{ "contractName": "ERC721Core", "abi": [ { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "approved", "type": "address" }, { "indexed": true, "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "Approval", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "owner", "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": "from", "type": "address" }, { "indexed": true, "internalType": "address", "name": "to", "type": "address" }, { "indexed": true, "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "Transfer", "type": "event" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "tokenURI", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes4", "name": "interfaceId", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" } ], "name": "balanceOf", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "ownerOf", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "name", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "symbol", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "approve", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "getApproved", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "operator", "type": "address" }, { "internalType": "bool", "name": "approved", "type": "bool" } ], "name": "setApprovalForAll", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "address", "name": "operator", "type": "address" } ], "name": "isApprovedForAll", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "transferFrom", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "safeTransferFrom", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "safeTransferFrom", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.8.19+commit.7dd6d404\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"approved\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"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\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"getApproved\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"}],\"name\":\"isApprovedForAll\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"ownerOf\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"},{\"internalType\":\"bool\",\"name\":\"approved\",\"type\":\"bool\"}],\"name\":\"setApprovalForAll\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"tokenURI\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard\",\"events\":{\"Approval(address,address,uint256)\":{\"details\":\"Emitted when `owner` enables `approved` to manage the `tokenId` token.\"},\"ApprovalForAll(address,address,bool)\":{\"details\":\"Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\"},\"Transfer(address,address,uint256)\":{\"details\":\"Emitted when `tokenId` token is transferred from `from` to `to`.\"}},\"kind\":\"dev\",\"methods\":{\"approve(address,uint256)\":{\"details\":\"See {IERC721-approve}.\"},\"balanceOf(address)\":{\"details\":\"See {IERC721-balanceOf}.\"},\"getApproved(uint256)\":{\"details\":\"See {IERC721-getApproved}.\"},\"isApprovedForAll(address,address)\":{\"details\":\"See {IERC721-isApprovedForAll}.\"},\"name()\":{\"details\":\"See {IERC721Metadata-name}.\"},\"ownerOf(uint256)\":{\"details\":\"See {IERC721-ownerOf}.\"},\"safeTransferFrom(address,address,uint256)\":{\"details\":\"See {IERC721-safeTransferFrom}.\"},\"safeTransferFrom(address,address,uint256,bytes)\":{\"details\":\"See {IERC721-safeTransferFrom}.\"},\"setApprovalForAll(address,bool)\":{\"details\":\"See {IERC721-setApprovalForAll}.\"},\"supportsInterface(bytes4)\":{\"details\":\"See {IERC165-supportsInterface}.\"},\"symbol()\":{\"details\":\"See {IERC721Metadata-symbol}.\"},\"tokenURI(uint256)\":{\"details\":\"Returns the Uniform Resource Identifier (URI) for `tokenId` token.\"},\"transferFrom(address,address,uint256)\":{\"details\":\"See {IERC721-transferFrom}.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"project:/contracts/token/ERC721/ERC721Core.sol\":\"ERC721Core\"},\"evmVersion\":\"paris\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":25},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/token/ERC721/IERC721.sol\":{\"keccak256\":\"0xab28a56179c1db258c9bf5235b382698cb650debecb51b23d12be9e241374b68\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://daae589a9d6fa7e55f99f86c0a16796ca490f243fb3693632c3711c0646c1d56\",\"dweb:/ipfs/QmR3zpd7wNw3rcUdekwiv6FYHJqksuTCXLVioTxu6Fbxk3\"]},\"@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol\":{\"keccak256\":\"0xa82b58eca1ee256be466e536706850163d2ec7821945abd6b4778cfb3bee37da\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://6e75cf83beb757b8855791088546b8337e9d4684e169400c20d44a515353b708\",\"dweb:/ipfs/QmYvPafLfoquiDMEj7CKHtvbgHu7TJNPSVPSCjrtjV8HjV\"]},\"@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol\":{\"keccak256\":\"0x75b829ff2f26c14355d1cba20e16fe7b29ca58eb5fef665ede48bc0f9c6c74b9\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://a0a107160525724f9e1bbbab031defc2f298296dd9e331f16a6f7130cec32146\",\"dweb:/ipfs/QmemujxSd7gX8A9M8UwmNbz4Ms3U9FG9QfudUgxwvTmPWf\"]},\"@openzeppelin/contracts/utils/Address.sol\":{\"keccak256\":\"0xf96f969e24029d43d0df89e59d365f277021dac62b48e1c1e3ebe0acdd7f1ca1\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://ec772b45a624be516f1c81970caa8a2e144301e9d0921cbc1a2789fef39a1269\",\"dweb:/ipfs/QmNyjwxCrGhQMyzLD93oUobJXVe9ceJvRvfXwbEtuxPiEj\"]},\"@openzeppelin/contracts/utils/Strings.sol\":{\"keccak256\":\"0xa4d1d62251f8574deb032a35fc948386a9b4de74b812d4f545a1ac120486b48a\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://8c969013129ba9e651a20735ef659fef6d8a1139ea3607bd4b26ddea2d645634\",\"dweb:/ipfs/QmVhVa6LGuzAcB8qgDtVHRkucn4ihj5UZr8xBLcJkP6ucb\"]},\"@openzeppelin/contracts/utils/introspection/ERC165.sol\":{\"keccak256\":\"0xd10975de010d89fd1c78dc5e8a9a7e7f496198085c151648f20cba166b32582b\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://fb0048dee081f6fffa5f74afc3fb328483c2a30504e94a0ddd2a5114d731ec4d\",\"dweb:/ipfs/QmZptt1nmYoA5SgjwnSgWqgUSDgm4q52Yos3xhnMv3MV43\"]},\"@openzeppelin/contracts/utils/introspection/IERC165.sol\":{\"keccak256\":\"0x447a5f3ddc18419d41ff92b3773fb86471b1db25773e07f877f548918a185bf1\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://be161e54f24e5c6fae81a12db1a8ae87bc5ae1b0ddc805d82a1440a68455088f\",\"dweb:/ipfs/QmP7C3CHdY9urF4dEMb9wmsp1wMxHF6nhA2yQE5SKiPAdy\"]},\"@openzeppelin/contracts/utils/math/Math.sol\":{\"keccak256\":\"0xa1e8e83cd0087785df04ac79fb395d9f3684caeaf973d9e2c71caef723a3a5d6\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://33bbf48cc069be677705037ba7520c22b1b622c23b33e1a71495f2d36549d40b\",\"dweb:/ipfs/Qmct36zWXv3j7LZB83uwbg7TXwnZSN1fqHNDZ93GG98bGz\"]},\"project:/contracts/token/ERC721/ERC721Core.sol\":{\"keccak256\":\"0x9e8b158cc5525ad454a540fd6a933a2a1f4d831581a69640f57434b99070e523\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b808dc37f808fc11531401948c84de89172b7a21cf853484e707c81f514b95d0\",\"dweb:/ipfs/QmfVLezwsANYfiTeEgDV1yyvjiJWz7T3AeHUow5hhFP9iV\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "immutableReferences": {}, "generatedSources": [], "deployedGeneratedSources": [], "sourceMap": "", "deployedSourceMap": "", "source": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\nimport \"@openzeppelin/contracts/token/ERC721/IERC721.sol\";\nimport \"@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol\";\nimport \"@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol\";\nimport \"@openzeppelin/contracts/utils/Address.sol\";\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\nimport \"@openzeppelin/contracts/utils/introspection/ERC165.sol\";\n\n/**\n * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard\n */\nabstract contract ERC721Core is ERC165, IERC721, IERC721Metadata {\n using Address for address;\n using Strings for uint256;\n\n // Token name\n string internal _name;\n\n // Token symbol\n string internal _symbol;\n\n struct TokenData {\n address owner;\n uint96 data;\n }\n\n // Mapping from token ID to token data\n mapping(uint256 => TokenData) internal _tokenData;\n\n // Mapping owner address to token count\n mapping(address => uint256) private _balances;\n\n // Mapping from token ID to approved address\n mapping(uint256 => address) private _tokenApprovals;\n\n // Mapping from owner to operator approvals\n mapping(address => mapping(address => bool)) private _operatorApprovals;\n\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return\n interfaceId == type(IERC721).interfaceId ||\n interfaceId == type(IERC721Metadata).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n /**\n * @dev See {IERC721-balanceOf}.\n */\n function balanceOf(address owner) public view virtual override returns (uint256) {\n require(owner != address(0), \"ERC721: address zero is not a valid owner\");\n return _balances[owner];\n }\n\n /**\n * @dev See {IERC721-ownerOf}.\n */\n function ownerOf(uint256 tokenId) public view virtual override returns (address) {\n address owner = _tokenData[tokenId].owner;\n require(owner != address(0), \"ERC721: invalid token ID\");\n return owner;\n }\n\n /**\n * @dev See {IERC721Metadata-name}.\n */\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n /**\n * @dev See {IERC721Metadata-symbol}.\n */\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev See {IERC721-approve}.\n */\n function approve(address to, uint256 tokenId) public virtual override {\n address owner = ERC721Core.ownerOf(tokenId);\n require(to != owner, \"ERC721: approval to current owner\");\n\n require(\n msg.sender == owner || isApprovedForAll(owner, msg.sender),\n \"ERC721: approve caller is not token owner or approved for all\"\n );\n\n _approve(to, tokenId);\n }\n\n /**\n * @dev See {IERC721-getApproved}.\n */\n function getApproved(uint256 tokenId) public view virtual override returns (address) {\n _requireMinted(tokenId);\n\n return _tokenApprovals[tokenId];\n }\n\n /**\n * @dev See {IERC721-setApprovalForAll}.\n */\n function setApprovalForAll(address operator, bool approved) public virtual override {\n _setApprovalForAll(msg.sender, operator, approved);\n }\n\n /**\n * @dev See {IERC721-isApprovedForAll}.\n */\n function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {\n return _operatorApprovals[owner][operator];\n }\n\n /**\n * @dev See {IERC721-transferFrom}.\n */\n function transferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n //solhint-disable-next-line max-line-length\n require(_isApprovedOrOwner(msg.sender, tokenId), \"ERC721: caller is not token owner or approved\");\n\n _transfer(from, to, tokenId);\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId\n ) public virtual override {\n safeTransferFrom(from, to, tokenId, \"\");\n }\n\n /**\n * @dev See {IERC721-safeTransferFrom}.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) public virtual override {\n require(_isApprovedOrOwner(msg.sender, tokenId), \"ERC721: caller is not token owner or approved\");\n _safeTransfer(from, to, tokenId, data);\n }\n\n /**\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n *\n * `data` is additional data, it has no specified format and it is sent in call to `to`.\n *\n * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.\n * implement alternative mechanisms to perform token transfer, such as signature-based.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `tokenId` token must exist and be owned by `from`.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function _safeTransfer(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) internal virtual {\n _transfer(from, to, tokenId);\n require(_checkOnERC721Received(from, to, tokenId, data), \"ERC721: transfer to non ERC721Receiver implementer\");\n }\n\n /**\n * @dev Returns whether `tokenId` exists.\n *\n * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\n *\n * Tokens start existing when they are minted (`_mint`),\n * and stop existing when they are burned (`_burn`).\n */\n function _exists(uint256 tokenId) internal view virtual returns (bool) {\n return _tokenData[tokenId].owner != address(0);\n }\n\n /**\n * @dev Returns whether `spender` is allowed to manage `tokenId`.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n */\n function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {\n address owner = ERC721Core.ownerOf(tokenId);\n return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender);\n }\n\n /**\n * @dev Safely mints `tokenId` and transfers it to `to`.\n *\n * Requirements:\n *\n * - `tokenId` must not exist.\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n *\n * Emits a {Transfer} event.\n */\n function _safeMint(address to, uint256 tokenId, uint96 tokenData) internal virtual {\n _safeMint(to, tokenId, tokenData, \"\");\n }\n\n /**\n * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is\n * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.\n */\n function _safeMint(\n address to,\n uint256 tokenId,\n uint96 tokenData,\n bytes memory data\n ) internal virtual {\n require(to != address(0), \"ERC721: mint to the zero address\");\n require(!_exists(tokenId), \"ERC721: token already minted\");\n\n _beforeTokenTransfer(address(0), to, tokenId, tokenData);\n\n unchecked {\n // Will not overflow unless all 2**256 token ids are minted to the same owner.\n // Given that tokens are minted one by one, it is impossible in practice that\n // this ever happens. Might change if we allow batch minting.\n // The ERC fails to describe this case.\n _balances[to] += 1;\n }\n\n _tokenData[tokenId] = TokenData({\n owner: to,\n data: tokenData\n });\n emit Transfer(address(0), to, tokenId);\n\n _afterTokenTransfer(address(0), to, tokenId, tokenData);\n require(\n _checkOnERC721Received(address(0), to, tokenId, data),\n \"ERC721: transfer to non ERC721Receiver implementer\"\n );\n }\n\n /**\n * @dev Destroys `tokenId`.\n * The approval is cleared when the token is burned.\n *\n * Requirements:\n *\n * - `tokenId` must exist.