents(_contents, _numOfRewardUnits, "", _packId, amountPerOpen, true); packTotalSupply = totalSupply[_packId] + newSupplyAdded; _mint(_recipient, _packId, newSupplyAdded, ""); emit PackUpdated(_packId, _recipient, newSupplyAdded); } /// @notice Lets a pack owner open packs and receive the packs' reward units. function openPack(uint256 _packId, uint256 _amountToOpen) external returns (Token[] memory) { address opener = _msgSender(); require(isTrustedForwarder(msg.sender) || opener == tx.origin, "!EOA"); require(balanceOf(opener, _packId) >= _amountToOpen, "!Bal"); PackInfo memory pack = packInfo[_packId]; require(pack.openStartTimestamp <= block.timestamp, "cant open"); Token[] memory rewardUnits = getRewardUnits(_packId, _amountToOpen, pack.amountDistributedPerOpen, pack); _burn(opener, _packId, _amountToOpen); _transferTokenBatch(address(this), opener, rewardUnits); emit PackOpened(_packId, opener, _amountToOpen, rewardUnits); return rewardUnits; } /// @dev Stores assets within the contract. function escrowPackContents( Token[] calldata _contents, uint256[] calldata _numOfRewardUnits, string memory _packUri, uint256 packId, uint256 amountPerOpen, bool isUpdate ) internal returns (uint256 supplyToMint) { uint256 sumOfRewardUnits; for (uint256 i = 0; i < _contents.length; i += 1) { require(_contents[i].totalAmount != 0, "0 amt"); require(_contents[i].totalAmount % _numOfRewardUnits[i] == 0, "!R"); require(_contents[i].tokenType != TokenType.ERC721 || _contents[i].totalAmount == 1, "!R"); sumOfRewardUnits += _numOfRewardUnits[i]; packInfo[packId].perUnitAmounts.push(_contents[i].totalAmount / _numOfRewardUnits[i]); } require(sumOfRewardUnits % amountPerOpen == 0, "!Amt"); supplyToMint = sumOfRewardUnits / amountPerOpen; if (isUpdate) { for (uint256 i = 0; i < _contents.length; i += 1) { _addTokenInBundle(_contents[i], packId); } _transferTokenBatch(_msgSender(), address(this), _contents); } else { _storeTokens(_msgSender(), _contents, _packUri, packId); } } /// @dev Returns the reward units to distribute. function getRewardUnits( uint256 _packId, uint256 _numOfPacksToOpen, uint256 _rewardUnitsPerOpen, PackInfo memory pack ) internal returns (Token[] memory rewardUnits) { uint256 numOfRewardUnitsToDistribute = _numOfPacksToOpen * _rewardUnitsPerOpen; rewardUnits = new Token[](numOfRewardUnitsToDistribute); uint256 totalRewardUnits = totalSupply[_packId] * _rewardUnitsPerOpen; uint256 totalRewardKinds = getTokenCountOfBundle(_packId); uint256 random = generateRandomValue(); (Token[] memory _token, ) = getPackContents(_packId); bool[] memory _isUpdated = new bool[](totalRewardKinds); for (uint256 i = 0; i < numOfRewardUnitsToDistribute; i += 1) { uint256 randomVal = uint256(keccak256(abi.encode(random, i))); uint256 target = randomVal % totalRewardUnits; uint256 step; for (uint256 j = 0; j < totalRewardKinds; j += 1) { uint256 totalRewardUnitsOfKind = _token[j].totalAmount / pack.perUnitAmounts[j]; if (target < step + totalRewardUnitsOfKind) { _token[j].totalAmount -= pack.perUnitAmounts[j]; _isUpdated[j] = true; rewardUnits[i].assetContract = _token[j].assetContract; rewardUnits[i].tokenType = _token[j].tokenType; rewardUnits[i].tokenId = _token[j].tokenId; rewardUnits[i].totalAmount = pack.perUnitAmounts[j]; totalRewardUnits -= 1; break; } else { step += totalRewardUnitsOfKind; } } } for (uint256 i = 0; i < totalRewardKinds; i += 1) { if (_isUpdated[i]) { _updateTokenInBundle(_token[i], _packId, i); } } } /*/////////////////////////////////////////////////////////////// Getter functions //////////////////////////////////////////////////////////////*/ /// @dev Returns the underlying contents of a pack. function getPackContents(uint256 _packId) public view returns (Token[] memory contents, uint256[] memory perUnitAmounts) { PackInfo memory pack = packInfo[_packId]; uint256 total = getTokenCountOfBundle(_packId); contents = new Token[](total); perUnitAmounts = new uint256[](total); for (uint256 i = 0; i < total; i += 1) { contents[i] = getTokenOfBundle(_packId, i); } perUnitAmounts = pack.perUnitAmounts; } /*/////////////////////////////////////////////////////////////// Internal functions //////////////////////////////////////////////////////////////*/ /// @dev Returns whether owner can be set in the given execution context. function _canSetOwner() internal view override returns (bool) { return hasRole(DEFAULT_ADMIN_ROLE, _msgSender()); } /// @dev Returns whether royalty info can be set in the given execution context. function _canSetRoyaltyInfo() internal view override returns (bool) { return hasRole(DEFAULT_ADMIN_ROLE, _msgSender()); } /// @dev Returns whether contract metadata can be set in the given execution context. function _canSetContractURI() internal view override returns (bool) { return hasRole(DEFAULT_ADMIN_ROLE, _msgSender()); } /*/////////////////////////////////////////////////////////////// Miscellaneous //////////////////////////////////////////////////////////////*/ function generateRandomValue() internal view returns (uint256 random) { random = uint256(keccak256(abi.encodePacked(_msgSender(), blockhash(block.number - 1), block.difficulty))); } /** * @dev See {ERC1155-_beforeTokenTransfer}. */ 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); // if transfer is restricted on the contract, we still want to allow burning and minting if (!hasRole(transferRole, address(0)) && from != address(0) && to != address(0)) { require(hasRole(transferRole, from) || hasRole(transferRole, to), "!TRANSFER_ROLE"); } if (from == address(0)) { for (uint256 i = 0; i < ids.length; ++i) { totalSupply[ids[i]] += amounts[i]; } } else { for (uint256 i = 0; i < ids.length; ++i) { // pack can no longer be updated after first transfer to non-zero address if (canUpdatePack[ids[i]] && amounts[i] != 0) { canUpdatePack[ids[i]] = false; } } } if (to == address(0)) { for (uint256 i = 0; i < ids.length; ++i) { totalSupply[ids[i]] -= amounts[i]; } } } /** * @dev See {IERC1155-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) public override onlyAllowedOperator(from) { super.safeTransferFrom(from, to, id, amount, data); } /** * @dev See {IERC1155-safeBatchTransferFrom}. */ function safeBatchTransferFrom( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) public override onlyAllowedOperator(from) { super.safeBatchTransferFrom(from, to, ids, amounts, data); } /// @dev See EIP-2771 function _msgSender() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (address sender) { return ERC2771ContextUpgradeable._msgSender(); } /// @dev See EIP-2771 function _msgData() internal view virtual override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (bytes calldata) { return ERC2771ContextUpgradeable._msgData(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165Upgradeable.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. * * _Available since v4.5._ */ interface IERC2981Upgradeable is IERC165Upgradeable { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be paid in that same unit of exchange. */ function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol) pragma solidity ^0.8.2; import "../../utils/AddressUpgradeable.sol"; /** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in * case an upgrade adds a module that needs to be initialized. * * For example: * * [.hljs-theme-light.nopadding] * ``` * contract MyToken is ERC20Upgradeable { * function initialize() initializer public { * __ERC20_init("MyToken", "MTK"); * } * } * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable { * function initializeV2() reinitializer(2) public { * __ERC20Permit_init("MyToken"); * } * } * ``` * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() { * _disableInitializers(); * } * ``` * ==== */ abstract contract Initializable { /** * @dev Indicates that the contract has been initialized. * @custom:oz-retyped-from bool */ uint8 private _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private _initializing; /** * @dev Triggered when the contract has been initialized or reinitialized. */ event Initialized(uint8 version); /** * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope, * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`. */ modifier initializer() { bool isTopLevelCall = !_initializing; require( (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1), "Initializable: contract is already initialized" ); _initialized = 1; if (isTopLevelCall) { _initializing = true; } _; if (isTopLevelCall) { _initializing = false; emit Initialized(1); } } /** * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be * used to initialize parent contracts. * * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original * initialization step. This is essential to configure modules that are added through upgrades and that require * initialization. * * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in * a contract, executing them in the right order is up to the developer or operator. */ modifier reinitializer(uint8 version) { require(!_initializing && _initialized < version, "Initializable: contract is already initialized"); _initialized = version; _initializing = true; _; _initializing = false; emit Initialized(version); } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} and {reinitializer} modifiers, directly or indirectly. */ modifier onlyInitializing() { require(_initializing, "Initializable: contract is not initializing"); _; } /** * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call. * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized * to any version. It is recommended to use this to lock implementation contracts that are designed to be called * through proxies. */ function _disableInitializers() internal virtual { require(!