ERC-1155
NFT
Overview
Max Total Supply
1,000 ZKSBT
Holders
253
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
ZokioVerseSBT
Compiler Version
v0.8.22+commit.4fc1097e
Optimization Enabled:
Yes with 3333 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.22; import {Ownable} from "solady/src/auth/Ownable.sol"; import {ERC1155P} from "./ERC1155P.sol"; contract ZokioVerseSBT is ERC1155P, Ownable { error ExceedMaxPerWallet(); error WrongValueSent(); error FailedToWithdraw(); error NotLive(); error ExceedMaxSupply(); error CannotApprove(); error CannotTransfer(); event Soulbound(uint256 indexed id, bool bounded); /// @notice Token id uint256 public constant ZOKIO_SBT_ID = 1; /// @notice Token base uri string internal _uri; /// @notice Mint start time uint256 public startsAt = 1703116800; /// @notice Mint end time uint256 public endsAt = 1703203200; /// @notice Max mints per wallet uint256 public maxPerWallet = 5; /// @notice Token unit price uint256 public price = 0.04 ether; /// @notice Max supply of token uint256 public maxSupply = 1000; /// @notice Total minted supply of token uint256 public totalMinted = 0; /// @notice Total burned tokens uint256 public numBurned = 0; /// @notice Soulbound token associations mapping(uint256 => bool) private soulbounds; constructor(string memory zokioUri) ERC1155P() { _initializeOwner(msg.sender); _uri = zokioUri; setSoulbound(ZOKIO_SBT_ID, true); } /// @dev Returns the name of the token. function name() public view virtual override returns(string memory){ return "ZokioVerseSBT"; } /// @dev Returns the symbol of the token. function symbol() public view virtual override returns(string memory){ return "ZKSBT"; } /** * @notice Public mint * @param amount The amount of nfs to send */ function mint(uint256 amount) external payable { if (block.timestamp < startsAt || block.timestamp > endsAt) revert NotLive(); if (amount + _numberMinted(msg.sender, ZOKIO_SBT_ID) > maxPerWallet) revert ExceedMaxPerWallet(); if (msg.value != price * amount) revert WrongValueSent(); if (amount + totalMinted > maxSupply) revert ExceedMaxSupply(); totalMinted += amount; _mint(msg.sender, ZOKIO_SBT_ID, amount, ""); } /** * @notice Burn token * @param amount The amount of nfs to burn */ function burn(uint256 amount) external payable { numBurned += amount; _burn(msg.sender, ZOKIO_SBT_ID, amount); } /** * @dev This just ignores the token id * @notice Returns the total supply of a token id * @param tokenId The token id to consider for supply */ function totalSupply(uint256 tokenId) external view returns (uint256) { return totalMinted - numBurned; } /** * @notice Owner mint * @param to Address to send to * @param amount The amount of nfs to send */ function ownerMint(address to, uint256 amount) external onlyOwner { if (amount + totalMinted > maxSupply) revert ExceedMaxSupply(); totalMinted += amount; _mint(to, ZOKIO_SBT_ID, amount, ""); } /// @dev Just return a single templated string function uri(uint256 id) public view override returns (string memory){ return _uri; } /** * @notice Set new uri * @param uri_ A templated uri string */ function setBaseUri(string calldata uri_) external onlyOwner { _uri = uri_; } /** * @notice Set a mint configuration window * @param _startsAt The mint start time * @param _endsAt The mint end time * @param _price The mint price * @param _maxSupply The mint max supply * @param _maxPerWallet The mint max per wallet */ function setMintConfig(uint256 _startsAt, uint256 _endsAt, uint256 _price, uint256 _maxSupply, uint256 _maxPerWallet) external onlyOwner { startsAt = _startsAt; endsAt = _endsAt; price = _price; maxSupply = _maxSupply; maxPerWallet = _maxPerWallet; } /// @notice Withdraw the eths function withdraw() external onlyOwner { (bool success, ) = payable(msg.sender).call{value: address(this).balance}(""); if (!success) revert FailedToWithdraw(); } /// @dev Returns true if a token type `id` is soulbound. function isSoulbound(uint256 id) public view virtual returns (bool) { return soulbounds[id]; } /** * @notice Set whether a token is soulbound or not * @param id The token id to bound * @param soulbound Is it soulbound? */ function setSoulbound(uint256 id, bool soulbound) public onlyOwner { soulbounds[id] = soulbound; emit Soulbound(id, soulbound); } /// @dev Prevent any listings function setApprovalForAll(address operator, bool approved) public override { revert CannotApprove(); } /// @dev Prevent transfers to addresses outside of zero addy function _beforeTokenTransfer( address operator, address from, address to, uint256 id, uint256 amount, bytes memory data ) internal virtual override { super._beforeTokenTransfer(operator, from, to, id, amount, data); if (isSoulbound(id) && from != address(0) && to != address(0)) { revert CannotTransfer(); } } /// @dev Prevent transfers to addresses outside of zero addy function _beforeBatchTokenTransfer( address operator, address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes memory data ) internal virtual override { super._beforeBatchTokenTransfer(operator, from, to, ids, amounts, data); for (uint256 i = 0; i < ids.length; ++i) { if (isSoulbound(ids[i]) && from != address(0) && to != address(0)) { revert CannotTransfer(); } } } }
