function _getSlotMask(uint64 slot_) private pure returns (uint256) {\n return SLOT_DATA_MASK << (slot_ * 16);\n }\n}\n\nlibrary ERC721Events {\n event ApprovalForAll(\n address indexed owner,\n address indexed operator,\n bool approved\n );\n event Approval(\n address indexed owner,\n address indexed spender,\n uint256 indexed id\n );\n event Transfer(address indexed from, address indexed to, uint256 indexed id);\n}\n\nlibrary ERC20Events {\n event Approval(address indexed owner, address indexed spender, uint256 value);\n event Transfer(address indexed from, address indexed to, uint256 amount);\n}\n\n/// @dev This is a ERC404U16 implementation including modifications to support ERC6551\nabstract contract ERC4D is IERC404 {\n using PackedDoubleEndedQueue for PackedDoubleEndedQueue.Uint16Deque;\n\n /// @dev The queue of ERC-721 tokens stored in the contract.\n PackedDoubleEndedQueue.Uint16Deque private _storedERC721Ids;\n\n /// @dev Token name\n string public name;\n\n /// @dev Token symbol\n string public symbol;\n\n /// @dev Decimals for ERC-20 representation\n uint8 public immutable decimals;\n\n /// @dev Units for ERC-20 representation\n uint256 public immutable units;\n\n /// @dev Total supply in ERC-20 representation\n uint256 public totalSupply;\n\n /// @dev Current mint counter which also represents the highest\n /// minted id, monotonically increasing to ensure accurate ownership\n uint256 public minted;\n\n /// @dev Initial chain id for EIP-2612 support\n uint256 internal immutable _INITIAL_CHAIN_ID;\n\n /// @dev Initial domain separator for EIP-2612 support\n bytes32 internal immutable _INITIAL_DOMAIN_SEPARATOR;\n\n /// @dev Balance of user in ERC-20 representation\n mapping(address => uint256) public balanceOf;\n\n /// @dev Allowance of user in ERC-20 representation\n mapping(address => mapping(address => uint256)) public allowance;\n\n /// @dev Approval in ERC-721 representaion\n mapping(uint256 => address) public getApproved;\n\n /// @dev Approval for all in ERC-721 representation\n mapping(address => mapping(address => bool)) public isApprovedForAll;\n\n /// @dev Packed representation of ownerOf and owned indices\n mapping(uint256 => uint256) internal _ownedData;\n\n /// @dev Array of owned ids in ERC-721 representation\n mapping(address => uint16[]) internal _owned;\n\n /// @dev Addresses that are exempt from ERC-721 transfer, typically for gas savings (pairs, routers, etc)\n mapping(address => bool) internal _erc721TransferExempt;\n\n /// @dev EIP-2612 nonces\n mapping(address => uint256) public nonces;\n\n /// @dev Address bitmask for packed ownership data\n uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;\n\n /// @dev Owned index bitmask for packed ownership data\n uint256 private constant _BITMASK_OWNED_INDEX = ((1 << 96) - 1) << 160;\n\n /// @dev Constant for token id encoding\n uint256 public constant ID_ENCODING_PREFIX = 1 << 255;\n\n /// @dev struct for changeable 6551 setups\n struct dddd_setup {\n ERC6551Account implementation;\n ERC6551Registry registry;\n bytes32 salt;\n }\n\n /// @dev storage for each 6551 setup\n dddd_setup[] public setup;\n\n /// @dev 6551 setup set for each NFT\n mapping(uint256 => uint256) public nft_setup_set;\n\n constructor(string memory name_, string memory symbol_, uint8 decimals_) {\n name = name_;\n symbol = symbol_;\n\n if (decimals_ < 18) {\n revert DecimalsTooLow();\n }\n\n decimals = decimals_;\n units = 10 ** decimals;\n\n // EIP-2612 initialization\n _INITIAL_CHAIN_ID = block.chainid;\n _INITIAL_DOMAIN_SEPARATOR = _computeDomainSeparator();\n }\n\n }

PILLSCopy token address/WETH

DEXSCREENER

PILLS/WETH