_initializing, "Initializable: contract is initializing"); if (_initialized < type(uint8).max) { _initialized = type(uint8).max; emit Initialized(type(uint8).max); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol) pragma solidity ^0.8.0; import "../utils/ContextUpgradeable.sol"; import "../proxy/utils/Initializable.sol"; /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ abstract contract PausableUpgradeable is Initializable, ContextUpgradeable { /** * @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. */ function __Pausable_init() internal onlyInitializing { __Pausable_init_unchained(); } function __Pausable_init_unchained() internal onlyInitializing { _paused = false; } /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { _requireNotPaused(); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { _requirePaused(); _; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view virtual returns (bool) { return _paused; } /** * @dev Throws if the contract is paused. */ function _requireNotPaused() internal view virtual { require(!paused(), "Pausable: paused"); } /** * @dev Throws if the contract is not paused. */ function _requirePaused() internal view virtual { 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()); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; import "../proxy/utils/Initializable.sol"; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuardUpgradeable is Initializable { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; function __ReentrancyGuard_init() internal onlyInitializing { __ReentrancyGuard_init_unchained(); } function __ReentrancyGuard_init_unchained() internal onlyInitializing { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/ERC1155.sol) pragma solidity ^0.8.0; import "./IERC1155Upgradeable.sol"; import "./IERC1155ReceiverUpgradeable.sol"; import "./extensions/IERC1155MetadataURIUpgradeable.sol"; import "../../utils/AddressUpgradeable.sol"; import "../../utils/ContextUpgradeable.sol"; import "../../utils/introspection/ERC165Upgradeable.sol"; import "../../proxy/utils/Initializable.sol"; /** * @dev Implementation of the basic standard multi-token. * See https://eips.ethereum.org/EIPS/eip-1155 * Originally based on code by Enjin: https://github.com/enjin/erc-1155 * * _Available since v3.1._ */ contract ERC1155Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC1155Upgradeable, IERC1155MetadataURIUpgradeable { using AddressUpgradeable for address; // Mapping from token ID to account balances mapping(uint256 => mapping(address => uint256)) private _balances; // 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}. */ function __ERC1155_init(string memory uri_) internal onlyInitializing { __ERC1155_init_unchained(uri_); } function __ERC1155_init_unchained(string memory uri_) internal onlyInitializing { _setURI(uri_); } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) { return interfaceId == type(IERC1155Upgradeable).interfaceId || interfaceId == type(IERC1155MetadataURIUpgradeable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC1155MetadataURI-uri}. * * This implementation returns the same URI for *all* token types. It relies * on the token type ID substitution mechanism * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP]. * * 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 See {IERC1155-balanceOf}. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) public view virtual override returns (uint256) { require(account != address(0), "ERC1155: address zero is not a valid owner"); return _balances[id][account]; } /** * @dev See {IERC1155-balanceOfBatch}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] memory accounts, uint256[] memory ids) public view virtual override returns (uint256[] memory) { require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch"); uint256[] memory batchBalances = new uint256[](accounts.length); for (uint256 i = 0; i < accounts.length; ++i) { batchBalances[i] = balanceOf(accounts[i], ids[i]); } return batchBalances; } /** * @dev See {IERC1155-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC1155-isApprovedForAll}. */ function isApprovedForAll(address account, address operator) public view virtual override returns (bool) { return _operatorApprovals[account][operator]; } /** * @dev See {IERC1155-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) public virtual override { require( from == _msgSender() || isApprovedForAll(from, _msgSender()), "ERC1155: caller is not token owner nor approved" ); _safeTransferFrom(from, to, id, amount, data); } /** * @dev See {IERC1155-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()), "ERC1155: caller is not token 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 {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function _safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) internal virtual { require(to != address(0), "ERC1155: 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, "ERC1155: 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:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function _safeBatchTransferFrom( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); require(to != address(0), "ERC1155: 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, "ERC1155: 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 * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP]. * * 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 {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function _mint( address to, uint256 id, uint256 amount, bytes memory data ) internal virtual { require(to != address(0), "ERC1155: 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:erc1155.adoc#batch-operations[Batched] version of {_mint}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function _mintBatch( address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { require(to != 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), 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` * * Emits a {TransferSingle} event. * * 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), "ERC1155: 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, "ERC1155: 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:erc1155.adoc#batch-operations[Batched] version of {_burn}. * * Emits a {TransferBatch} event. * * 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), "ERC1155: burn from the zero address"); require(ids.length == amounts.length, "ERC1155: 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, "ERC1155: 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 an {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC1155: 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 `ids` and `amounts` 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 {} /** * @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 { if (to.isContract()) { try IERC1155ReceiverUpgradeable(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) { if (response != IERC1155ReceiverUpgradeable.onERC1155Received.selector) { revert("ERC1155: ERC1155Receiver rejected tokens"); } } catch Error(string memory reason) { revert(reason); } catch { revert("ERC1155: transfer to non ERC1155Receiver implementer"); } } } function _doSafeBatchTransferAcceptanceCheck( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) private { if (to.isContract()) { try IERC1155ReceiverUpgradeable(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns ( bytes4 response ) { if (response != IERC1155ReceiverUpgradeable.onERC1155BatchReceived.selector) { revert("ERC1155: ERC1155Receiver rejected tokens"); } } catch Error(string memory reason) { revert(reason); } catch { revert("ERC1155: transfer to non ERC1155Receiver implementer"); } } } function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) { uint256[] memory array = new uint256[](1); array[0] = element; return array; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[47] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165Upgradeable.sol"; /** * @dev _Available since v3.1._ */ interface IERC1155ReceiverUpgradeable is IERC165Upgradeable { /** * @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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165Upgradeable.sol"; /** * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ */ interface IERC1155Upgradeable is IERC165Upgradeable { /** * @dev Emitted when `value` 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 value); /** * @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[] values ); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed account, 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 * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] calldata accounts, 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 ``account``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address account, 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 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 {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; /** * @dev xref:ROOT:erc1155.