// SPDX-License-Identifier: MIT // ERC1155P Contracts v1.1 // Creator: 0xjustadev/0xth0mas pragma solidity ^0.8.20; import "./IERC1155P.sol"; /** * @dev Interface of ERC1155 token receiver. */ interface ERC1155P__IERC1155Receiver { function onERC1155Received( address operator, address from, uint256 id, uint256 value, bytes calldata data ) external returns (bytes4); function onERC1155BatchReceived( address operator, address from, uint256[] calldata ids, uint256[] calldata values, bytes calldata data ) external returns (bytes4); } /** * @dev Interface for IERC1155MetadataURI. */ interface ERC1155P__IERC1155MetadataURI { /** * @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); } /** * @title ERC1155P * * @dev Implementation of the basic standard multi-token. * See https://eips.ethereum.org/EIPS/eip-1155 including the Metadata extension. * Optimized for lower gas for users collecting multiple tokens. * * Assumptions: * - An owner cannot have more than 2**16 - 1 of a single token * - The maximum token ID cannot exceed 2**100 - 1 */ abstract contract ERC1155P is IERC1155P, ERC1155P__IERC1155MetadataURI { /** * @dev MAX_ACCOUNT_TOKEN_BALANCE is 2^16-1 because token balances are * are being packed into 16 bits within each bucket. */ uint256 private constant MAX_ACCOUNT_TOKEN_BALANCE = 0xFFFF; uint256 private constant BALANCE_STORAGE_OFFSET = 0xE000000000000000000000000000000000000000000000000000000000000000; uint256 private constant APPROVAL_STORAGE_OFFSET = 0xD000000000000000000000000000000000000000000000000000000000000000; /** * @dev MAX_TOKEN_ID is derived from custom storage pointer location for * account/token balance data. Wallet address is shifted 92 bits left * and leaves 92 bits for bucket #'s. Each bucket holds 8 token balances * 2^92*8-1 = MAX_TOKEN_ID */ uint256 private constant MAX_TOKEN_ID = 0x07FFFFFFFFFFFFFFFFFFFFFFF; // The `TransferSingle` event signature is given by: // `keccak256(bytes("TransferSingle(address,address,address,uint256,uint256)"))`. bytes32 private constant _TRANSFER_SINGLE_EVENT_SIGNATURE = 0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62; // The `TransferBatch` event signature is given by: // `keccak256(bytes("TransferBatch(address,address,address,uint256[],uint256[])"))`. bytes32 private constant _TRANSFER_BATCH_EVENT_SIGNATURE = 0x4a39dc06d4c0dbc64b70af90fd698a233a518aa5d07e595d983b8c0526c8f7fb; // The `ApprovalForAll` event signature is given by: // `keccak256(bytes("ApprovalForAll(address,address,bool)"))`. bytes32 private constant _APPROVAL_FOR_ALL_EVENT_SIGNATURE = 0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31; /// @dev Returns the name of the token. function name() public view virtual returns(string memory); /// @dev Returns the symbol of the token. function symbol() public view virtual returns(string memory); /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { // The interface IDs are constants representing the first 4 bytes // of the XOR of all function selectors in the interface. // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165) // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`) return interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165. interfaceId == 0xd9b67a26 || // ERC165 interface ID for ERC1155. interfaceId == 0x0e89341c; // ERC165 interface ID for ERC1155MetadataURI. } /// @dev Returns the URI for token `id`. /// /// You can either return the same templated URI for all token IDs, /// (e.g. "https://example.com/api/{id}.json"), /// or return a unique URI for each `id`. /// /// See: https://eips.ethereum.org/EIPS/eip-1155#metadata function uri(uint256 id) public view virtual returns (string memory); /** * @dev See {IERC1155-balanceOf}. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) public view virtual override returns (uint256) { if(account == address(0)) { _revert(BalanceQueryForZeroAddress.selector); } return getBalance(account, id); } /** * @dev Gets the amount of tokens minted by an account for a given token id */ function _numberMinted(address account, uint256 id) internal view returns (uint256) { if(account == address(0)) { _revert(BalanceQueryForZeroAddress.selector); } return getMinted(account, id); } /** * @dev Gets the balance of an account's token id from packed token data * */ function getBalance(address account, uint256 id) private view returns (uint256 _balance) { /// @solidity memory-safe-assembly assembly { mstore(0x00, or(BALANCE_STORAGE_OFFSET, or(shr(4, shl(96, account)), shr(3, id)))) _balance := shr(shl(5, and(id, 0x07)), and(sload(keccak256(0x00, 0x20)), shl(shl(5, and(id, 0x07)), 0x0000FFFF))) } } /** * @dev Sets the balance of an account's token id in packed token data * */ function setBalance(address account, uint256 id, uint256 amount) private { /// @solidity memory-safe-assembly assembly { mstore(0x00, or(BALANCE_STORAGE_OFFSET, or(shr(4, shl(96, account)), shr(3, id)))) mstore(0x00, keccak256(0x00, 0x20)) sstore(mload(0x00), or(and(not(shl(shl(5, and(id, 0x07)), 0x0000FFFF)), sload(mload(0x00))), shl(shl(5, and(id, 0x07)), amount))) } } /** * @dev Gets the number minted of an account's token id from