Transaction Hash:
Block:
16622540 at Feb-13-2023 09:32:35 PM +UTC
Transaction Fee:
0.001423211136927396 ETH
$2.58
Gas Used:
64,173 Gas / 22.177724852 Gwei
Emitted Events:
164 |
PWC.0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62( 0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62, 0x0000000000000000000000002725bc53a2f792d4fff5397092ad631f51700aaa, 0x0000000000000000000000002725bc53a2f792d4fff5397092ad631f51700aaa, 0x0000000000000000000000005a98db5d98a9716ec48012c364d42768d7b1e243, 0000000000000000000000000000000000000000000000000000000000000005, 0000000000000000000000000000000000000000000000000000000000000001 )
|
Account State Difference:
Address | Before | After | State Difference | ||
---|---|---|---|---|---|
0x2725bC53...F51700AaA |
0.027759280639068846 Eth
Nonce: 276
|
0.02633606950214145 Eth
Nonce: 277
| 0.001423211136927396 | ||
0x95222290...5CC4BAfe5
Miner
| (beaverbuild) | 92.728031365974875172 Eth | 92.728095538974875172 Eth | 0.000064173 | |
0xe77ad290...1B45FeeFf |
Execution Trace
PWC.f242432a( )

-
ERC1155CreatorImplementation.safeTransferFrom( from=0x2725bC53A2f792D4fff5397092ad631F51700AaA, to=0x5A98db5D98A9716Ec48012c364d42768d7b1E243, id=5, amount=1, data=0x )
safeTransferFrom[ERC1155Upgradeable (ln:1516)]
_msgSender[ERC1155Upgradeable (ln:1524)]
isApprovedForAll[ERC1155Upgradeable (ln:1524)]
_msgSender[ERC1155Upgradeable (ln:1524)]
_safeTransferFrom[ERC1155Upgradeable (ln:1527)]
_msgSender[ERC1155Upgradeable (ln:1565)]
_asSingletonArray[ERC1155Upgradeable (ln:1566)]
_asSingletonArray[ERC1155Upgradeable (ln:1567)]
_beforeTokenTransfer[ERC1155Upgradeable (ln:1568)]
TransferSingle[ERC1155Upgradeable (ln:1575)]
_afterTokenTransfer[ERC1155Upgradeable (ln:1576)]
_doSafeTransferAcceptanceCheck[ERC1155Upgradeable (ln:1577)]
isContract[ERC1155Upgradeable (ln:1827)]
onERC1155Received[ERC1155Upgradeable (ln:1828)]
revert[ERC1155Upgradeable (ln:1830)]
revert[ERC1155Upgradeable (ln:1833)]
revert[ERC1155Upgradeable (ln:1835)]
File 1 of 2: PWC
File 2 of 2: ERC1155CreatorImplementation
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @title: Proceed w/ Caution /// @author: manifold.xyz import "./manifold/ERC1155Creator.sol"; ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // // // // // ██████ ██████ ██████ ██████ ███████ ███████ ██████ ██ ██ ██ ██████ █████ ██ ██ ████████ ██ ██████ ███ ██ // // ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ████ ██ // // ██████ ██████ ██ ██ ██ █████ █████ ██ ██ ██ █ ██ ██ ██ ███████ ██ ██ ██ ██ ██ ██ ██ ██ ██ // // ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ███ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ // // ██ ██ ██ ██████ ██████ ███████ ███████ ██████ ███ ███ ██ ██████ ██ ██ ██████ ██ ██ ██████ ██ ████ // // // // By Des Lucréce // // // // // ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// contract PWC is ERC1155Creator { constructor() ERC1155Creator("Proceed w/ Caution", "PWC") {} } // SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/proxy/Proxy.sol"; import "@openzeppelin/contracts/utils/Address.sol"; import "@openzeppelin/contracts/utils/StorageSlot.sol"; contract ERC1155Creator is Proxy { constructor(string memory name, string memory symbol) { assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1)); StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0x6bf5ed59dE0E19999d264746843FF931c0133090; Address.functionDelegateCall( 0x6bf5ed59dE0E19999d264746843FF931c0133090, abi.encodeWithSignature("initialize(string,string)", name, symbol) ); } /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev Returns the current implementation address. */ function implementation() public view returns (address) { return _implementation(); } function _implementation() internal override view returns (address) { return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; } } // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol) pragma solidity ^0.8.0; /** * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to * be specified by overriding the virtual {_implementation} function. * * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a * different contract through the {_delegate} function. * * The success and return data of the delegated call will be returned back to the caller of the proxy. */ abstract contract Proxy { /** * @dev Delegates the current call to `implementation`. * * This function does not return to its internal call site, it will return directly to the external caller. */ function _delegate(address implementation) internal virtual { assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize()) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0) // Copy the returned data. returndatacopy(0, 0, returndatasize()) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize()) } default { return(0, returndatasize()) } } } /** * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function * and {_fallback} should delegate. */ function _implementation() internal view virtual returns (address); /** * @dev Delegates the current call to the address returned by `_implementation()`. * * This function does not return to its internal call site, it will return directly to the external caller. */ function _fallback() internal virtual { _beforeFallback(); _delegate(_implementation()); } /** * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other * function in the contract matches the call data. */ fallback() external payable virtual { _fallback(); } /** * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data * is empty. */ receive() external payable virtual { _fallback(); } /** * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback` * call, or as part of the Solidity `fallback` or `receive` functions. * * If overridden should call `super._beforeFallback()`. */ function _beforeFallback() internal virtual {} } // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, "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"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, 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) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, 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) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata, errorMessage); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract. * * _Available since v4.8._ */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata, string memory errorMessage ) internal view returns (bytes memory) { if (success) { if (returndata.length == 0) { // only check isContract if the call was successful and the return data is empty // otherwise we already know that it was a contract require(isContract(target), "Address: call to non-contract"); } return returndata; } else { _revert(returndata, errorMessage); } } /** * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason or 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 { _revert(returndata, errorMessage); } } function _revert(bytes memory returndata, string memory errorMessage) private pure { // 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 (last updated v4.7.0) (utils/StorageSlot.sol) pragma solidity ^0.8.0; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC1967 implementation slot: * ``` * contract ERC1967 { * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract"); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._ */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } }
File 2 of 2: ERC1155CreatorImplementation
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts-upgradeable/token/ERC1155/ERC1155Upgradeable.sol"; import "@manifoldxyz/libraries-solidity/contracts/access/AdminControlUpgradeable.sol"; import "./core/ERC1155CreatorCore.sol"; /** * @dev ERC1155Creator implementation */ contract ERC1155CreatorImplementation is AdminControlUpgradeable, ERC1155Upgradeable, ERC1155CreatorCore { mapping(uint256 => uint256) private _totalSupply; /** * Initializer */ function initialize(string memory _name, string memory _symbol) public initializer { __ERC1155_init(""); __Ownable_init(); name = _name; symbol = _symbol; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC1155Upgradeable, ERC1155CreatorCore, AdminControlUpgradeable) returns (bool) { return ERC1155CreatorCore.supportsInterface(interfaceId) || ERC1155Upgradeable.supportsInterface(interfaceId) || AdminControlUpgradeable.supportsInterface(interfaceId); } function _beforeTokenTransfer(address, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory) internal virtual override { _approveTransfer(from, to, ids, amounts); } /** * @dev See {ICreatorCore-registerExtension}. */ function registerExtension(address extension, string calldata baseURI) external override adminRequired { requireNonBlacklist(extension); _registerExtension(extension, baseURI, false); } /** * @dev See {ICreatorCore-registerExtension}. */ function registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) external override adminRequired { requireNonBlacklist(extension); _registerExtension(extension, baseURI, baseURIIdentical); } /** * @dev See {ICreatorCore-unregisterExtension}. */ function unregisterExtension(address extension) external override adminRequired { _unregisterExtension(extension); } /** * @dev See {ICreatorCore-blacklistExtension}. */ function blacklistExtension(address extension) external override adminRequired { _blacklistExtension(extension); } /** * @dev See {ICreatorCore-setBaseTokenURIExtension}. */ function setBaseTokenURIExtension(string calldata uri_) external override { requireExtension(); _setBaseTokenURIExtension(uri_, false); } /** * @dev See {ICreatorCore-setBaseTokenURIExtension}. */ function setBaseTokenURIExtension(string calldata uri_, bool identical) external override { requireExtension(); _setBaseTokenURIExtension(uri_, identical); } /** * @dev See {ICreatorCore-setTokenURIPrefixExtension}. */ function setTokenURIPrefixExtension(string calldata prefix) external override { requireExtension(); _setTokenURIPrefixExtension(prefix); } /** * @dev See {ICreatorCore-setTokenURIExtension}. */ function setTokenURIExtension(uint256 tokenId, string calldata uri_) external override { requireExtension(); _setTokenURIExtension(tokenId, uri_); } /** * @dev See {ICreatorCore-setTokenURIExtension}. */ function setTokenURIExtension(uint256[] memory tokenIds, string[] calldata uris) external override { requireExtension(); require(tokenIds.length == uris.length, "Invalid input"); for (uint i; i < tokenIds.length;) { _setTokenURIExtension(tokenIds[i], uris[i]); unchecked { ++i; } } } /** * @dev See {ICreatorCore-setBaseTokenURI}. */ function setBaseTokenURI(string calldata uri_) external override adminRequired { _setBaseTokenURI(uri_); } /** * @dev See {ICreatorCore-setTokenURIPrefix}. */ function setTokenURIPrefix(string calldata prefix) external override adminRequired { _setTokenURIPrefix(prefix); } /** * @dev See {ICreatorCore-setTokenURI}. */ function setTokenURI(uint256 tokenId, string calldata uri_) external override adminRequired { _setTokenURI(tokenId, uri_); } /** * @dev See {ICreatorCore-setTokenURI}. */ function setTokenURI(uint256[] memory tokenIds, string[] calldata uris) external override adminRequired { require(tokenIds.length == uris.length, "Invalid input"); for (uint i; i < tokenIds.length;) { _setTokenURI(tokenIds[i], uris[i]); unchecked { ++i; } } } /** * @dev See {ICreatorCore-setMintPermissions}. */ function setMintPermissions(address extension, address permissions) external override adminRequired { _setMintPermissions(extension, permissions); } /** * @dev See {IERC1155CreatorCore-mintBaseNew}. */ function mintBaseNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) public virtual override nonReentrant adminRequired returns(uint256[] memory) { return _mintNew(address(0), to, amounts, uris); } /** * @dev See {IERC1155CreatorCore-mintBaseExisting}. */ function mintBaseExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) public virtual override nonReentrant adminRequired { for (uint i; i < tokenIds.length;) { uint256 tokenId = tokenIds[i]; require(tokenId > 0 && tokenId <= _tokenCount, "Invalid token"); require(_tokensExtension[tokenId] == address(0), "Token created by extension"); unchecked { ++i; } } _mintExisting(address(0), to, tokenIds, amounts); } /** * @dev See {IERC1155CreatorCore-mintExtensionNew}. */ function mintExtensionNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) public virtual override nonReentrant returns(uint256[] memory tokenIds) { requireExtension(); return _mintNew(msg.sender, to, amounts, uris); } /** * @dev See {IERC1155CreatorCore-mintExtensionExisting}. */ function mintExtensionExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) public virtual override nonReentrant { requireExtension(); for (uint i; i < tokenIds.length;) { require(_tokensExtension[tokenIds[i]] == address(msg.sender), "Token not created by this extension"); unchecked { ++i; } } _mintExisting(msg.sender, to, tokenIds, amounts); } /** * @dev Mint new tokens */ function _mintNew(address extension, address[] memory to, uint256[] memory amounts, string[] memory uris) internal returns(uint256[] memory tokenIds) { if (to.length > 1) { // Multiple receiver. Give every receiver the same new token tokenIds = new uint256[](1); require(uris.length <= 1 && (amounts.length == 1 || to.length == amounts.length), "Invalid input"); } else { // Single receiver. Generating multiple tokens tokenIds = new uint256[](amounts.length); require(uris.length == 0 || amounts.length == uris.length, "Invalid input"); } // Assign tokenIds for (uint i; i < tokenIds.length;) { ++_tokenCount; tokenIds[i] = _tokenCount; // Track the extension that minted the token _tokensExtension[_tokenCount] = extension; unchecked { ++i; } } if (extension != address(0)) { _checkMintPermissions(to, tokenIds, amounts); } if (to.length == 1 && tokenIds.length == 1) { // Single mint _mint(to[0], tokenIds[0], amounts[0], new bytes(0)); } else if (to.length > 1) { // Multiple receivers. Receiving the same token if (amounts.length == 1) { // Everyone receiving the same amount for (uint i; i < to.length;) { _mint(to[i], tokenIds[0], amounts[0], new bytes(0)); unchecked { ++i; } } } else { // Everyone receiving different amounts for (uint i; i < to.length;) { _mint(to[i], tokenIds[0], amounts[i], new bytes(0)); unchecked { ++i; } } } } else { _mintBatch(to[0], tokenIds, amounts, new bytes(0)); } for (uint i; i < tokenIds.length;) { if (i < uris.length && bytes(uris[i]).length > 0) { _tokenURIs[tokenIds[i]] = uris[i]; } unchecked { ++i; } } } /** * @dev Mint existing tokens */ function _mintExisting(address extension, address[] memory to, uint256[] memory tokenIds, uint256[] memory amounts) internal { if (extension != address(0)) { _checkMintPermissions(to, tokenIds, amounts); } if (to.length == 1 && tokenIds.length == 1 && amounts.length == 1) { // Single mint _mint(to[0], tokenIds[0], amounts[0], new bytes(0)); } else if (to.length == 1 && tokenIds.length == amounts.length) { // Batch mint to same receiver _mintBatch(to[0], tokenIds, amounts, new bytes(0)); } else if (tokenIds.length == 1 && amounts.length == 1) { // Mint of the same token/token amounts to various receivers for (uint i; i < to.length;) { _mint(to[i], tokenIds[0], amounts[0], new bytes(0)); unchecked { ++i; } } } else if (tokenIds.length == 1 && to.length == amounts.length) { // Mint of the same token with different amounts to different receivers for (uint i; i < to.length;) { _mint(to[i], tokenIds[0], amounts[i], new bytes(0)); unchecked { ++i; } } } else if (to.length == tokenIds.length && to.length == amounts.length) { // Mint of different tokens and different amounts to different receivers for (uint i; i < to.length;) { _mint(to[i], tokenIds[i], amounts[i], new bytes(0)); unchecked { ++i; } } } else { revert("Invalid input"); } } /** * @dev See {IERC1155CreatorCore-tokenExtension}. */ function tokenExtension(uint256 tokenId) public view virtual override returns (address) { return _tokenExtension(tokenId); } /** * @dev See {IERC1155CreatorCore-burn}. */ function burn(address account, uint256[] memory tokenIds, uint256[] memory amounts) public virtual override nonReentrant { require(account == msg.sender || isApprovedForAll(account, msg.sender), "Caller is not owner nor approved"); require(tokenIds.length == amounts.length, "Invalid input"); if (tokenIds.length == 1) { _burn(account, tokenIds[0], amounts[0]); } else { _burnBatch(account, tokenIds, amounts); } _postBurn(account, tokenIds, amounts); } /** * @dev See {ICreatorCore-setRoyalties}. */ function setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired { _setRoyaltiesExtension(address(0), receivers, basisPoints); } /** * @dev See {ICreatorCore-setRoyalties}. */ function setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired { _setRoyalties(tokenId, receivers, basisPoints); } /** * @dev See {ICreatorCore-setRoyaltiesExtension}. */ function setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) external override adminRequired { _setRoyaltiesExtension(extension, receivers, basisPoints); } /** * @dev See {ICreatorCore-getRoyalties}. */ function getRoyalties(uint256 tokenId) external view virtual override returns (address payable[] memory, uint256[] memory) { return _getRoyalties(tokenId); } /** * @dev See {ICreatorCore-getFees}. */ function getFees(uint256 tokenId) external view virtual override returns (address payable[] memory, uint256[] memory) { return _getRoyalties(tokenId); } /** * @dev See {ICreatorCore-getFeeRecipients}. */ function getFeeRecipients(uint256 tokenId) external view virtual override returns (address payable[] memory) { return _getRoyaltyReceivers(tokenId); } /** * @dev See {ICreatorCore-getFeeBps}. */ function getFeeBps(uint256 tokenId) external view virtual override returns (uint[] memory) { return _getRoyaltyBPS(tokenId); } /** * @dev See {ICreatorCore-royaltyInfo}. */ function royaltyInfo(uint256 tokenId, uint256 value) external view virtual override returns (address, uint256) { return _getRoyaltyInfo(tokenId, value); } /** * @dev See {IERC1155-uri}. */ function uri(uint256 tokenId) public view virtual override returns (string memory) { return _tokenURI(tokenId); } /** * @dev Total amount of tokens in with a given id. */ function totalSupply(uint256 tokenId) external view virtual override returns (uint256) { return _totalSupply[tokenId]; } /** * @dev See {ERC1155-_mint}. */ function _mint(address account, uint256 id, uint256 amount, bytes memory data) internal virtual override { super._mint(account, id, amount, data); _totalSupply[id] += amount; } /** * @dev See {ERC1155-_mintBatch}. */ function _mintBatch(address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data) internal virtual override { super._mintBatch(to, ids, amounts, data); for (uint i; i < ids.length;) { _totalSupply[ids[i]] += amounts[i]; unchecked { ++i; } } } /** * @dev See {ERC1155-_burn}. */ function _burn(address account, uint256 id, uint256 amount) internal virtual override { super._burn(account, id, amount); _totalSupply[id] -= amount; } /** * @dev See {ERC1155-_burnBatch}. */ function _burnBatch(address account, uint256[] memory ids, uint256[] memory amounts) internal virtual override { super._burnBatch(account, ids, amounts); for (uint i; i < ids.length;) { _totalSupply[ids[i]] -= amounts[i]; unchecked { ++i; } } } /** * @dev See {ICreatorCore-setApproveTransfer}. */ function setApproveTransfer(address extension) external override adminRequired { _setApproveTransferBase(extension); } }// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/utils/introspection/ERC165.sol"; import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol"; import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol"; import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol"; import "../extensions/ICreatorExtensionTokenURI.sol"; import "../extensions/ICreatorExtensionRoyalties.sol"; import "./ICreatorCore.sol"; /** * @dev Core creator implementation */ abstract contract CreatorCore is ReentrancyGuard, ICreatorCore, ERC165 { using Strings for uint256; using EnumerableSet for EnumerableSet.AddressSet; using AddressUpgradeable for address; uint256 internal _tokenCount = 0; // Base approve transfers address location address internal _approveTransferBase; // Track registered extensions data EnumerableSet.AddressSet internal _extensions; EnumerableSet.AddressSet internal _blacklistedExtensions; mapping (address => address) internal _extensionPermissions; mapping (address => bool) internal _extensionApproveTransfers; // For tracking which extension a token was minted by mapping (uint256 => address) internal _tokensExtension; // The baseURI for a given extension mapping (address => string) private _extensionBaseURI; mapping (address => bool) private _extensionBaseURIIdentical; // The prefix for any tokens with a uri configured mapping (address => string) private _extensionURIPrefix; // Mapping for individual token URIs mapping (uint256 => string) internal _tokenURIs; // Royalty configurations struct RoyaltyConfig { address payable receiver; uint16 bps; } mapping (address => RoyaltyConfig[]) internal _extensionRoyalty; mapping (uint256 => RoyaltyConfig[]) internal _tokenRoyalty; bytes4 private constant _CREATOR_CORE_V1 = 0x28f10a21; /** * External interface identifiers for royalties */ /** * @dev CreatorCore * * bytes4(keccak256('getRoyalties(uint256)')) == 0xbb3bafd6 * * => 0xbb3bafd6 = 0xbb3bafd6 */ bytes4 private constant _INTERFACE_ID_ROYALTIES_CREATORCORE = 0xbb3bafd6; /** * @dev Rarible: RoyaltiesV1 * * bytes4(keccak256('getFeeRecipients(uint256)')) == 0xb9c4d9fb * bytes4(keccak256('getFeeBps(uint256)')) == 0x0ebd4c7f * * => 