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 {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/ERC1155Pausable.sol) pragma solidity ^0.8.0; import "../ERC1155Upgradeable.sol"; import "../../../security/PausableUpgradeable.sol"; import "../../../proxy/utils/Initializable.sol"; /** * @dev ERC1155 token with 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. * * _Available since v3.1._ */ abstract contract ERC1155PausableUpgradeable is Initializable, ERC1155Upgradeable, PausableUpgradeable { function __ERC1155Pausable_init() internal onlyInitializing { __Pausable_init_unchained(); } function __ERC1155Pausable_init_unchained() internal onlyInitializing { } /** * @dev See {ERC1155-_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); require(!paused(), "ERC1155Pausable: token transfer while paused"); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol) pragma solidity ^0.8.0; import "../IERC1155Upgradeable.sol"; /** * @dev Interface of the optional ERC1155MetadataExtension interface, as defined * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP]. * * _Available since v3.1._ */ interface IERC1155MetadataURIUpgradeable is IERC1155Upgradeable { /** * @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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library AddressUpgradeable { /** * @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 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 /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; import "../proxy/utils/Initializable.sol"; /** * @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 ContextUpgradeable is Initializable { function __Context_init() internal onlyInitializing { } function __Context_init_unchained() internal onlyInitializing { } function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (utils/Multicall.sol) pragma solidity ^0.8.0; import "./AddressUpgradeable.sol"; import "../proxy/utils/Initializable.sol"; /** * @dev Provides a function to batch together multiple calls in a single external call. * * _Available since v4.1._ */ abstract contract MulticallUpgradeable is Initializable { function __Multicall_init() internal onlyInitializing { } function __Multicall_init_unchained() internal onlyInitializing { } /** * @dev Receives and executes a batch of function calls on this contract. */ function multicall(bytes[] calldata data) external virtual returns (bytes[] memory results) { results = new bytes[](data.length); for (uint256 i = 0; i < data.length; i++) { results[i] = _functionDelegateCall(address(this), data[i]); } return results; } /** * @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) private returns (bytes memory) { require(AddressUpgradeable.isContract(target), "Address: delegate call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.delegatecall(data); return AddressUpgradeable.verifyCallResult(success, returndata, "Address: low-level delegate call failed"); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165Upgradeable.sol"; import "../../proxy/utils/Initializable.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable { function __ERC165_init() internal onlyInitializing { } function __ERC165_init_unchained() internal onlyInitializing { } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165Upgradeable).interfaceId; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165Upgradeable { /** * @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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (interfaces/IERC1155Receiver.sol) pragma solidity ^0.8.0; import "../token/ERC1155/IERC1155Receiver.sol";
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (interfaces/IERC721Receiver.sol) pragma solidity ^0.8.0; import "../token/ERC721/IERC721Receiver.sol";
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./interface/IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /** @title ERC-1155 Multi Token Standard @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-1155.md Note: The ERC-165 identifier for this interface is 0xd9b67a26. */ interface IERC1155 { /** @dev Either `TransferSingle` or `TransferBatch` MUST emit when tokens are transferred, including zero value transfers as well as minting or burning (see "Safe Transfer Rules" section of the standard). The `_operator` argument MUST be msg.sender. The `_from` argument MUST be the address of the holder whose balance is decreased. The `_to` argument MUST be the address of the recipient whose balance is increased. The `_id` argument MUST be the token type being transferred. The `_value` argument MUST be the number of tokens the holder balance is decreased by and match what the recipient balance is increased by. When minting/creating tokens, the `_from` argument MUST be set to `0x0` (i.e. zero address). When burning/destroying tokens, the `_to` argument MUST be set to `0x0` (i.e. zero address). */ event TransferSingle( address indexed _operator, address indexed _from, address indexed _to, uint256 _id, uint256 _value ); /** @dev Either `TransferSingle` or `TransferBatch` MUST emit when tokens are transferred, including zero value transfers as well as minting or burning (see "Safe Transfer Rules" section of the standard). The `_operator` argument MUST be msg.sender. The `_from` argument MUST be the address of the holder whose balance is decreased. The `_to` argument MUST be the address of the recipient whose balance is increased. The `_ids` argument MUST be the list of tokens being transferred. The `_values` argument MUST be the list of number of tokens (matching the list and order of tokens specified in _ids) the holder balance is decreased by and match what the recipient balance is increased by. When minting/creating tokens, the `_from` argument MUST be set to `0x0` (i.e. zero address). When burning/destroying tokens, the `_to` argument MUST be set to `0x0` (i.e. zero address). */ event TransferBatch( address indexed _operator, address indexed _from, address indexed _to, uint256[] _ids, uint256[] _values ); /** @dev MUST emit when approval for a second party/operator address to manage all tokens for an owner address is enabled or disabled (absense of an event assumes disabled). */ event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved); /** @dev MUST emit when the URI is updated for a token ID. URIs are defined in RFC 3986. The URI MUST point a JSON file that conforms to the "ERC-1155 Metadata URI JSON Schema". */ event URI(string _value, uint256 indexed _id); /** @notice Transfers `_value` amount of an `_id` from the `_from` address to the `_to` address specified (with safety call). @dev Caller must be approved to manage the tokens being transferred out of the `_from` account (see "Approval" section of the standard). MUST revert if `_to` is the zero address. MUST revert if balance of holder for token `_id` is lower than the `_value` sent. MUST revert on any other error. MUST emit the `TransferSingle` event to reflect the balance change (see "Safe Transfer Rules" section of the standard). After the above conditions are met, this function MUST check if `_to` is a smart contract (e.g. code size > 0). If so, it MUST call `onERC1155Received` on `_to` and act appropriately (see "Safe Transfer Rules" section of the standard). @param _from Source address @param _to Target address @param _id ID of the token type @param _value Transfer amount @param _data Additional data with no specified format, MUST be sent unaltered in call to `onERC1155Received` on `_to` */ function safeTransferFrom( address _from, address _to, uint256 _id, uint256 _value, bytes calldata _data ) external; /** @notice Transfers `_values` amount(s) of `_ids` from the `_from` address to the `_to` address specified (with safety call). @dev Caller must be approved to manage the tokens being transferred out of the `_from` account (see "Approval" section of the standard). MUST revert if `_to` is the zero address. MUST revert if length of `_ids` is not the same as length of `_values`. MUST revert if any of the balance(s) of the holder(s) for token(s) in `_ids` is lower than the respective amount(s) in `_values` sent to the recipient. MUST revert on any other error. MUST emit `TransferSingle` or `TransferBatch` event(s) such that all the balance changes are reflected (see "Safe Transfer Rules" section of the standard). Balance changes and events MUST follow the ordering of the arrays (_ids[0]/_values[0] before _ids[1]/_values[1], etc). After the above conditions for the transfer(s) in the batch are met, this function MUST check if `_to` is a smart contract (e.g. code size > 0). If so, it MUST call the relevant `ERC1155TokenReceiver` hook(s) on `_to` and act appropriately (see "Safe Transfer Rules" section of the standard). @param _from Source address @param _to Target address @param _ids IDs of each token type (order and length must match _values array) @param _values Transfer amounts per token type (order and length must match _ids array) @param _data Additional data with no specified format, MUST be sent unaltered in call to the `ERC1155TokenReceiver` hook(s) on `_to` */ function safeBatchTransferFrom( address _from, address _to, uint256[] calldata _ids, uint256[] calldata _values, bytes calldata _data ) external; /** @notice Get the balance of an account's Tokens. @param _owner The address of the token holder @param _id ID of the Token @return The _owner's balance of the Token type requested */ function balanceOf(address _owner, uint256 _id) external view returns (uint256); /** @notice Get the balance of multiple account/token pairs @param _owners The addresses of the token holders @param _ids ID of the Tokens @return The _owner's balance of the Token types requested (i.e. balance for each (owner, id) pair) */ function balanceOfBatch(address[] calldata _owners, uint256[] calldata _ids) external view returns (uint256[] memory); /** @notice Enable or disable approval for a third party ("operator") to manage all of the caller's tokens. @dev MUST emit the ApprovalForAll event on success. @param _operator Address to add to the set of authorized operators @param _approved True if the operator is approved, false to revoke approval */ function setApprovalForAll(address _operator, bool _approved) external; /** @notice Queries the approval status of an operator for a given owner. @param _owner The owner of the Tokens @param _operator Address of authorized operator @return True if the operator is approved, false if not */ function isApprovedForAll(address _owner, address _operator) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * [EIP](https://eips.ethereum.org/EIPS/eip-165). * * 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 * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * 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); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /** * @title ERC20 interface * @dev see https://github.com/ethereum/EIPs/issues/20 */ interface IERC20 { function totalSupply() external view returns (uint256); function balanceOf(address who) external view returns (uint256); function allowance(address owner, address spender) external view returns (uint256); function transfer(address to, uint256 value) external returns (bool); function approve(address spender, uint256 value) external returns (bool); function transferFrom( address from, address to, uint256 value ) external returns (bool); event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); }