packed token data * */ function getMinted(address account, uint256 id) private view returns (uint256 _minted) { /// @solidity memory-safe-assembly assembly { mstore(0x00, or(BALANCE_STORAGE_OFFSET, or(shr(4, shl(96, account)), shr(3, id)))) _minted := shr(16, shr(shl(5, and(id, 0x07)), and(sload(keccak256(0x00, 0x20)), shl(shl(5, and(id, 0x07)), 0xFFFF0000)))) } } /** * @dev Sets the number minted of an account's token id in packed token data * */ function setMinted(address account, uint256 id, uint256 amount) private { /// @solidity memory-safe-assembly assembly { mstore(0x00, or(BALANCE_STORAGE_OFFSET, or(shr(4, shl(96, account)), shr(3, id)))) mstore(0x00, keccak256(0x00, 0x20)) sstore(mload(0x00), or(and(not(shl(shl(5, and(id, 0x07)), 0xFFFF0000)), sload(mload(0x00))), shl(shl(5, and(id, 0x07)), shl(16, amount)))) } } /** * @dev See {IERC1155-balanceOfBatch}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch( address[] calldata accounts, uint256[] calldata ids ) public view virtual override returns (uint256[] memory) { if(accounts.length != ids.length) { _revert(ArrayLengthMismatch.selector); } uint256[] memory batchBalances = new uint256[](accounts.length); for(uint256 i = 0; i < accounts.length;) { batchBalances[i] = balanceOf(accounts[i], ids[i]); unchecked { ++i; } } return batchBalances; } /** * @dev See {IERC1155-isApprovedForAll}. */ function isApprovedForAll(address account, address operator) public view virtual override returns (bool _approved) { /// @solidity memory-safe-assembly assembly { mstore(0x00, shr(96, shl(96, account))) mstore(0x20, or(APPROVAL_STORAGE_OFFSET, shr(96, shl(96, operator)))) mstore(0x00, keccak256(0x00, 0x40)) _approved := sload(mload(0x00)) } return _approved; } /** * @dev See {IERC1155-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) public virtual override { _safeTransferFrom(from, to, id, amount, data); } /** * @dev See {IERC1155-safeBatchTransferFrom}. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes memory data ) public virtual override { _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 { if(id > MAX_TOKEN_ID) { _revert(ExceedsMaximumTokenId.selector); } if(to == address(0)) { _revert(TransferToZeroAddress.selector); } if(from != _msgSenderERC1155P()) if (!isApprovedForAll(from, _msgSenderERC1155P())) _revert(TransferCallerNotOwnerNorApproved.selector); address operator = _msgSenderERC1155P(); _beforeTokenTransfer(operator, from, to, id, amount, data); uint256 fromBalance = getBalance(from, id); if(amount > fromBalance) { _revert(TransferExceedsBalance.selector); } if(from != to) { uint256 toBalance = getBalance(to, id); unchecked { fromBalance -= amount; toBalance += amount; } if(toBalance > MAX_ACCOUNT_TOKEN_BALANCE) { _revert(ExceedsMaximumBalance.selector); } setBalance(from, id, fromBalance); setBalance(to, id, toBalance); } /// @solidity memory-safe-assembly assembly { // Emit the `TransferSingle` event. let memOffset := mload(0x40) mstore(memOffset, id) mstore(add(memOffset, 0x20), amount) log4( memOffset, // Start of data . 0x40, // Length of data. _TRANSFER_SINGLE_EVENT_SIGNATURE, // Signature. operator, // `operator`. from, // `from`. to // `to`. ) } _afterTokenTransfer(operator, from, to, id, amount, data); if(to.code.length != 0) if(!_checkContractOnERC1155Received(from, to, id, amount, data)) { _revert(TransferToNonERC1155ReceiverImplementer.selector); } } /** * @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[] calldata ids, uint256[] calldata amounts, bytes memory data ) internal virtual { if(to == address(0)) { _revert(TransferToZeroAddress.selector); } if(ids.length != amounts.length) { _revert(ArrayLengthMismatch.selector); } if(from != _msgSenderERC1155P()) if (!isApprovedForAll(from, _msgSenderERC1155P())) _revert(TransferCallerNotOwnerNorApproved.selector); address operator = _msgSenderERC1155P(); _beforeBatchTokenTransfer(operator, from, to, ids, amounts, data); for (uint256 i = 0; i < ids.length;) { uint256 id = ids[i]; uint256 amount = amounts[i]; if(id > MAX_TOKEN_ID) { _revert(ExceedsMaximumTokenId.selector); } uint256 fromBalance = getBalance(from, id); if(amount > fromBalance) { _revert(TransferExceedsBalance.selector); } if(from != to) { uint256 toBalance = getBalance(to, id); unchecked { fromBalance -= amount; toBalance += amount; } if(toBalance > MAX_ACCOUNT_TOKEN_BALANCE) { _revert(ExceedsMaximumBalance.selector); } setBalance(from, id, fromBalance); setBalance(to, id, toBalance); } unchecked { ++i; } } /// @solidity memory-safe-assembly assembly { let memOffset := mload(0x40) mstore(memOffset, 0x40) mstore(add(memOffset,0x20), add(0x60, mul(0x20,ids.length))) mstore(add(memOffset,0x40), ids.length) calldatacopy(add(memOffset,0x60), ids.offset, mul(0x20,ids.length)) mstore(add(add(memOffset,0x60),mul(0x20,ids.length)), amounts.length) calldatacopy(add(add(memOffset,0x80),mul(0x20,ids.length)), amounts.offset, mul(0x20,amounts.length)) log4( memOffset, add(0x80,mul(0x40,amounts.length)), _TRANSFER_BATCH_EVENT_SIGNATURE, // Signature. operator, // `operator`. from, // `from`. to // `to`. ) } _afterBatchTokenTransfer(operator, from, to, ids, amounts, data); if(to.code.length != 0) if(!