0xb9c4d9fb ^ 0x0ebd4c7f = 0xb7799584 */ bytes4 private constant _INTERFACE_ID_ROYALTIES_RARIBLE = 0xb7799584; /** * @dev Foundation * * bytes4(keccak256('getFees(uint256)')) == 0xd5a06d4c * * => 0xd5a06d4c = 0xd5a06d4c */ bytes4 private constant _INTERFACE_ID_ROYALTIES_FOUNDATION = 0xd5a06d4c; /** * @dev EIP-2981 * * bytes4(keccak256("royaltyInfo(uint256,uint256)")) == 0x2a55205a * * => 0x2a55205a = 0x2a55205a */ bytes4 private constant _INTERFACE_ID_ROYALTIES_EIP2981 = 0x2a55205a; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(ICreatorCore).interfaceId || interfaceId == _CREATOR_CORE_V1 || super.supportsInterface(interfaceId) || interfaceId == _INTERFACE_ID_ROYALTIES_CREATORCORE || interfaceId == _INTERFACE_ID_ROYALTIES_RARIBLE || interfaceId == _INTERFACE_ID_ROYALTIES_FOUNDATION || interfaceId == _INTERFACE_ID_ROYALTIES_EIP2981; } /** * @dev Only allows registered extensions to call the specified function */ function requireExtension() internal view { require(_extensions.contains(msg.sender), "Must be registered extension"); } /** * @dev Only allows non-blacklisted extensions */ function requireNonBlacklist(address extension) internal view { require(!_blacklistedExtensions.contains(extension), "Extension blacklisted"); } /** * @dev See {ICreatorCore-getExtensions}. */ function getExtensions() external view override returns (address[] memory extensions) { extensions = new address[](_extensions.length()); for (uint i; i < _extensions.length();) { extensions[i] = _extensions.at(i); unchecked { ++i; } } return extensions; } /** * @dev Register an extension */ function _registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) internal { require(extension != address(this) && extension.isContract(), "Invalid"); emit ExtensionRegistered(extension, msg.sender); _extensionBaseURI[extension] = baseURI; _extensionBaseURIIdentical[extension] = baseURIIdentical; _extensions.add(extension); _setApproveTransferExtension(extension, true); } /** * @dev See {ICreatorCore-setApproveTransferExtension}. */ function setApproveTransferExtension(bool enabled) external override { requireExtension(); _setApproveTransferExtension(msg.sender, enabled); } /** * @dev Set whether or not tokens minted by the extension defers transfer approvals to the extension */ function _setApproveTransferExtension(address extension, bool enabled) internal virtual; /** * @dev Unregister an extension */ function _unregisterExtension(address extension) internal { emit ExtensionUnregistered(extension, msg.sender); _extensions.remove(extension); } /** * @dev Blacklist an extension */ function _blacklistExtension(address extension) internal { require(extension != address(0) && extension != address(this), "Cannot blacklist yourself"); if (_extensions.contains(extension)) { emit ExtensionUnregistered(extension, msg.sender); _extensions.remove(extension); } if (!_blacklistedExtensions.contains(extension)) { emit ExtensionBlacklisted(extension, msg.sender); _blacklistedExtensions.add(extension); } } /** * @dev Set base token uri for an extension */ function _setBaseTokenURIExtension(string calldata uri, bool identical) internal { _extensionBaseURI[msg.sender] = uri; _extensionBaseURIIdentical[msg.sender] = identical; } /** * @dev Set token uri prefix for an extension */ function _setTokenURIPrefixExtension(string calldata prefix) internal { _extensionURIPrefix[msg.sender] = prefix; } /** * @dev Set token uri for a token of an extension */ function _setTokenURIExtension(uint256 tokenId, string calldata uri) internal { require(_tokensExtension[tokenId] == msg.sender, "Invalid token"); _tokenURIs[tokenId] = uri; } /** * @dev Set base token uri for tokens with no extension */ function _setBaseTokenURI(string memory uri) internal { _extensionBaseURI[address(0)] = uri; } /** * @dev Set token uri prefix for tokens with no extension */ function _setTokenURIPrefix(string calldata prefix) internal { _extensionURIPrefix[address(0)] = prefix; } /** * @dev Set token uri for a token with no extension */ function _setTokenURI(uint256 tokenId, string calldata uri) internal { require(tokenId > 0 && tokenId <= _tokenCount && _tokensExtension[tokenId] == address(0), "Invalid token"); _tokenURIs[tokenId] = uri; } /** * @dev Retrieve a token's URI */ function _tokenURI(uint256 tokenId) internal view returns (string memory) { require(tokenId > 0 && tokenId <= _tokenCount, "Invalid token"); address extension = _tokensExtension[tokenId]; require(!_blacklistedExtensions.contains(extension), "Extension blacklisted"); if (bytes(_tokenURIs[tokenId]).length != 0) { if (bytes(_extensionURIPrefix[extension]).length != 0) { return string(abi.encodePacked(_extensionURIPrefix[extension],_tokenURIs[tokenId])); } return _tokenURIs[tokenId]; } if (ERC165Checker.supportsInterface(extension, type(ICreatorExtensionTokenURI).interfaceId)) { return ICreatorExtensionTokenURI(extension).tokenURI(address(this), tokenId); } if (!_extensionBaseURIIdentical[extension]) { return string(abi.encodePacked(_extensionBaseURI[extension], tokenId.toString())); } else { return _extensionBaseURI[extension]; } } /** * Get token extension */ function _tokenExtension(uint256 tokenId) internal view returns (address extension) { extension = _tokensExtension[tokenId]; require(extension != address(0), "No extension for token"); require(!_blacklistedExtensions.contains(extension), "Extension blacklisted"); return extension; } /** * Helper to get royalties for a token */ function _getRoyalties(uint256 tokenId) view internal returns (address payable[] memory receivers, uint256[] memory bps) { // Get token level royalties RoyaltyConfig[] memory royalties = _tokenRoyalty[tokenId]; if (royalties.length == 0) { // Get extension specific royalties address extension = _tokensExtension[tokenId]; if (extension != address(0)) { if (ERC165Checker.supportsInterface(extension, type(ICreatorExtensionRoyalties).interfaceId)) { (receivers, bps) = ICreatorExtensionRoyalties(extension).getRoyalties(address(this), tokenId); // Extension override exists, just return that if (receivers.length > 0) return (receivers, bps); } royalties = _extensionRoyalty[extension]; } } if (royalties.length == 0) { // Get the default royalty royalties = _extensionRoyalty[address(0)]; } if (royalties.length > 0) { receivers = new address payable[](royalties.length); bps = new uint256[](royalties.length); for (uint i; i < royalties.length;) { receivers[i] = royalties[i].receiver; bps[i] = royalties[i].bps; unchecked { ++i; } } } } /** * Helper to get royalty receivers for a token */ function _getRoyaltyReceivers(uint256 tokenId) view internal returns (address payable[] memory recievers) { (recievers, ) = _getRoyalties(tokenId); } /** * Helper to get royalty basis points for a token */ function _getRoyaltyBPS(uint256 tokenId) view internal returns (uint256[] memory bps) { (, bps) = _getRoyalties(tokenId); } function _getRoyaltyInfo(uint256 tokenId, uint256 value) view internal returns (address receiver, uint256 amount){ (address payable[] memory receivers, uint256[] memory bps) = _getRoyalties(tokenId); require(receivers.length <= 1, "More than 1 royalty receiver"); if (receivers.length == 0) { return (address(this), 0); } return (receivers[0], bps[0]*value/10000); } /** * Set royalties for a token */ function _setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) internal { _checkRoyalties(receivers, basisPoints); delete _tokenRoyalty[tokenId]; _setRoyalties(receivers, basisPoints, _tokenRoyalty[tokenId]); emit RoyaltiesUpdated(tokenId, receivers, basisPoints); } /** * Set royalties for all tokens of an extension */ function _setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) internal { _checkRoyalties(receivers, basisPoints); delete _extensionRoyalty[extension]; _setRoyalties(receivers, basisPoints, _extensionRoyalty[extension]); if (extension == address(0)) { emit DefaultRoyaltiesUpdated(receivers, basisPoints); } else { emit ExtensionRoyaltiesUpdated(extension, receivers, basisPoints); } } /** * Helper function to check that royalties provided are valid */ function _checkRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) private pure { require(receivers.length == basisPoints.length, "Invalid input"); uint256 totalBasisPoints; for (uint i; i < basisPoints.length;) { totalBasisPoints += basisPoints[i]; unchecked { ++i; } } require(totalBasisPoints < 10000, "Invalid total royalties"); } /** * Helper function to set royalties */ function _setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints, RoyaltyConfig[] storage royalties) private { for (uint i; i < basisPoints.length;) { royalties.push( RoyaltyConfig( { receiver: receivers[i], bps: uint16(basisPoints[i]) } ) ); unchecked { ++i; } } } /** * @dev See {ICreatorCore-getApproveTransfer}. */ function getApproveTransfer() external view override returns (address) { return _approveTransferBase; } } // SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol"; import "../extensions/ERC1155/IERC1155CreatorExtensionApproveTransfer.sol"; import "../extensions/ERC1155/IERC1155CreatorExtensionBurnable.sol"; import "../permissions/ERC1155/IERC1155CreatorMintPermissions.sol"; import "./IERC1155CreatorCore.sol"; import "./CreatorCore.sol"; /** * @dev Core ERC1155 creator implementation */ abstract contract ERC1155CreatorCore is CreatorCore, IERC1155CreatorCore { uint256 constant public VERSION = 2; using EnumerableSet for EnumerableSet.AddressSet; string public name; string public symbol; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(CreatorCore, IERC165) returns (bool) { return interfaceId == type(IERC1155CreatorCore).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {CreatorCore-_setApproveTransferExtension} */ function _setApproveTransferExtension(address extension, bool enabled) internal override { if (ERC165Checker.supportsInterface(extension, type(IERC1155CreatorExtensionApproveTransfer).interfaceId)) { _extensionApproveTransfers[extension] = enabled; emit ExtensionApproveTransferUpdated(extension, enabled); } } /** * @dev Set the base contract's approve transfer contract location */ function _setApproveTransferBase(address extension) internal { _approveTransferBase = extension; emit ApproveTransferUpdated(extension); } /** * @dev Set mint permissions for an extension */ function _setMintPermissions(address extension, address permissions) internal { require(_extensions.contains(extension), "Invalid extension"); require(permissions == address(0) || ERC165Checker.supportsInterface(permissions, type(IERC1155CreatorMintPermissions).interfaceId), "Invalid address"); if (_extensionPermissions[extension] != permissions) { _extensionPermissions[extension] = permissions; emit MintPermissionsUpdated(extension, permissions, msg.sender); } } /** * Check if an extension can mint */ function _checkMintPermissions(address[] memory to, uint256[] memory tokenIds, uint256[] memory amounts) internal { if (_extensionPermissions[msg.sender] != address(0)) { IERC1155CreatorMintPermissions(_extensionPermissions[msg.sender]).approveMint(msg.sender, to, tokenIds, amounts); } } /** * Post burn actions */ function _postBurn(address owner, uint256[] memory tokenIds, uint256[] memory amounts) internal virtual { require(tokenIds.length > 0, "Invalid input"); address extension = _tokensExtension[tokenIds[0]]; for (uint i; i < tokenIds.length;) { require(_tokensExtension[tokenIds[i]] == extension, "Mismatched token originators"); unchecked { ++i; } } // Callback to originating extension if needed if (extension != address(0)) { if (ERC165Checker.supportsInterface(extension, type(IERC1155CreatorExtensionBurnable).interfaceId)) { IERC1155CreatorExtensionBurnable(extension).onBurn(owner, tokenIds, amounts); } } } /** * Approve a transfer */ function _approveTransfer(address from, address to, uint256[] memory tokenIds, uint256[] memory amounts) internal { require(tokenIds.length > 0, "Invalid input"); address extension = _tokensExtension[tokenIds[0]]; for (uint i; i < tokenIds.length;) { require(_tokensExtension[tokenIds[i]] == extension, "Mismatched token originators"); unchecked { ++i; } } if (_extensionApproveTransfers[extension]) { require(IERC1155CreatorExtensionApproveTransfer(extension).approveTransfer(msg.sender, from, to, tokenIds, amounts), "Extension approval failure"); } else if (_approveTransferBase != address(0)) { require(IERC1155CreatorExtensionApproveTransfer(_approveTransferBase).approveTransfer(msg.sender, from, to, tokenIds, amounts), "Extension approval failure"); } } }// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /** * @dev Core creator interface */ interface ICreatorCore is IERC165 { event ExtensionRegistered(address indexed extension, address indexed sender); event ExtensionUnregistered(address indexed extension, address indexed sender); event ExtensionBlacklisted(address indexed extension, address indexed sender); event MintPermissionsUpdated(address indexed extension, address indexed permissions, address indexed sender); event RoyaltiesUpdated(uint256 indexed tokenId, address payable[] receivers, uint256[] basisPoints); event DefaultRoyaltiesUpdated(address payable[] receivers, uint256[] basisPoints); event ApproveTransferUpdated(address extension); event ExtensionRoyaltiesUpdated(address indexed extension, address payable[] receivers, uint256[] basisPoints); event ExtensionApproveTransferUpdated(address indexed extension, bool enabled); /** * @dev gets address of all extensions */ function getExtensions() external view returns (address[] memory); /** * @dev add an extension. Can only be called by contract owner or admin. * extension address must point to a contract implementing ICreatorExtension. * Returns True if newly added, False if already added. */ function registerExtension(address extension, string calldata baseURI) external; /** * @dev add an extension. Can only be called by contract owner or admin. * extension address must point to a contract implementing ICreatorExtension. * Returns True if newly added, False if already added. */ function registerExtension(address extension, string calldata baseURI, bool baseURIIdentical) external; /** * @dev add an extension. Can only be called by contract owner or admin. * Returns True if removed, False if already removed. */ function unregisterExtension(address extension) external; /** * @dev blacklist an extension. Can only be called by contract owner or admin. * This function will destroy