// SPDX-License-Identifier: Apache 2.0 pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. * * _Available since v4.5._ */ interface IERC2981 is IERC165 { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be payed in that same unit of exchange. */ function royaltyInfo(uint256 tokenId, uint256 salePrice) external view returns (address receiver, uint256 royaltyAmount); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address); /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address); /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import "./interface/IContractMetadata.sol"; /** * @title Contract Metadata * @notice Thirdweb's `ContractMetadata` is a contract extension for any base contracts. It lets you set a metadata URI * for you contract. * Additionally, `ContractMetadata` is necessary for NFT contracts that want royalties to get distributed on OpenSea. */ abstract contract ContractMetadata is IContractMetadata { /// @notice Returns the contract metadata URI. string public override contractURI; /** * @notice Lets a contract admin set the URI for contract-level metadata. * @dev Caller should be authorized to setup contractURI, e.g. contract admin. * See {_canSetContractURI}. * Emits {ContractURIUpdated Event}. * * @param _uri keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") */ function setContractURI(string memory _uri) external override { if (!_canSetContractURI()) { revert("Not authorized"); } _setupContractURI(_uri); } /// @dev Lets a contract admin set the URI for contract-level metadata. function _setupContractURI(string memory _uri) internal { string memory prevURI = contractURI; contractURI = _uri; emit ContractURIUpdated(prevURI, _uri); } /// @dev Returns whether contract metadata can be set in the given execution context. function _canSetContractURI() internal view virtual returns (bool); }
// SPDX-License-Identifier: Apache 2.0 // Credit; OpenSea pragma solidity ^0.8.0; import { OperatorFiltererUpgradeable } from "./OperatorFiltererUpgradeable.sol"; abstract contract DefaultOperatorFiltererUpgradeable is OperatorFiltererUpgradeable { address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6); function __DefaultOperatorFilterer_init() internal { OperatorFiltererUpgradeable.__OperatorFilterer_init(DEFAULT_SUBSCRIPTION, true); } }
// SPDX-License-Identifier: Apache 2.0 // Credit; OpenSea pragma solidity ^0.8.0; import { IOperatorFilterRegistry } from "./interface/IOperatorFilterRegistry.sol"; abstract contract OperatorFiltererUpgradeable { error OperatorNotAllowed(address operator); IOperatorFilterRegistry constant operatorFilterRegistry = IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E); function __OperatorFilterer_init(address subscriptionOrRegistrantToCopy, bool subscribe) internal { // 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 (!operatorFilterRegistry.isRegistered(address(this))) { 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); } } _; } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import "./interface/IOwnable.sol"; /** * @title Ownable * @notice Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading * who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses * information about who the contract's owner is. */ abstract contract Ownable is IOwnable { /// @dev Owner of the contract (purpose: OpenSea compatibility) address private _owner; /// @dev Reverts if caller is not the owner. modifier onlyOwner() { if (msg.sender != _owner) { revert("Not authorized"); } _; } /** * @notice Returns the owner of the contract. */ function owner() public view override returns (address) { return _owner; } /** * @notice Lets an authorized wallet set a new owner for the contract. * @param _newOwner The address to set as the new owner of the contract. */ function setOwner(address _newOwner) external override { if (!_canSetOwner()) { revert("Not authorized"); } _setupOwner(_newOwner); } /// @dev Lets a contract admin set a new owner for the contract. The new owner must be a contract admin. function _setupOwner(address _newOwner) internal { address _prevOwner = _owner; _owner = _newOwner; emit OwnerUpdated(_prevOwner, _newOwner); } /// @dev Returns whether owner can be set in the given execution context. function _canSetOwner() internal view virtual returns (bool); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import "./interface/IPermissions.sol"; import "../lib/TWStrings.sol"; /** * @title Permissions * @dev This contracts provides extending-contracts with role-based access control mechanisms */ contract Permissions is IPermissions { /// @dev Map from keccak256 hash of a role => a map from address => whether address has role. mapping(bytes32 => mapping(address => bool)) private _hasRole; /// @dev Map from keccak256 hash of a role to role admin. See {getRoleAdmin}. mapping(bytes32 => bytes32) private _getRoleAdmin; /// @dev Default admin role for all roles. Only accounts with this role can grant/revoke other roles. bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /// @dev Modifier that checks if an account has the specified role; reverts otherwise. modifier onlyRole(bytes32 role) { _checkRole(role, msg.sender); _; } /** * @notice Checks whether an account has a particular role. * @dev Returns `true` if `account` has been granted `role`. * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") * @param account Address of the account for which the role is being checked. */ function hasRole(bytes32 role, address account) public view override returns (bool) { return _hasRole[role][account]; } /** * @notice Checks whether an account has a particular role; * role restrictions can be swtiched on and off. * * @dev Returns `true` if `account` has been granted `role`. * Role restrictions can be swtiched on and off: * - If address(0) has ROLE, then the ROLE restrictions * don't apply. * - If address(0) does not have ROLE, then the ROLE * restrictions will apply. * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") * @param account Address of the account for which the role is being checked. */ function hasRoleWithSwitch(bytes32 role, address account) public view returns (bool) { if (!_hasRole[role][address(0)]) { return _hasRole[role][account]; } return true; } /** * @notice Returns the admin role that controls the specified role. * @dev See {grantRole} and {revokeRole}. * To change a role's admin, use {_setRoleAdmin}. * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") */ function getRoleAdmin(bytes32 role) external view override returns (bytes32) { return _getRoleAdmin[role]; } /** * @notice Grants a role to an account, if not previously granted. * @dev Caller must have admin role for the `role`. * Emits {RoleGranted Event}. * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") * @param account Address of the account to which the role is being granted. */ function grantRole(bytes32 role, address account) public virtual override { _checkRole(_getRoleAdmin[role], msg.sender); if (_hasRole[role][account]) { revert("Can only grant to non holders"); } _setupRole(role, account); } /** * @notice Revokes role from an account. * @dev Caller must have admin role for the `role`. * Emits {RoleRevoked Event}. * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") * @param account Address of the account from which the role is being revoked. */ function revokeRole(bytes32 role, address account) public virtual override { _checkRole(_getRoleAdmin[role], msg.sender); _revokeRole(role, account); } /** * @notice Revokes role from the account. * @dev Caller must have the `role`, with caller being the same as `account`. * Emits {RoleRevoked Event}. * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") * @param account Address of the account from which the role is being revoked. */ function renounceRole(bytes32 role, address account) public virtual override { if (msg.sender != account) { revert("Can only renounce for self"); } _revokeRole(role, account); } /// @dev Sets `adminRole` as `role`'s admin role. function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { bytes32 previousAdminRole = _getRoleAdmin[role]; _getRoleAdmin[role] = adminRole; emit RoleAdminChanged(role, previousAdminRole, adminRole); } /// @dev Sets up `role` for `account` function _setupRole(bytes32 role, address account) internal virtual { _hasRole[role][account] = true; emit RoleGranted(role, account, msg.sender); } /// @dev Revokes `role` from `account` function _revokeRole(bytes32 role, address account) internal virtual { _checkRole(role, account); delete _hasRole[role][account]; emit RoleRevoked(role, account, msg.sender); } /// @dev Checks `role` for `account`. Reverts with a message including the required role. function _checkRole(bytes32 role, address account) internal view virtual { if (!