_checkContractOnERC1155BatchReceived(from, to, ids, amounts, data)) { _revert(TransferToNonERC1155ReceiverImplementer.selector); } } /** * @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 { if(id > MAX_TOKEN_ID) { _revert(ExceedsMaximumTokenId.selector); } if(to == address(0)) { _revert(MintToZeroAddress.selector); } if(amount == 0) { _revert(MintZeroQuantity.selector); } address operator = _msgSenderERC1155P(); _beforeTokenTransfer(operator, address(0), to, id, amount, data); uint256 toBalanceBefore = getBalance(to, id); uint256 toBalanceAfter; unchecked { toBalanceAfter = toBalanceBefore + amount; } if(toBalanceAfter > MAX_ACCOUNT_TOKEN_BALANCE) { _revert(ExceedsMaximumBalance.selector); } if(toBalanceAfter < toBalanceBefore) { _revert(ExceedsMaximumBalance.selector); } // catches overflow setBalance(to, id, toBalanceAfter); uint256 toMintedBefore = getMinted(to, id); uint256 toMintedAfter; unchecked { toMintedAfter = toMintedBefore + amount; } if(toMintedAfter > MAX_ACCOUNT_TOKEN_BALANCE) { _revert(ExceedsMaximumBalance.selector); } if(toMintedAfter < toMintedBefore) { _revert(ExceedsMaximumBalance.selector); } // catches overflow setMinted(to, id, toMintedAfter); /// @solidity memory-safe-assembly assembly { // Emit the `TransferSingle` event. let memOffset := mload(0x40) mstore(memOffset, id) mstore(add(memOffset, 0x20), amount) log4( memOffset, // Start of data . 0x40, // Length of data. _TRANSFER_SINGLE_EVENT_SIGNATURE, // Signature. operator, // `operator`. 0, // `from`. to // `to`. ) } _afterTokenTransfer(operator, address(0), to, id, amount, data); if(to.code.length != 0) if(!_checkContractOnERC1155Received(address(0), to, id, amount, data)) { _revert(TransferToNonERC1155ReceiverImplementer.selector); } } /** * @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[] calldata ids, uint256[] calldata amounts, bytes memory data ) internal virtual { if(to == address(0)) { _revert(MintToZeroAddress.selector); } if(ids.length != amounts.length) { _revert(ArrayLengthMismatch.selector); } address operator = _msgSenderERC1155P(); _beforeBatchTokenTransfer(operator, address(0), to, ids, amounts, data); uint256 id; uint256 amount; for (uint256 i = 0; i < ids.length;) { id = ids[i]; amount = amounts[i]; if(id > MAX_TOKEN_ID) { _revert(ExceedsMaximumTokenId.selector); } if(amount == 0) { _revert(MintZeroQuantity.selector); } uint256 toBalanceBefore = getBalance(to, id); uint256 toBalanceAfter; unchecked { toBalanceAfter = toBalanceBefore + amount; } if(toBalanceAfter > MAX_ACCOUNT_TOKEN_BALANCE) { _revert(ExceedsMaximumBalance.selector); } if(toBalanceAfter < toBalanceBefore) { _revert(ExceedsMaximumBalance.selector); } // catches overflow setBalance(to, id, toBalanceAfter); uint256 toMintedBefore = getMinted(to, id); uint256 toMintedAfter; unchecked { toMintedAfter = toMintedBefore + amount; } if(toMintedAfter > MAX_ACCOUNT_TOKEN_BALANCE) { _revert(ExceedsMaximumBalance.selector); } if(toMintedAfter < toMintedBefore) { _revert(ExceedsMaximumBalance.selector); } // catches overflow setMinted(to, id, toMintedAfter); unchecked { ++i; } } /// @solidity memory-safe-assembly assembly { let memOffset := mload(0x40) mstore(memOffset, 0x40) mstore(add(memOffset,0x20), add(0x60, mul(0x20,ids.length))) mstore(add(memOffset,0x40), ids.length) calldatacopy(add(memOffset,0x60), ids.offset, mul(0x20,ids.length)) mstore(add(add(memOffset,0x60),mul(0x20,ids.length)), amounts.length) calldatacopy(add(add(memOffset,0x80),mul(0x20,ids.length)), amounts.offset, mul(0x20,amounts.length)) log4( memOffset, add(0x80,mul(0x40,amounts.length)), _TRANSFER_BATCH_EVENT_SIGNATURE, // Signature. operator, // `operator`. 0, // `from`. to // `to`. ) } _afterBatchTokenTransfer(operator, address(0), to, ids, amounts, data); if(to.code.length != 0) if(!_checkContractOnERC1155BatchReceived(address(0), to, ids, amounts, data)) { _revert(TransferToNonERC1155ReceiverImplementer.selector); } } /** * @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 { if(id > MAX_TOKEN_ID) { _revert(ExceedsMaximumTokenId.selector); } if(from == address(0)) { _revert(BurnFromZeroAddress.selector); } address operator = _msgSenderERC1155P(); _beforeTokenTransfer(operator, from, address(0), id, amount, ""); uint256 fromBalance = getBalance(from, id); if(amount > fromBalance) { _revert(BurnExceedsBalance.selector); } unchecked { fromBalance -= amount; } setBalance(from, id, fromBalance); /// @solidity memory-safe-assembly assembly { // Emit the `TransferSingle` event. let memOffset := mload(0x40) mstore(memOffset, id) mstore(add(memOffset, 0x20), amount) log4( memOffset, // Start of data. 0x40, // Length of data. _TRANSFER_SINGLE_EVENT_SIGNATURE, // Signature. operator, // `operator`. from, // `from`. 