all ability to reference the metadata of any tokens created * by the specified extension. It will also unregister the extension if needed. * Returns True if removed, False if already removed. */ function blacklistExtension(address extension) external; /** * @dev set the baseTokenURI of an extension. Can only be called by extension. */ function setBaseTokenURIExtension(string calldata uri) external; /** * @dev set the baseTokenURI of an extension. Can only be called by extension. * For tokens with no uri configured, tokenURI will return "uri+tokenId" */ function setBaseTokenURIExtension(string calldata uri, bool identical) external; /** * @dev set the common prefix of an extension. Can only be called by extension. * If configured, and a token has a uri set, tokenURI will return "prefixURI+tokenURI" * Useful if you want to use ipfs/arweave */ function setTokenURIPrefixExtension(string calldata prefix) external; /** * @dev set the tokenURI of a token extension. Can only be called by extension that minted token. */ function setTokenURIExtension(uint256 tokenId, string calldata uri) external; /** * @dev set the tokenURI of a token extension for multiple tokens. Can only be called by extension that minted token. */ function setTokenURIExtension(uint256[] memory tokenId, string[] calldata uri) external; /** * @dev set the baseTokenURI for tokens with no extension. Can only be called by owner/admin. * For tokens with no uri configured, tokenURI will return "uri+tokenId" */ function setBaseTokenURI(string calldata uri) external; /** * @dev set the common prefix for tokens with no extension. Can only be called by owner/admin. * If configured, and a token has a uri set, tokenURI will return "prefixURI+tokenURI" * Useful if you want to use ipfs/arweave */ function setTokenURIPrefix(string calldata prefix) external; /** * @dev set the tokenURI of a token with no extension. Can only be called by owner/admin. */ function setTokenURI(uint256 tokenId, string calldata uri) external; /** * @dev set the tokenURI of multiple tokens with no extension. Can only be called by owner/admin. */ function setTokenURI(uint256[] memory tokenIds, string[] calldata uris) external; /** * @dev set a permissions contract for an extension. Used to control minting. */ function setMintPermissions(address extension, address permissions) external; /** * @dev Configure so transfers of tokens created by the caller (must be extension) gets approval * from the extension before transferring */ function setApproveTransferExtension(bool enabled) external; /** * @dev get the extension of a given token */ function tokenExtension(uint256 tokenId) external view returns (address); /** * @dev Set default royalties */ function setRoyalties(address payable[] calldata receivers, uint256[] calldata basisPoints) external; /** * @dev Set royalties of a token */ function setRoyalties(uint256 tokenId, address payable[] calldata receivers, uint256[] calldata basisPoints) external; /** * @dev Set royalties of an extension */ function setRoyaltiesExtension(address extension, address payable[] calldata receivers, uint256[] calldata basisPoints) external; /** * @dev Get royalites of a token. Returns list of receivers and basisPoints */ function getRoyalties(uint256 tokenId) external view returns (address payable[] memory, uint256[] memory); // Royalty support for various other standards function getFeeRecipients(uint256 tokenId) external view returns (address payable[] memory); function getFeeBps(uint256 tokenId) external view returns (uint[] memory); function getFees(uint256 tokenId) external view returns (address payable[] memory, uint256[] memory); function royaltyInfo(uint256 tokenId, uint256 value) external view returns (address, uint256); /** * @dev Set the default approve transfer contract location. */ function setApproveTransfer(address extension) external; /** * @dev Get the default approve transfer contract location. */ function getApproveTransfer() external view returns (address); } // SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "./CreatorCore.sol"; /** * @dev Core ERC1155 creator interface */ interface IERC1155CreatorCore is ICreatorCore { /** * @dev mint a token with no extension. Can only be called by an admin. * * @param to - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients) * @param amounts - Can be a single element array (all recipients get the same amount) or a multi-element array * @param uris - If no elements, all tokens use the default uri. * If any element is an empty string, the corresponding token uses the default uri. * * * Requirements: If to is a multi-element array, then uris must be empty or single element array * If to is a multi-element array, then amounts must be a single element array or a multi-element array of the same size * If to is a single element array, uris must be empty or the same length as amounts * * Examples: * mintBaseNew(['0x....1', '0x....2'], [1], []) * Mints a single new token, and gives 1 each to '0x....1' and '0x....2'. Token uses default uri. * * mintBaseNew(['0x....1', '0x....2'], [1, 2], []) * Mints a single new token, and gives 1 to '0x....1' and 2 to '0x....2'. Token uses default uri. * * mintBaseNew(['0x....1'], [1, 2], ["", "http://token2.com"]) * Mints two new tokens to '0x....1'. 1 of the first token, 2 of the second. 1st token uses default uri, second uses "http://token2.com". * * @return Returns list of tokenIds minted */ function mintBaseNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) external returns (uint256[] memory); /** * @dev batch mint existing token with no extension. Can only be called by an admin. * * @param to - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients) * @param tokenIds - Can be a single element array (all recipients get the same token) or a multi-element array * @param amounts - Can be a single element array (all recipients get the same amount) or a multi-element array * * Requirements: If any of the parameters are multi-element arrays, they need to be the same length as other multi-element arrays * * Examples: * mintBaseExisting(['0x....1', '0x....2'], [1], [10]) * Mints 10 of tokenId 1 to each of '0x....1' and '0x....2'. * * mintBaseExisting(['0x....1', '0x....2'], [1, 2], [10, 20]) * Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 2 to '0x....2'. * * mintBaseExisting(['0x....1'], [1, 2], [10, 20]) * Mints 10 of tokenId 1 and 20 of tokenId 2 to '0x....1'. * * mintBaseExisting(['0x....1', '0x....2'], [1], [10, 20]) * Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 1 to '0x....2'. * */ function mintBaseExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) external; /** * @dev mint a token from an extension. Can only be called by a registered extension. * * @param to - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients) * @param amounts - Can be a single element array (all recipients get the same amount) or a multi-element array * @param uris - If no elements, all tokens use the default uri. * If any element is an empty string, the corresponding token uses the default uri. * * * Requirements: If to is a multi-element array, then uris must be empty or single element array * If to is a multi-element array, then amounts must be a single element array or a multi-element array of the same size * If to is a single element array, uris must be empty or the same length as amounts * * Examples: * mintExtensionNew(['0x....1', '0x....2'], [1], []) * Mints a single new token, and gives 1 each to '0x....1' and '0x....2'. Token uses default uri. * * mintExtensionNew(['0x....1', '0x....2'], [1, 2], []) * Mints a single new token, and gives 1 to '0x....1' and 2 to '0x....2'. Token uses default uri. * * mintExtensionNew(['0x....1'], [1, 2], ["", "http://token2.com"]) * Mints two new tokens to '0x....1'. 