_hasRole[role][account]) { revert( string( abi.encodePacked( "Permissions: account ", TWStrings.toHexString(uint160(account), 20), " is missing role ", TWStrings.toHexString(uint256(role), 32) ) ) ); } } /// @dev Checks `role` for `account`. Reverts with a message including the required role. function _checkRoleWithSwitch(bytes32 role, address account) internal view virtual { if (!hasRoleWithSwitch(role, account)) { revert( string( abi.encodePacked( "Permissions: account ", TWStrings.toHexString(uint160(account), 20), " is missing role ", TWStrings.toHexString(uint256(role), 32) ) ) ); } } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import "./interface/IPermissionsEnumerable.sol"; import "./Permissions.sol"; /** * @title PermissionsEnumerable * @dev This contracts provides extending-contracts with role-based access control mechanisms. * Also provides interfaces to view all members with a given role, and total count of members. */ contract PermissionsEnumerable is IPermissionsEnumerable, Permissions { /** * @notice A data structure to store data of members for a given role. * * @param index Current index in the list of accounts that have a role. * @param members map from index => address of account that has a role * @param indexOf map from address => index which the account has. */ struct RoleMembers { uint256 index; mapping(uint256 => address) members; mapping(address => uint256) indexOf; } /// @dev map from keccak256 hash of a role to its members' data. See {RoleMembers}. mapping(bytes32 => RoleMembers) private roleMembers; /** * @notice Returns the role-member from a list of members for a role, * at a given index. * @dev Returns `member` who has `role`, at `index` of role-members list. * See struct {RoleMembers}, and mapping {roleMembers} * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") * @param index Index in list of current members for the role. * * @return member Address of account that has `role` */ function getRoleMember(bytes32 role, uint256 index) external view override returns (address member) { uint256 currentIndex = roleMembers[role].index; uint256 check; for (uint256 i = 0; i < currentIndex; i += 1) { if (roleMembers[role].members[i] != address(0)) { if (check == index) { member = roleMembers[role].members[i]; return member; } check += 1; } else if (hasRole(role, address(0)) && i == roleMembers[role].indexOf[address(0)]) { check += 1; } } } /** * @notice Returns total number of accounts that have a role. * @dev Returns `count` of accounts that have `role`. * See struct {RoleMembers}, and mapping {roleMembers} * * @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE") * * @return count Total number of accounts that have `role` */ function getRoleMemberCount(bytes32 role) external view override returns (uint256 count) { uint256 currentIndex = roleMembers[role].index; for (uint256 i = 0; i < currentIndex; i += 1) { if (roleMembers[role].members[i] != address(0)) { count += 1; } } if (hasRole(role, address(0))) { count += 1; } } /// @dev Revokes `role` from `account`, and removes `account` from {roleMembers} /// See {_removeMember} function _revokeRole(bytes32 role, address account) internal override { super._revokeRole(role, account); _removeMember(role, account); } /// @dev Grants `role` to `account`, and adds `account` to {roleMembers} /// See {_addMember} function _setupRole(bytes32 role, address account) internal override { super._setupRole(role, account); _addMember(role, account); } /// @dev adds `account` to {roleMembers}, for `role` function _addMember(bytes32 role, address account) internal { uint256 idx = roleMembers[role].index; roleMembers[role].index += 1; roleMembers[role].members[idx] = account; roleMembers[role].indexOf[account] = idx; } /// @dev removes `account` from {roleMembers}, for `role` function _removeMember(bytes32 role, address account) internal { uint256 idx = roleMembers[role].indexOf[account]; delete roleMembers[role].members[idx]; delete roleMembers[role].indexOf[account]; } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import "./interface/IRoyalty.sol"; /** * @title Royalty * @notice Thirdweb's `Royalty` is a contract extension to be used with any base contract. It exposes functions for setting and reading * the recipient of royalty fee and the royalty fee basis points, and lets the inheriting contract perform conditional logic * that uses information about royalty fees, if desired. * * @dev The `Royalty` contract is ERC2981 compliant. */ abstract contract Royalty is IRoyalty { /// @dev The (default) address that receives all royalty value. address private royaltyRecipient; /// @dev The (default) % of a sale to take as royalty (in basis points). uint16 private royaltyBps; /// @dev Token ID => royalty recipient and bps for token mapping(uint256 => RoyaltyInfo) private royaltyInfoForToken; /** * @notice View royalty info for a given token and sale price. * @dev Returns royalty amount and recipient for `tokenId` and `salePrice`. * @param tokenId The tokenID of the NFT for which to query royalty info. * @param salePrice Sale price of the token. * * @return receiver Address of royalty recipient account. * @return royaltyAmount Royalty amount calculated at current royaltyBps value. */ function royaltyInfo(uint256 tokenId, uint256 salePrice) external view virtual override returns (address receiver, uint256 royaltyAmount) { (address recipient, uint256 bps) = getRoyaltyInfoForToken(tokenId); receiver = recipient; royaltyAmount = (salePrice * bps) / 10_000; } /** * @notice View royalty info for a given token. * @dev Returns royalty recipient and bps for `_tokenId`. * @param _tokenId The tokenID of the NFT for which to query royalty info. */ function getRoyaltyInfoForToken(uint256 _tokenId) public view override returns (address, uint16) { RoyaltyInfo memory royaltyForToken = royaltyInfoForToken[_tokenId]; return royaltyForToken.recipient == address(0) ? (royaltyRecipient, uint16(royaltyBps)) : (royaltyForToken.recipient, uint16(royaltyForToken.bps)); } /** * @notice Returns the defualt royalty recipient and BPS for this contract's NFTs. */ function getDefaultRoyaltyInfo() external view override returns (address, uint16) { return (royaltyRecipient, uint16(royaltyBps)); } /** * @notice Updates default royalty recipient and bps. * @dev Caller should be authorized to set royalty info. * See {_canSetRoyaltyInfo}. * Emits {DefaultRoyalty Event}; See {_setupDefaultRoyaltyInfo}. * * @param _royaltyRecipient Address to be set as default royalty recipient. * @param _royaltyBps Updated royalty bps. */ function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external override { if (!_canSetRoyaltyInfo()) { revert("Not authorized"); } _setupDefaultRoyaltyInfo(_royaltyRecipient, _royaltyBps); } /// @dev Lets a contract admin update the default royalty recipient and bps. function _setupDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) internal { if (_royaltyBps > 10_000) { revert("Exceeds max bps"); } royaltyRecipient = _royaltyRecipient; royaltyBps = uint16(_royaltyBps); emit DefaultRoyalty(_royaltyRecipient, _royaltyBps); } /** * @notice Updates default royalty recipient and bps for a particular token. * @dev Sets royalty info for `_tokenId`. Caller should be authorized to set royalty info. * See {_canSetRoyaltyInfo}. * Emits {RoyaltyForToken Event}; See {_setupRoyaltyInfoForToken}. * * @param _recipient Address to be set as royalty recipient for given token Id. * @param _bps Updated royalty bps for the token Id. */ function setRoyaltyInfoForToken( uint256 _tokenId, address _recipient, uint256 _bps ) external override { if (!_canSetRoyaltyInfo()) { revert("Not authorized"); } _setupRoyaltyInfoForToken(_tokenId, _recipient, _bps); } /// @dev Lets a contract admin set the royalty recipient and bps for a particular token Id. function _setupRoyaltyInfoForToken( uint256 _tokenId, address _recipient, uint256 _bps ) internal { if (_bps > 10_000) { revert("Exceeds max bps"); } royaltyInfoForToken[_tokenId] = RoyaltyInfo({ recipient: _recipient, bps: _bps }); emit RoyaltyForToken(_tokenId, _recipient, _bps); } /// @dev Returns whether royalty info can be set in the given execution context. function _canSetRoyaltyInfo() internal view virtual returns (bool); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import "./interface/ITokenBundle.sol"; import "../lib/CurrencyTransferLib.sol"; interface IERC165 { function supportsInterface(bytes4 interfaceId) external view returns (bool); } /** * @title Token Bundle * @notice `TokenBundle` contract extension allows bundling-up of ERC20/ERC721/ERC1155 and native-tokan assets * in a data structure, and provides logic for setting/getting IDs and URIs for created bundles. * @dev See {ITokenBundle} */ abstract contract TokenBundle is ITokenBundle { /// @dev Mapping from bundle UID => bundle info. mapping(uint256 => BundleInfo) private bundle; /// @dev Returns the total number of assets in a particular bundle. function getTokenCountOfBundle(uint256 _bundleId) public view returns (uint256) { return bundle[_bundleId].count; } /// @dev Returns an asset contained in a particular bundle, at a particular index. function getTokenOfBundle(uint256 _bundleId, uint256 index) public view returns (Token memory) { return bundle[_bundleId].tokens[index]; } /// @dev Returns the uri of a particular bundle. function getUriOfBundle(uint256 _bundleId) public view returns (string memory) { return bundle[_bundleId].uri; } /// @dev Lets the calling contract create a bundle, by passing in a list of tokens and a unique id. function _createBundle(Token[] calldata _tokensToBind, uint256 _bundleId) internal { uint256 targetCount = _tokensToBind.length; require(targetCount > 0, "!Tokens"); require(bundle[_bundleId].count == 0, "id exists"); for (uint256 i = 0; i < targetCount; i += 1) { _checkTokenType(_tokensToBind[i]); bundle[_bundleId].tokens[i] = _tokensToBind[i]; } bundle[_bundleId].count = targetCount; } /// @dev Lets the calling contract update a bundle, by passing in a list of tokens and a unique id. function _updateBundle(Token[] memory _tokensToBind, uint256 _bundleId) internal { require(_tokensToBind.length > 0, "!Tokens"); uint256 currentCount = bundle[_bundleId].count; uint256 targetCount = _tokensToBind.length; uint256 check = currentCount > targetCount ? currentCount : targetCount; for (uint256 i = 0; i < check; i += 1) { if (i < targetCount) { _checkTokenType(_tokensToBind[i]); bundle[_bundleId].tokens[i] = _tokensToBind[i]; } else if (i < currentCount) { delete bundle[_bundleId].tokens[i]; } } bundle[_bundleId].count = targetCount; } /// @dev Lets the calling contract add a token to a bundle for a unique bundle id and index. function _addTokenInBundle(Token memory _tokenToBind, uint256 _bundleId) internal { _checkTokenType(_tokenToBind); uint256 id = bundle[_bundleId].count; bundle[_bundleId].tokens[id] = _tokenToBind; bundle[_bundleId].count += 1; } /// @dev Lets the calling contract update a token in a bundle for a unique bundle id and index. function _updateTokenInBundle( Token memory _tokenToBind, uint256 _bundleId, uint256 _index ) internal { require(_index < bundle[_bundleId].count, "index DNE"); _checkTokenType(_tokenToBind); bundle[_bundleId].tokens[_index] = _tokenToBind; } /// @dev Checks if the type of asset-contract is same as the TokenType specified. function _checkTokenType(Token memory _token) internal view { if (_token.tokenType == TokenType.ERC721) { try IERC165(_token.assetContract).supportsInterface(0x80ac58cd) returns (bool supported721) { require(supported721, "!TokenType"); } catch { revert("!TokenType"); } } else if (_token.tokenType == TokenType.ERC1155) { try IERC165(_token.assetContract).supportsInterface(0xd9b67a26) returns (bool supported1155) { require(supported1155, "!TokenType"); } catch { revert("!TokenType"); } } else if (_token.tokenType == TokenType.ERC20) { if (_token.assetContract != CurrencyTransferLib.NATIVE_TOKEN) { // 0x36372b07 try IERC165(_token.assetContract).supportsInterface(0x80ac58cd) returns (bool supported721) { require(!supported721, "!TokenType"); try IERC165(_token.assetContract).supportsInterface(0xd9b67a26) returns (bool supported1155) { require(!supported1155, "!TokenType"); } catch Error(string memory) {} catch {} } catch Error(string memory) {} catch {} } } } /// @dev Lets the calling contract set/update the uri of a particular bundle. function _setUriOfBundle(string memory _uri, uint256 _bundleId) internal { bundle[_bundleId].uri = _uri; } /// @dev Lets the calling contract delete a particular bundle. function _deleteBundle(uint256 _bundleId) internal { for (uint256 i = 0; i < bundle[_bundleId].count; i += 1) { delete bundle[_bundleId].tokens[i]; } bundle[_bundleId].count = 0; } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; // ========== External imports ========== import "../eip/interface/IERC1155.sol"; import "../eip/interface/IERC721.sol"; import "../openzeppelin-presets/utils/ERC1155/ERC1155Holder.sol"; import "../openzeppelin-presets/utils/ERC721/ERC721Holder.sol"; // ========== Internal imports ========== import { TokenBundle, ITokenBundle } from "./TokenBundle.sol"; import "../lib/CurrencyTransferLib.sol"; /** * @title Token Store * @notice `TokenStore` contract extension allows bundling-up of ERC20/ERC721/ERC1155 and native-tokan assets * and provides logic for storing, releasing, and transferring them from the extending contract. * @dev See {CurrencyTransferLib} */ contract TokenStore is TokenBundle, ERC721Holder, ERC1155Holder { /// @dev The address of the native token wrapper contract. address internal immutable nativeTokenWrapper; constructor(address _nativeTokenWrapper) { nativeTokenWrapper = _nativeTokenWrapper; } /// @dev Store / escrow multiple ERC1155, ERC721, ERC20 tokens. function _storeTokens( address _tokenOwner, Token[] calldata _tokens, string memory _uriForTokens, uint256 _idForTokens ) internal { _createBundle(_tokens, _idForTokens); _setUriOfBundle(_uriForTokens, _idForTokens); _transferTokenBatch(_tokenOwner, address(this), _tokens); } /// @dev Release stored / escrowed ERC1155, ERC721, ERC20 tokens. function _releaseTokens(address _recipient, uint256 _idForContent) internal { uint256 count = getTokenCountOfBundle(_idForContent); Token[] memory tokensToRelease = new Token[](count); for (uint256 i = 0; i < count; i += 1) { tokensToRelease[i] = getTokenOfBundle(_idForContent, i); } _deleteBundle(_idForContent); _transferTokenBatch(address(this), _recipient, tokensToRelease); } /// @dev Transfers an arbitrary ERC20 / ERC721 / ERC1155 token. function _transferToken( address _from, address _to, Token memory _token ) internal { if (_token.tokenType == TokenType.ERC20) { CurrencyTransferLib.transferCurrencyWithWrapper( _token.assetContract, _from, _to, _token.totalAmount, nativeTokenWrapper ); } else if (_token.tokenType == TokenType.ERC721) { IERC721(_token.assetContract).safeTransferFrom(_from, _to, _token.tokenId); } else if (_token.tokenType == TokenType.ERC1155) { IERC1155(_token.assetContract).safeTransferFrom(_from, _to, _token.tokenId, _token.totalAmount, ""); } } /// @dev Transfers multiple arbitrary ERC20 / ERC721 / ERC1155 tokens. function _transferTokenBatch( address _from, address _to, Token[] memory _tokens ) internal { uint256 nativeTokenValue; for (uint256 i = 0; i < _tokens.length; i += 1) { if (_tokens[i].assetContract == CurrencyTransferLib.NATIVE_TOKEN && _to == address(this)) { nativeTokenValue += _tokens[i].totalAmount; } else { _transferToken(_from, _to, _tokens[i]); } } if (nativeTokenValue != 0) { Token memory _nativeToken = Token({ assetContract: CurrencyTransferLib.NATIVE_TOKEN, tokenType: ITokenBundle.TokenType.ERC20, tokenId: 0, totalAmount: nativeTokenValue }); _transferToken(_from, _to, _nativeToken); } } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /** * Thirdweb's `ContractMetadata` is a contract extension for any base contracts. It lets you set a metadata URI * for you contract. * * Additionally, `ContractMetadata` is necessary for NFT contracts that want royalties to get distributed on OpenSea. */ interface IContractMetadata { /// @dev Returns the metadata URI of the contract. function contractURI() external view returns (string memory); /** * @dev Sets contract URI for the storefront-level metadata of the contract. * Only module admin can call this function. */ function setContractURI(string calldata _uri) external; /// @dev Emitted when the contract URI is updated. event ContractURIUpdated(string prevURI, string newURI); }
// SPDX-License-Identifier: Apache 2.0 // Credit: OpenSea pragma solidity ^0.8.0; 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 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); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /** * Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading * who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses * information about who the contract's owner is. */ interface IOwnable { /// @dev Returns the owner of the contract. function owner() external view returns (address); /// @dev Lets a module admin set a new owner for the contract. The new owner must be a module admin. function setOwner(address _newOwner) external; /// @dev Emitted when a new Owner is set. event OwnerUpdated(address indexed prevOwner, address indexed newOwner); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IPermissions { /** * @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; }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import "./IPermissions.sol"; /** * @dev External interface of AccessControlEnumerable declared to support ERC165 detection. */ interface IPermissionsEnumerable is IPermissions { /** * @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 * [forum post](https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296) * 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); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; import "../../eip/interface/IERC2981.sol"; /** * Thirdweb's `Royalty` is a contract extension to be used with any base contract. It exposes functions for setting and reading * the recipient of royalty fee and the royalty fee basis points, and lets the inheriting contract perform conditional logic * that uses information about royalty fees, if desired. * * The `Royalty` contract is ERC2981 compliant. */ interface IRoyalty is IERC2981 { struct RoyaltyInfo { address recipient; uint256 bps; } /// @dev Returns the royalty recipient and fee bps. function getDefaultRoyaltyInfo() external view returns (address, uint16); /// @dev Lets a module admin update the royalty bps and recipient. function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external; /// @dev Lets a module admin set the royalty recipient for a particular token Id. function setRoyaltyInfoForToken( uint256 tokenId, address recipient, uint256 bps ) external; /// @dev Returns