0 // `to`. ) } _afterTokenTransfer(operator, from, address(0), id, amount, ""); } /** * @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[] calldata ids, uint256[] calldata amounts) internal virtual { if(from == address(0)) { _revert(BurnFromZeroAddress.selector); } if(ids.length != amounts.length) { _revert(ArrayLengthMismatch.selector); } address operator = _msgSenderERC1155P(); _beforeBatchTokenTransfer(operator, from, address(0), ids, amounts, ""); for (uint256 i = 0; i < ids.length;) { uint256 id = ids[i]; uint256 amount = amounts[i]; if(id > MAX_TOKEN_ID) { _revert(ExceedsMaximumTokenId.selector); } uint256 fromBalance = getBalance(from, id); if(amount > fromBalance) { _revert(BurnExceedsBalance.selector); } unchecked { fromBalance -= amount; } setBalance(from, id, fromBalance); unchecked { ++i; } } /// @solidity memory-safe-assembly assembly { let memOffset := mload(0x40) mstore(memOffset, 0x40) mstore(add(memOffset,0x20), add(0x60, mul(0x20,ids.length))) mstore(add(memOffset,0x40), ids.length) calldatacopy(add(memOffset,0x60), ids.offset, mul(0x20,ids.length)) mstore(add(add(memOffset,0x60),mul(0x20,ids.length)), amounts.length) calldatacopy(add(add(memOffset,0x80),mul(0x20,ids.length)), amounts.offset, mul(0x20,amounts.length)) log4( memOffset, add(0x80,mul(0x40,amounts.length)), _TRANSFER_BATCH_EVENT_SIGNATURE, // Signature. operator, // `operator`. from, // `from`. 0 // `to`. ) } _afterBatchTokenTransfer(operator, from, address(0), ids, amounts, ""); } /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} * for any token owned by the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) public virtual override { /// @solidity memory-safe-assembly assembly { mstore(0x00, caller()) mstore(0x20, or(APPROVAL_STORAGE_OFFSET, shr(96, shl(96, operator)))) mstore(0x00, keccak256(0x00, 0x40)) mstore(0x20, approved) sstore(mload(0x00), mload(0x20)) log3( 0x20, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, caller(), shr(96, shl(96, operator)) ) } } /** * @dev Hook that is called before any single token transfer. This includes minting * and burning. * * Calling conditions: * * - 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. * * 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 id, uint256 amount, bytes memory data ) internal virtual {} /** * @dev Hook that is called before any batch token transfer. This includes minting * and burning. * * 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 _beforeBatchTokenTransfer( address operator, address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes memory data ) internal virtual {} /** * @dev Hook that is called after any single token transfer. This includes minting * and burning. * * Calling conditions: * * - 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. * * 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 id, uint256 amount, bytes memory data ) internal virtual {} /** * @dev Hook that is called after any batch token transfer. This includes minting * and burning. * * 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 _afterBatchTokenTransfer( address operator, address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes memory data ) internal virtual {} /** * @dev Private function to invoke {IERC1155Receiver-onERC155Received} on a target contract. * * `from` - Previous owner of the given token ID. * `to` - Target address that will receive the token. * `id` - Token ID to be transferred. * `amount` - Balance of token to be transferred * `_data` - Optional data to send along with the call. * * Returns whether the call correctly returned the expected magic value. */ function _checkContractOnERC1155Received( address from, address to, uint256 id, uint256 amount, bytes memory _data ) private returns (bool) { try ERC1155P__IERC1155Receiver(to).onERC1155Received(_msgSenderERC1155P(), from, id, amount, _data) returns ( bytes4 retval ) { return retval == ERC1155P__IERC1155Receiver(to).onERC1155Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { _revert(TransferToNonERC1155ReceiverImplementer.selector); } /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } /** * @dev Private function to invoke {IERC1155Receiver-onERC155Received} on a target contract. * * `from` - Previous owner of the given token ID. * `to` - Target address that will receive the token. * `id` - Token ID to be transferred. * `amount` - Balance of token to be transferred * `_data` - Optional data to send along with the call. * * Returns whether the call correctly returned the expected magic value. */ function _checkContractOnERC1155BatchReceived( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes memory _data ) private returns (bool) { try ERC1155P__IERC1155Receiver(to).onERC1155BatchReceived(_msgSenderERC1155P(), from, ids, amounts, _data) returns ( bytes4 retval ) { return retval == ERC1155P__IERC1155Receiver(to).onERC1155BatchReceived.selector; } catch (bytes memory reason) { if (reason.length == 0) { _revert(TransferToNonERC1155ReceiverImplementer.selector); } /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } /** * @dev Returns the message sender (defaults to `msg.sender`). * * If you are writing GSN compatible contracts, you need to override this function. */ function _msgSenderERC1155P() internal view virtual returns (address) { return msg.sender; } /** * @dev Converts a uint256 to its ASCII string decimal representation. */ function _toString(uint256 value) internal pure virtual returns (string memory str) { /// @solidity memory-safe-assembly assembly { // The maximum value of a uint256 contains 78 digits (1 byte per