1 of the first token, 2 of the second. 1st token uses default uri, second uses "http://token2.com". * * @return Returns list of tokenIds minted */ function mintExtensionNew(address[] calldata to, uint256[] calldata amounts, string[] calldata uris) external returns (uint256[] memory); /** * @dev batch mint existing token from extension. Can only be called by a registered extension. * * @param to - Can be a single element array (all tokens go to same address) or multi-element array (single token to many recipients) * @param tokenIds - Can be a single element array (all recipients get the same token) or a multi-element array * @param amounts - Can be a single element array (all recipients get the same amount) or a multi-element array * * Requirements: If any of the parameters are multi-element arrays, they need to be the same length as other multi-element arrays * * Examples: * mintExtensionExisting(['0x....1', '0x....2'], [1], [10]) * Mints 10 of tokenId 1 to each of '0x....1' and '0x....2'. * * mintExtensionExisting(['0x....1', '0x....2'], [1, 2], [10, 20]) * Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 2 to '0x....2'. * * mintExtensionExisting(['0x....1'], [1, 2], [10, 20]) * Mints 10 of tokenId 1 and 20 of tokenId 2 to '0x....1'. * * mintExtensionExisting(['0x....1', '0x....2'], [1], [10, 20]) * Mints 10 of tokenId 1 to '0x....1' and 20 of tokenId 1 to '0x....2'. * */ function mintExtensionExisting(address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) external; /** * @dev burn tokens. Can only be called by token owner or approved address. * On burn, calls back to the registered extension's onBurn method */ function burn(address account, uint256[] calldata tokenIds, uint256[] calldata amounts) external; /** * @dev Total amount of tokens in with a given tokenId. */ function totalSupply(uint256 tokenId) external view returns (uint256); }// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /** * Implement this if you want your extension to approve a transfer */ interface IERC1155CreatorExtensionApproveTransfer is IERC165 { /** * @dev Set whether or not the creator contract will check the extension for approval of token transfer */ function setApproveTransfer(address creator, bool enabled) external; /** * @dev Called by creator contract to approve a transfer */ function approveTransfer(address operator, address from, address to, uint256[] calldata tokenIds, uint256[] calldata amounts) external returns (bool); }// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /** * @dev Your extension is required to implement this interface if it wishes * to receive the onBurn callback whenever a token the extension created is * burned */ interface IERC1155CreatorExtensionBurnable is IERC165 { /** * @dev callback handler for burn events */ function onBurn(address owner, uint256[] calldata tokenIds, uint256[] calldata amounts) external; }// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /** * @dev Implement this if you want your extension to have overloadable royalties */ interface ICreatorExtensionRoyalties is IERC165 { /** * Get the royalties for a given creator/tokenId */ function getRoyalties(address creator, uint256 tokenId) external view returns (address payable[] memory, uint256[] memory); } // SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /** * @dev Implement this if you want your extension to have overloadable URI's */ interface ICreatorExtensionTokenURI is IERC165 { /** * Get the uri for a given creator/tokenId */ function tokenURI(address creator, uint256 tokenId) external view returns (string memory); } // SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC1155Creator compliant extension contracts. */ interface IERC1155CreatorMintPermissions is IERC165 { /** * @dev get approval to mint */ function approveMint(address extension, address[] calldata to, uint256[] calldata tokenIds, uint256[] calldata amounts) external; }// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol"; import "@openzeppelin/contracts/utils/introspection/ERC165.sol"; import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol"; import "./IAdminControl.sol"; abstract contract AdminControlUpgradeable is OwnableUpgradeable, IAdminControl, ERC165 { using EnumerableSet for EnumerableSet.AddressSet; // Track registered admins EnumerableSet.AddressSet private _admins; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IAdminControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Only allows approved admins to call the specified function */ modifier adminRequired() { require(owner() == msg.sender || _admins.contains(msg.sender), "AdminControl: Must be owner or admin"); _; } /** * @dev See {IAdminControl-getAdmins}. */ function getAdmins() external view override returns (address[] memory admins) { admins = new address[](_admins.length()); for (uint i = 0; i < _admins.length(); i++) { admins[i] = _admins.at(i); } return admins; } /** * @dev See {IAdminControl-approveAdmin}. */ function approveAdmin(address admin) external override onlyOwner { if (!_admins.contains(admin)) { emit AdminApproved(admin, msg.sender); _admins.add(admin); } } /** * @dev See {IAdminControl-revokeAdmin}. */ function revokeAdmin(address admin) external override onlyOwner { if (_admins.contains(admin)) { emit AdminRevoked(admin, msg.sender); _admins.remove(admin); } } /** * @dev See {IAdminControl-isAdmin}. */ function isAdmin(address admin) public override view returns (bool) { return (owner() == admin || _admins.contains(admin)); } }// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /** * @dev Interface for admin control */ interface IAdminControl is IERC165 { event AdminApproved(address indexed account, address indexed sender); event AdminRevoked(address indexed account, address indexed sender); /** * @dev gets address of all admins */ function getAdmins() external view returns (address[] memory); /** * @dev add an admin. Can only be called by contract owner. */ function approveAdmin(address admin) external; /** * @dev remove an admin. Can only be called by contract owner. */ function revokeAdmin(address admin) external; /** * @dev checks whether or not given address is an admin * Returns True if they are */ function isAdmin(address admin) external view returns (bool); }// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/ContextUpgradeable.sol"; import "../proxy/utils/Initializable.