the royalty recipient for a particular token Id. function getRoyaltyInfoForToken(uint256 tokenId) external view returns (address, uint16); /// @dev Emitted when royalty info is updated. event DefaultRoyalty(address indexed newRoyaltyRecipient, uint256 newRoyaltyBps); /// @dev Emitted when royalty recipient for tokenId is set event RoyaltyForToken(uint256 indexed tokenId, address indexed royaltyRecipient, uint256 royaltyBps); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; /** * Group together arbitrary ERC20, ERC721 and ERC1155 tokens into a single bundle. * * The `Token` struct is a generic type that can describe any ERC20, ERC721 or ERC1155 token. * The `Bundle` struct is a data structure to track a group/bundle of multiple assets i.e. ERC20, * ERC721 and ERC1155 tokens, each described as a `Token`. * * Expressing tokens as the `Token` type, and grouping them as a `Bundle` allows for writing generic * logic to handle any ERC20, ERC721 or ERC1155 tokens. */ interface ITokenBundle { /// @notice The type of assets that can be wrapped. enum TokenType { ERC20, ERC721, ERC1155 } /** * @notice A generic interface to describe any ERC20, ERC721 or ERC1155 token. * * @param assetContract The contract address of the asset. * @param tokenType The token type (ERC20 / ERC721 / ERC1155) of the asset. * @param tokenId The token Id of the asset, if the asset is an ERC721 / ERC1155 NFT. * @param totalAmount The amount of the asset, if the asset is an ERC20 / ERC1155 fungible token. */ struct Token { address assetContract; TokenType tokenType; uint256 tokenId; uint256 totalAmount; } /** * @notice An internal data structure to track a group / bundle of multiple assets i.e. `Token`s. * * @param count The total number of assets i.e. `Token` in a bundle. * @param uri The (metadata) URI assigned to the bundle created * @param tokens Mapping from a UID -> to a unique asset i.e. `Token` in the bundle. */ struct BundleInfo { uint256 count; string uri; mapping(uint256 => Token) tokens; } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.11; import "../extension/interface/ITokenBundle.sol"; /** * The thirdweb `Pack` contract is a lootbox mechanism. An account can bundle up arbitrary ERC20, ERC721 and ERC1155 tokens into * a set of packs. A pack can then be opened in return for a selection of the tokens in the pack. The selection of tokens distributed * on opening a pack depends on the relative supply of all tokens in the packs. */ interface IPack is ITokenBundle { /** * @notice All info relevant to packs. * * @param perUnitAmounts Mapping from a UID -> to the per-unit amount of that asset i.e. `Token` at that index. * @param openStartTimestamp The timestamp after which packs can be opened. * @param amountDistributedPerOpen The number of reward units distributed per open. */ struct PackInfo { uint256[] perUnitAmounts; uint128 openStartTimestamp; uint128 amountDistributedPerOpen; } /// @notice Emitted when a set of packs is created. event PackCreated(uint256 indexed packId, address recipient, uint256 totalPacksCreated); /// @notice Emitted when more packs are minted for a packId. event PackUpdated(uint256 indexed packId, address recipient, uint256 totalPacksCreated); /// @notice Emitted when a pack is opened. event PackOpened( uint256 indexed packId, address indexed opener, uint256 numOfPacksOpened, Token[] rewardUnitsDistributed ); /** * @notice Creates a pack with the stated contents. * * @param contents The reward units to pack in the packs. * @param numOfRewardUnits The number of reward units to create, for each asset specified in `contents`. * @param packUri The (metadata) URI assigned to the packs created. * @param openStartTimestamp The timestamp after which packs can be opened. * @param amountDistributedPerOpen The number of reward units distributed per open. * @param recipient The recipient of the packs created. * * @return packId The unique identifer of the created set of packs. * @return packTotalSupply The total number of packs created. */ function createPack( Token[] calldata contents, uint256[] calldata numOfRewardUnits, string calldata packUri, uint128 openStartTimestamp, uint128 amountDistributedPerOpen, address recipient ) external payable returns (uint256 packId, uint256 packTotalSupply); /** * @notice Lets a pack owner open a pack and receive the pack's reward unit. * * @param packId The identifier of the pack to open. * @param amountToOpen The number of packs to open at once. */ function openPack(uint256 packId, uint256 amountToOpen) external returns (Token[] memory); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; interface IWETH { function deposit() external payable; function withdraw(uint256 amount) external; function transfer(address to, uint256 value) external returns (bool); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8.0; // Helper interfaces import { IWETH } from "../interfaces/IWETH.sol"; import "../openzeppelin-presets/token/ERC20/utils/SafeERC20.sol"; library CurrencyTransferLib { using SafeERC20 for IERC20; /// @dev The address interpreted as native token of the chain. address public constant NATIVE_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; /// @dev Transfers a given amount of currency. function transferCurrency( address _currency, address _from, address _to, uint256 _amount ) internal { if (_amount == 0) { return; } if (_currency == NATIVE_TOKEN) { safeTransferNativeToken(_to, _amount); } else { safeTransferERC20(_currency, _from, _to, _amount); } } /// @dev Transfers a given amount of currency. (With native token wrapping) function transferCurrencyWithWrapper( address _currency, address _from, address _to, uint256 _amount, address _nativeTokenWrapper ) internal { if (_amount == 0) { return; } if (_currency == NATIVE_TOKEN) { if (_from == address(this)) { // withdraw from weth then transfer withdrawn native token to recipient IWETH(_nativeTokenWrapper).withdraw(_amount); safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper); } else if (_to == address(this)) { // store native currency in weth require(_amount == msg.value, "msg.value != amount"); IWETH(_nativeTokenWrapper).deposit{ value: _amount }(); } else { safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper); } } else { safeTransferERC20(_currency, _from, _to, _amount); } } /// @dev Transfer `amount` of ERC20 token from `from` to `to`. function safeTransferERC20( address _currency, address _from, address _to, uint256 _amount ) internal { if (_from == _to) { return; } if (_from == address(this)) { IERC20(_currency).safeTransfer(_to, _amount); } else { IERC20(_currency).safeTransferFrom(_from, _to, _amount); } } /// @dev Transfers `amount` of native token to `to`. function safeTransferNativeToken(address to, uint256 value) internal { // solhint-disable avoid-low-level-calls // slither-disable-next-line low-level-calls (bool success, ) = to.call{ value: value }(""); require(success, "native token transfer failed"); } /// @dev Transfers `amount` of native token to `to`. (With native token wrapping) function safeTransferNativeTokenWithWrapper( address to, uint256 value, address _nativeTokenWrapper ) internal { // solhint-disable avoid-low-level-calls // slither-disable-next-line low-level-calls (bool success, ) = to.call{ value: value }(""); if (!success) { IWETH(_nativeTokenWrapper).deposit{ value: value }(); IERC20(_nativeTokenWrapper).safeTransfer(to, value); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol) pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library TWAddress { /** * @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. * * [EIP1884](https://eips.ethereum.org/EIPS/eip-1884) 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); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library TWStrings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.0 (metatx/ERC2771Context.sol) pragma solidity ^0.8.11; import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; /** * @dev Context variant with ERC2771 support. */ abstract contract ERC2771ContextUpgradeable is Initializable, ContextUpgradeable { mapping(address => bool) private _trustedForwarder; function __ERC2771Context_init(address[] memory trustedForwarder) internal onlyInitializing { __Context_init_unchained(); __ERC2771Context_init_unchained(trustedForwarder); } function __ERC2771Context_init_unchained(address[] memory trustedForwarder) internal onlyInitializing { for (uint256 i = 0; i < trustedForwarder.length; i++) { _trustedForwarder[trustedForwarder[i]] = true; } } function isTrustedForwarder(address forwarder) public view virtual returns (bool) { return _trustedForwarder[forwarder]; } function _msgSender() internal view virtual override returns (address sender) { if (isTrustedForwarder(msg.sender)) { // The assembly code is more direct than the Solidity version using `abi.decode`. assembly { sender := shr(96, calldataload(sub(calldatasize(), 20))) } } else { return super._msgSender(); } } function _msgData() internal view virtual override returns (bytes calldata) { if (isTrustedForwarder(msg.sender)) { return msg.data[:msg.data.length - 20]; } else { return super._msgData(); } } uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../../../../eip/interface/IERC20.sol"; import "../../../../lib/TWAddress.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using TWAddress for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20 token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance( IERC20 token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/utils/ERC1155Holder.sol) pragma solidity ^0.8.0; import "./ERC1155Receiver.sol"; /** * Simple implementation of `ERC1155Receiver` that will allow a contract to hold ERC1155 tokens. * * IMPORTANT: When inheriting this contract, you must include a way to use the received tokens, otherwise they will be * stuck. * * @dev _Available since v3.1._ */ contract ERC1155Holder is ERC1155Receiver { function onERC1155Received( address, address, uint256, uint256, bytes memory ) public virtual override returns (bytes4) { return this.onERC1155Received.selector; } function onERC1155BatchReceived( address, address, uint256[] memory, uint256[] memory, bytes memory ) public virtual override returns (bytes4) { return this.onERC1155BatchReceived.selector; } }
// SPDX-License-Identifier: Apache 2.0 // OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol) pragma solidity ^0.8.0; import "../../../eip/interface/IERC1155Receiver.sol"; import "../../../eip/ERC165.sol"; /** * @dev _Available since v3.1._ */ abstract contract ERC1155Receiver is ERC165, IERC1155Receiver { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/utils/ERC721Holder.sol) pragma solidity ^0.8.0; import "../../../eip/interface/IERC721Receiver.sol"; /** * @dev Implementation of the {IERC721Receiver} interface. * * Accepts all token transfers. * Make sure the contract is able to use its token with {IERC721-safeTransferFrom}, {IERC721-approve} or {IERC721-setApprovalForAll}. */ contract ERC721Holder is IERC721Receiver { /** * @dev See {IERC721Receiver-onERC721Received}. * * Always returns `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address, address, uint256, bytes memory ) public virtual override returns (bytes4) { return this.onERC721Received.selector; } }
{ "optimizer": { "enabled": true, "runs": 1 }, "evmVersion": "london", "remappings": [], "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
[{"inputs":[{"internalType":"address","name":"_nativeTokenWrapper","type":"address"},{"internalType":"address","name":"_trustedForwarder","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"OperatorNotAllowed","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"prevURI","type":"string"},{"indexed":false,"internalType":"string","name":"newURI","type":"string"}],"name":"ContractURIUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newRoyaltyRecipient","type":"address"},{"indexed":false,"internalType":"uint256","name":"newRoyaltyBps","type":"uint256"}],"name":"DefaultRoyalty","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"prevOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnerUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"packId","type":"uint256"},{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"uint256","name":"totalPacksCreated","type":"uint256"}],"name":"PackCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"packId","type":"uint256"},{"indexed":true,"internalType":"address","name":"opener","type":"address"},{"indexed":false,"internalType":"uint256","name":"numOfPacksOpened","type":"uint256"},{"components":[{"internalType":"address","name":"assetContract","type":"address"},{"internalType":"enum ITokenBundle.TokenType","name":"tokenType","type":"uint8"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"totalAmount","type":"uint256"}],"indexed":false,"internalType":"struct ITokenBundle.Token[]","name":"rewardUnitsDistributed","type":"tuple[]"}],"name":"PackOpened","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"packId","type":"uint256"},{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"uint256","name":"totalPacksCreated","type":"uint256"}],"name":"PackUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"royaltyRecipient","type":"address"},{"indexed":false,"internalType":"uint256","name":"royaltyBps","type":"uint256"}],"name":"RoyaltyForToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"values","type":"uint256[]"}],"name":"TransferBatch","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"TransferSingle","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"value","type":"string"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"URI","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_packId","type":"uint256"},{"components":[{"internalType":"address","name":"assetContract","type":"address"},{"internalType":"enum ITokenBundle.TokenType","name":"tokenType","type":"uint8"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"totalAmount","type":"uint256"}],"internalType":"struct ITokenBundle.Token[]","name":"_contents","type":"tuple[]"},{"internalType":"uint256[]","name":"_numOfRewardUnits","type":"uint256[]"},{"internalType":"address","name":"_recipient","type":"address"}],"name":"addPackContents","outputs":[{"internalType":"uint256","name":"packTotalSupply","type":"uint256"},{"internalType":"uint256","name":"newSupplyAdded","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"accounts","type":"address[]"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"}],"name":"balanceOfBatch","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"canUpdatePack","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"contractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"assetContract","type":"address"},{"internalType":"enum ITokenBundle.TokenType","name":"tokenType","type":"uint8"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"totalAmount","type":"uint256"}],"internalType":"struct ITokenBundle.Token[]","name":"_contents","type":"tuple[]"},{"internalType":"uint256[]","name":"_numOfRewardUnits","type":"uint256[]"},{"internalType":"string","name":"_packUri","type":"string"},{"internalType":"uint128","name":"_openStartTimestamp","type":"uint128"},{"internalType":"uint128","name":"_amountDistributedPerOpen","type":"uint128"},{"internalType":"address","name":"_recipient","type":"address"}],"name":"createPack","outputs":[{"internalType":"uint256","name":"packId","type":"uint256"},{"internalType":"uint256","name":"packTotalSupply","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"getDefaultRoyaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_packId","type":"uint256"}],"name":"getPackContents","outputs":[{"components":[{"internalType":"address","name":"assetContract","type":"address"},{"internalType":"enum ITokenBundle.TokenType","name":"tokenType","type":"uint8"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"totalAmount","type":"uint256"}],"internalType":"struct ITokenBundle.Token[]","name":"contents","type":"tuple[]"},{"internalType":"uint256[]","name":"perUnitAmounts","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getRoleMember","outputs":[{"internalType":"address","name":"member","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleMemberCount","outputs":[{"internalType":"uint256","name":"count","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"getRoyaltyInfoForToken","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_bundleId","type":"uint256"}],"name":"getTokenCountOfBundle","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_bundleId","type":"uint256"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getTokenOfBundle","outputs":[{"components":[{"internalType":"address","name":"assetContract","type":"address"},{"internalType":"enum ITokenBundle.TokenType","name":"tokenType","type":"uint8"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"totalAmount","type":"uint256"}],"internalType":"struct ITokenBundle.Token","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_bundleId","type":"uint256"}],"name":"getUriOfBundle","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRoleWithSwitch","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_defaultAdmin","type":"address"},{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"string","name":"_contractURI","type":"string"},{"internalType":"address[]","name":"_trustedForwarders","type":"address[]"},{"internalType":"address","name":"_royaltyRecipient","type":"address"},{"internalType":"uint256","name":"_royaltyBps","type":"uint256"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"forwarder","type":"address"}],"name":"isTrustedForwarder","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes[]","name":"data","type":"bytes[]"}],"name":"multicall","outputs":[{"internalType":"bytes[]","name":"results","type":"bytes[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nextTokenIdToMint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC1155BatchReceived","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC1155Received","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC721Received","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_packId","type":"uint256"},{"internalType":"uint256","name":"_amountToOpen","type":"uint256"}],"name":"openPack","outputs":[{"components":[{"internalType":"address","name":"assetContract","type":"address"},{"internalType":"enum ITokenBundle.TokenType","name":"tokenType","type":"uint8"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"totalAmount","type":"uint256"}],"internalType":"struct ITokenBundle.Token[]","name":"","type":"tuple[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"royaltyAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeBatchTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_uri","type":"string"}],"name":"setContractURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_royaltyRecipient","type":"address"},{"internalType":"uint256","name":"_royaltyBps","type":"uint256"}],"name":"setDefaultRoyaltyInfo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"setOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"address","name":"_recipient","type":"address"},{"internalType":"uint256","name":"_bps","type":"uint256"}],"name":"setRoyaltyInfoForToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.