digit), but // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned. // We will need 1 word for the trailing zeros padding, 1 word for the length, // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0. let m := add(mload(0x40), 0xa0) // Update the free memory pointer to allocate. mstore(0x40, m) // Assign the `str` to the end. str := sub(m, 0x20) // Zeroize the slot after the string. mstore(str, 0) // Cache the end of the memory to calculate the length later. let end := str // We write the string from rightmost digit to leftmost digit. // The following is essentially a do-while loop that also handles the zero case. // prettier-ignore for { let temp := value } 1 {} { str := sub(str, 1) // Write the character to the pointer. // The ASCII index of the '0' character is 48. mstore8(str, add(48, mod(temp, 10))) // Keep dividing `temp` until zero. temp := div(temp, 10) // prettier-ignore if iszero(temp) { break } } let length := sub(end, str) // Move the pointer 32 bytes leftwards to make room for the length. str := sub(str, 0x20) // Store the length. mstore(str, length) } } /** * @dev For more efficient reverts. */ function _revert(bytes4 errorSelector) internal pure { /// @solidity memory-safe-assembly assembly { mstore(0x00, errorSelector) revert(0x00, 0x04) } } }
// SPDX-License-Identifier: MIT // ERC721P Contracts v1.1 pragma solidity ^0.8.20; /** * @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 IERC1155P { /** * Cannot query the balance for the zero address. */ error BalanceQueryForZeroAddress(); /** * Arrays cannot be different lengths. */ error ArrayLengthMismatch(); /** * Cannot burn from the zero address. */ error BurnFromZeroAddress(); /** * Cannot mint to the zero address. */ error MintToZeroAddress(); /** * The quantity of tokens minted must be more than zero. */ error MintZeroQuantity(); /** * The quantity of tokens being burned is greater than account balance. */ error BurnExceedsBalance(); /** * The quantity of tokens being transferred is greater than account balance. */ error TransferExceedsBalance(); /** * The resulting token balance exceeds the maximum storable by ERC1155P */ error ExceedsMaximumBalance(); /** * The caller must own the token or be an approved operator. */ error TransferCallerNotOwnerNorApproved(); /** * Cannot safely transfer to a contract that does not implement the * ERC1155Receiver interface. */ error TransferToNonERC1155ReceiverImplementer(); /** * Cannot transfer to the zero address. */ error TransferToZeroAddress(); /** * Exceeds max token ID */ error ExceedsMaximumTokenId(); // ============================================================= // IERC165 // ============================================================= /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified) * to learn more about how these ids are created. * * This function call must use less than 30000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); /** * @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 pragma solidity ^0.8.4; /// @notice Simple single owner authorization mixin. /// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/Ownable.sol) /// /// @dev Note: /// This implementation does NOT auto-initialize the owner to `msg.sender`. /// You MUST call the `_initializeOwner` in the constructor / initializer. /// /// While the ownable portion follows /// [EIP-173](https://eips.ethereum.org/EIPS/eip-173) for compatibility, /// the nomenclature for the 2-step ownership handover may be unique to this codebase. abstract contract Ownable { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CUSTOM ERRORS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev The caller is not authorized to call the function. error Unauthorized(); /// @dev The `newOwner` cannot be the zero address. error NewOwnerIsZeroAddress(); /// @dev The `pendingOwner` does not have a valid handover request. error NoHandoverRequest(); /// @dev Cannot double-initialize. error AlreadyInitialized(); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* EVENTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev The ownership is transferred from `oldOwner` to `newOwner`. /// This event is intentionally kept the same as OpenZeppelin's Ownable to be /// compatible with indexers and [EIP-173](https://eips.ethereum.org/EIPS/eip-173), /// despite it not being as lightweight as a single argument event. event OwnershipTransferred(address indexed oldOwner, address indexed newOwner); /// @dev An ownership handover to `pendingOwner` has been requested. event OwnershipHandoverRequested(address indexed pendingOwner); /// @dev The ownership handover to `pendingOwner` has been canceled. event OwnershipHandoverCanceled(address indexed pendingOwner); /// @dev `keccak256(bytes("OwnershipTransferred(address,address)"))`. uint256 private constant _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE = 0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0; /// @dev `keccak256(bytes("OwnershipHandoverRequested(address)"))`. uint256 private constant _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE = 0xdbf36a107da19e49527a7176a1babf963b4b0ff8cde35ee35d6cd8f1f9ac7e1d; /// @dev `keccak256(bytes("OwnershipHandoverCanceled(address)"))`. uint256 private constant _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE = 0xfa7b8eab7da67f412cc9575ed43464468f9bfbae89d1675917346ca6d8fe3c92; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* STORAGE */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev The owner slot is given by: /// `bytes32(~uint256(uint32(bytes4(keccak256("_OWNER_SLOT_NOT")))))`. /// It is intentionally chosen to be a high value /// to avoid collision with lower slots. /// The choice of manual storage layout is to enable compatibility /// with both regular and upgradeable contracts. bytes32 internal constant _OWNER_SLOT = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffff74873927; /// The ownership handover slot of `newOwner` is given by: /// ``` /// mstore(0x00, or(shl(96, user), _HANDOVER_SLOT_SEED)) /// let handoverSlot := keccak256(0x00, 0x20) /// ``` /// It stores the expiry timestamp of the two-step ownership handover. uint256 private constant _HANDOVER_SLOT_SEED = 0x389a75e1; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* INTERNAL FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Override to return true to make `_initializeOwner` prevent double-initialization. function _guardInitializeOwner() internal pure virtual returns (bool guard) {} /// @dev Initializes the owner directly without authorization guard. /// This function must be called upon initialization, /// regardless of whether the contract is upgradeable or not. /// This is to enable generalization to both regular and upgradeable contracts, /// and to save gas in case the initial owner is not the caller. /// For performance reasons, this function will not check if there /// is an existing owner. function _initializeOwner(address newOwner) internal virtual { if (_guardInitializeOwner()) { /// @solidity memory-safe-assembly assembly { let ownerSlot := _OWNER_SLOT if sload(ownerSlot) { mstore(0x00, 0x0dc149f0) // `AlreadyInitialized()`. revert(0x1c, 0x04) } // Clean the upper 96 bits. newOwner := shr(96, shl(96, newOwner)) // Store the new value. sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner)))) // Emit the {OwnershipTransferred} event. log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner) } } else { /// @solidity memory-safe-assembly assembly { // Clean the upper 96 bits. newOwner := shr(96, shl(96, newOwner)) // Store the new value. sstore(_OWNER_SLOT, newOwner) // Emit the {OwnershipTransferred} event. log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner) } } } /// @dev Sets the owner directly without authorization guard. function _setOwner(address newOwner) internal virtual { if (_guardInitializeOwner()) { /// @solidity memory-safe-assembly assembly { let ownerSlot := _OWNER_SLOT // Clean the upper 96 bits. newOwner := shr(96, shl(96, newOwner)) // Emit the {OwnershipTransferred} event. log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner) // Store the new value. sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner)))) } } else { /// @solidity memory-safe-assembly assembly { let ownerSlot := _OWNER_SLOT // Clean the upper 96 bits. newOwner := shr(96, shl(96, newOwner)) // Emit the {OwnershipTransferred} event. log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner) // Store the new value. sstore(ownerSlot, newOwner) } } } /// @dev Throws if the sender is not the owner. function _checkOwner() internal view virtual { /// @solidity memory-safe-assembly assembly { // If the caller is not the stored owner, revert. if iszero(eq(caller(), sload(_OWNER_SLOT))) { mstore(0x00, 0x82b42900) // `Unauthorized()`. revert(0x1c, 0x04) } } } /// @dev Returns how long a two-step ownership handover is valid for in seconds. /// Override to return a different value if needed. /// Made internal to conserve bytecode. Wrap it in a public function if needed. function _ownershipHandoverValidFor() internal view virtual returns (uint64) { return 48 * 3600; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* PUBLIC UPDATE FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Allows the owner to transfer the ownership to `newOwner`. function transferOwnership(address newOwner) public payable virtual onlyOwner { /// @solidity memory-safe-assembly assembly { if iszero(shl(96, newOwner)) { mstore(0x00, 0x7448fbae) // `NewOwnerIsZeroAddress()`. revert(0x1c, 0x04) } } _setOwner(newOwner); } /// @dev Allows the owner to renounce their ownership. function renounceOwnership() public payable virtual onlyOwner { _setOwner(address(0)); } /// @dev Request a two-step ownership handover to the caller. /// The request will automatically expire in 48 hours (172800 seconds) by default. function requestOwnershipHandover() public payable virtual { unchecked { uint256 expires = block.timestamp + _ownershipHandoverValidFor(); /// @solidity memory-safe-assembly assembly { // Compute and set the handover slot to `expires`. mstore(0x0c, _HANDOVER_SLOT_SEED) mstore(0x00, caller()) sstore(keccak256(0x0c, 0x20), expires) // Emit the {OwnershipHandoverRequested} event. log2(0, 0, _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE, caller()) } } } /// @dev Cancels the two-step ownership handover to the caller, if any. function cancelOwnershipHandover() public payable virtual { /// @solidity memory-safe-assembly assembly { // Compute and set the handover slot to 0. mstore(0x0c, _HANDOVER_SLOT_SEED) mstore(0x00, caller()) sstore(keccak256(0x0c, 0x20), 0) // Emit the {OwnershipHandoverCanceled} event. log2(0, 0, _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE, caller()) } } /// @dev Allows the owner to complete the two-step ownership handover to `pendingOwner`. /// Reverts if there is no existing ownership handover requested by `pendingOwner`. function completeOwnershipHandover(address pendingOwner) public payable virtual onlyOwner { /// @solidity memory-safe-assembly assembly { // Compute and set the handover slot to 0. mstore(0x0c, _HANDOVER_SLOT_SEED) mstore(0x00, pendingOwner) let handoverSlot := keccak256(0x0c, 0x20) // If the handover does not exist, or has expired. if gt(timestamp(), sload(handoverSlot)) { mstore(0x00, 0x6f5e8818) // `NoHandoverRequest()`. revert(0x1c, 0x04) } // Set the handover slot to 0. sstore(handoverSlot, 0) } _setOwner(pendingOwner); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* PUBLIC READ FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Returns the owner of the contract. function owner() public view virtual returns (address result) { /// @solidity memory-safe-assembly assembly { result := sload(_OWNER_SLOT) } } /// @dev Returns the expiry timestamp for the two-step ownership handover to `pendingOwner`. function ownershipHandoverExpiresAt(address pendingOwner) public view virtual returns (uint256 result) { /// @solidity memory-safe-assembly assembly { // Compute the handover slot. mstore(0x0c, _HANDOVER_SLOT_SEED) mstore(0x00, pendingOwner) // Load the handover slot. result := sload(keccak256(0x0c, 0x20)) } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* MODIFIERS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Marks a function as only callable by the owner. modifier onlyOwner() virtual { _checkOwner(); _; } }
{ "optimizer": { "enabled": true, "runs": 3333 }, "evmVersion": "paris", "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "metadata": { "useLiteralContent": true }, "libraries": {} }
Contract Security Audit
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[{"inputs":[{"internalType":"string","name":"zokioUri","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyInitialized","type":"error"},{"inputs":[],"name":"ArrayLengthMismatch","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"BurnExceedsBalance","type":"error"},{"inputs":[],"name":"BurnFromZeroAddress","type":"error"},{"inputs":[],"name":"CannotApprove","type":"error"},{"inputs":[],"name":"CannotTransfer","type":"error"},{"inputs":[],"name":"ExceedMaxPerWallet","type":"error"},{"inputs":[],"name":"ExceedMaxSupply","type":"error"},{"inputs":[],"name":"ExceedsMaximumBalance","type":"error"},{"inputs":[],"name":"ExceedsMaximumTokenId","type":"error"},{"inputs":[],"name":"FailedToWithdraw","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"NewOwnerIsZeroAddress","type":"error"},{"inputs":[],"name":"NoHandoverRequest","type":"error"},{"inputs":[],"name":"NotLive","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferExceedsBalance","type":"error"},{"inputs":[],"name":"TransferToNonERC1155ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"inputs":[],"name":"WrongValueSent","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"bool","name":"bounded","type":"bool"}],"name":"Soulbound","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"values","type":"uint256[]"}],"name":"TransferBatch","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"TransferSingle","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"value","type":"string"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"URI","type":"event"},{"inputs":[],"name":"ZOKIO_SBT_ID","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"accounts","type":"address[]"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"}],"name":"balanceOfBatch","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"cancelOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"pendingOwner","type":"address"}],"name":"completeOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"endsAt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprov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unction"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000004c697066733a2f2f626166796265696663337a7a756a6c6634616862757032657a7179366f71797168373533736474786f6c67657634797774743369776174776c76752f7b69647d2e6a736f6e0000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : zokioUri (string): ipfs://bafybeifc3zzujlf4ahbup2ezqy6oqyqh753sdtxolgev4ywtt3iwatwlvu/{id}.json
-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000020
Arg [1] : 000000000000000000000000000000000000000000000000000000000000004c
Arg [2] : 697066733a2f2f626166796265696663337a7a756a6c6634616862757032657a
Arg [3] : 7179366f71797168373533736474786f6c67657634797774743369776174776c
Arg [4] : 76752f7b69647d2e6a736f6e0000000000000000000000000000000000000000
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