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ function __Ownable_init() internal onlyInitializing { __Ownable_init_unchained(); } function __Ownable_init_unchained() internal onlyInitializing { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } /** * @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) (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) (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 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 v4.5.0) (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 (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 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 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @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 ReentrancyGuard { // 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; constructor() { _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; } } // SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./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: MIT // OpenZeppelin Contracts (last updated v4.7.2) (utils/introspection/ERC165Checker.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Library used to query support of an interface declared via {IERC165}. * * Note that these functions return the actual result of the query: they do not * `revert` if an interface is not supported. It is up to the caller to decide * what to do in these cases. */ library ERC165Checker { // As per the EIP-165 spec, no interface should ever match 0xffffffff bytes4 private constant _INTERFACE_ID_INVALID = 0xffffffff; /** * @dev Returns true if `account` supports the {IERC165} interface, */ function supportsERC165(address account) internal view returns (bool) { // Any contract that implements ERC165 must explicitly indicate support of // InterfaceId_ERC165 and explicitly indicate non-support of InterfaceId_Invalid return _supportsERC165Interface(account, type(IERC165).interfaceId) && !_supportsERC165Interface(account, _INTERFACE_ID_INVALID); } /** * @dev Returns true if `account` supports the interface defined by * `interfaceId`. Support for {IERC165} itself is queried automatically. * * See {IERC165-supportsInterface}. */ function supportsInterface(address account, bytes4 interfaceId) internal view returns (bool) { // query support of both ERC165 as per the spec and support of _interfaceId return supportsERC165(account) && _supportsERC165Interface(account, interfaceId); } /** * @dev Returns a boolean array where each value corresponds to the * interfaces passed in and whether they're supported or not. This allows * you to batch check interfaces for a contract where your expectation * is that some interfaces may not be supported. * * See {IERC165-supportsInterface}. * * _Available since v3.4._ */ function getSupportedInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool[] memory) { // an array of booleans corresponding to interfaceIds and whether they're supported or not bool[] memory interfaceIdsSupported = new bool[](interfaceIds.length); // query support of ERC165 itself if (supportsERC165(account)) { // query support of each interface in interfaceIds for (uint256 i = 0; i < interfaceIds.length; i++) { interfaceIdsSupported[i] = _supportsERC165Interface(account, interfaceIds[i]); } } return interfaceIdsSupported; } /** * @dev Returns true if `account` supports all the interfaces defined in * `interfaceIds`. Support for {IERC165} itself is queried automatically. * * Batch-querying can lead to gas savings by skipping repeated checks for * {IERC165} support. * * See {IERC165-supportsInterface}. */ function supportsAllInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool) { // query support of ERC165 itself if (!supportsERC165(account)) { return false; } // query support of each interface in _interfaceIds for (uint256 i = 0; i < interfaceIds.length; i++) { if (!_supportsERC165Interface(account, interfaceIds[i])) { return false; } } // all interfaces supported return true; } /** * @notice Query if a contract implements an interface, does not check ERC165 support * @param account The address of the contract to query for support of an interface * @param interfaceId The interface identifier, as specified in ERC-165 * @return true if the contract at account indicates support of the interface with * identifier interfaceId, false otherwise * @dev Assumes that account contains a contract that supports ERC165, otherwise * the behavior of this method is undefined. This precondition can be checked * with {supportsERC165}. * Interface identification is specified in ERC-165. */ function _supportsERC165Interface(address account, bytes4 interfaceId) private view returns (bool) { // prepare call bytes memory encodedParams = abi.encodeWithSelector(IERC165.supportsInterface.selector, interfaceId); // perform static call bool success; uint256 returnSize; uint256 returnValue; assembly { success := staticcall(30000, account, add(encodedParams, 0x20), mload(encodedParams), 0x00, 0x20) returnSize := returndatasize() returnValue := mload(0x00) } return success && returnSize >= 0x20 && returnValue > 0; } } // 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 (last updated v4.7.0) (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } } // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/structs/EnumerableSet.sol) pragma solidity ^0.8.0; /** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ``` * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`) * and `uint256` (`UintSet`) are supported. * * [WARNING] * ==== * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure unusable. * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info. * * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an array of EnumerableSet. * ==== */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping(bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; if (lastIndex != toDeleteIndex) { bytes32 lastValue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastValue; // Update the index for the moved value set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex } // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { return set._values[index]; } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function _values(Set storage set) private view returns (bytes32[] memory) { return set._values; } // Bytes32Set struct Bytes32Set { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _add(set._inner, value); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _remove(set._inner, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) { return _contains(set._inner, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Bytes32Set storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) { return _at(set._inner, index); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(Bytes32Set storage set) internal view returns (bytes32[] memory) { return _values(set._inner); } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint160(uint256(_at(set._inner, index)))); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(AddressSet storage set) internal view returns (address[] memory) { bytes32[] memory store = _values(set._inner); address[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values on the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(UintSet storage set) internal view returns (uint256[] memory) { bytes32[] memory store = _values(set._inner); uint256[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } }