function balanceOf(address account, uint256 id) view returns (uint256)

function balanceOfBatch(address[] accounts, uint256[] ids) view returns (uint256[])

function bond() view returns (address)

function contractURI() view returns (string)

function decimals() pure returns (uint8)

function isApprovedForAll(address account, address operator) view returns (bool)

function name() view returns (string)

function supportsInterface(bytes4 interfaceId) view returns (bool)

function symbol() view returns (string)

function totalSupply() view returns (uint256)

function uri(uint256) view returns (string)

function burnByBond(address account, uint256 amount)

function init(string name_, string symbol_, string uri_)

function mintByBond(address to, uint256 amount)

function safeBatchTransferFrom(address from, address to, uint256[] ids, uint256[] values, bytes data)

function safeTransferFrom(address from, address to, uint256 id, uint256 value, bytes data)

function setApprovalForAll(address operator, bool approved)

event ApprovalForAll(address indexed account, address indexed operator, bool approved)

event TransferBatch(address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values)

event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value)

event URI(string value, uint256 indexed id)

error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId)

error ERC1155InvalidApprover(address approver)

error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength)

error ERC1155InvalidOperator(address operator)

error ERC1155InvalidReceiver(address receiver)

error ERC1155InvalidSender(address sender)

error ERC1155MissingApprovalForAll(address operator, address owner)

error MCV2_MultiToken__AlreadyInitialized()

error MCV2_MultiToken__BurnAmountExceedsTotalSupply()

error MCV2_MultiToken__NotApproved()

error MCV2_MultiToken__PermissionDenied()