\n *\n * Emits a {Transfer} event.\n */\n function _burn(uint256 tokenId) internal virtual {\n TokenData memory tokenData = _tokenData[tokenId];\n address owner = tokenData.owner;\n uint96 data = tokenData.data;\n\n _beforeTokenTransfer(owner, address(0), tokenId, data);\n\n // Clear approvals\n _approve(address(0), tokenId);\n\n unchecked {\n // Cannot overflow, as that would require more tokens to be burned/transferred\n // out than the owner initially received through minting and transferring in.\n _balances[owner] -= 1;\n }\n delete _tokenData[tokenId];\n\n emit Transfer(owner, address(0), tokenId);\n\n _afterTokenTransfer(owner, address(0), tokenId, data);\n }\n\n /**\n * @dev Transfers `tokenId` from `from` to `to`.\n * As opposed to {transferFrom}, this imposes no restrictions on msg.sender.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `tokenId` token must be owned by `from`.\n *\n * Emits a {Transfer} event.\n */\n function _transfer(\n address from,\n address to,\n uint256 tokenId\n ) internal virtual {\n TokenData memory tokenData = _tokenData[tokenId];\n address owner = tokenData.owner;\n require(owner == from, \"ERC721: transfer from incorrect owner\");\n require(to != address(0), \"ERC721: transfer to the zero address\");\n\n uint96 data = tokenData.data;\n\n _beforeTokenTransfer(from, to, tokenId, data);\n\n // Clear approvals from the previous owner\n _approve(address(0), tokenId);\n\n unchecked {\n // `_balances[from]` cannot overflow for the same reason as described in `_burn`:\n // `from`'s balance is the number of token held, which is at least one before the current\n // transfer.\n // `_balances[to]` could overflow in the conditions described in `_mint`. That would require\n // all 2**256 token ids to be minted, which in practice is impossible.\n _balances[from] -= 1;\n _balances[to] += 1;\n }\n _tokenData[tokenId].owner = to;\n\n emit Transfer(from, to, tokenId);\n\n _afterTokenTransfer(from, to, tokenId, data);\n }\n\n /**\n * @dev Approve `to` to operate on `tokenId`\n *\n * Emits an {Approval} event.\n */\n function _approve(address to, uint256 tokenId) internal virtual {\n _tokenApprovals[tokenId] = to;\n emit Approval(ERC721Core.ownerOf(tokenId), to, tokenId);\n }\n\n /**\n * @dev Approve `operator` to operate on all of `owner` tokens\n *\n * Emits an {ApprovalForAll} event.\n */\n function _setApprovalForAll(\n address owner,\n address operator,\n bool approved\n ) internal virtual {\n require(owner != operator, \"ERC721: approve to caller\");\n _operatorApprovals[owner][operator] = approved;\n emit ApprovalForAll(owner, operator, approved);\n }\n\n /**\n * @dev Reverts if the `tokenId` has not been minted yet.\n */\n function _requireMinted(uint256 tokenId) internal view virtual {\n require(_exists(tokenId), \"ERC721: invalid token ID\");\n }\n\n /**\n * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.\n * The call is not executed if the target address is not a contract.\n *\n * @param from address representing the previous owner of the given token ID\n * @param to target address that will receive the tokens\n * @param tokenId uint256 ID of the token to be transferred\n * @param data bytes optional data to send along with the call\n * @return bool whether the call correctly returned the expected magic value\n */\n function _checkOnERC721Received(\n address from,\n address to,\n uint256 tokenId,\n bytes memory data\n ) private returns (bool) {\n if (to.isContract()) {\n try IERC721Receiver(to).onERC721Received(msg.sender, from, tokenId, data) returns (bytes4 retval) {\n return retval == IERC721Receiver.onERC721Received.selector;\n } catch (bytes memory reason) {\n if (reason.length == 0) {\n revert(\"ERC721: transfer to non ERC721Receiver implementer\");\n } else {\n /// @solidity memory-safe-assembly\n assembly {\n revert(add(32, reason), mload(reason))\n }\n }\n }\n } else {\n return true;\n }\n }\n\n /**\n * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is\n * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`.\n * - When `from` is zero, the tokens will be minted for `to`.\n * - When `to` is zero, ``from``'s tokens will be burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256 tokenId,\n uint96 tokenData\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is\n * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.\n *\n * Calling conditions:\n *\n * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`.\n * - When `from` is zero, the tokens were minted for `to`.\n * - When `to` is zero, ``from``'s tokens were burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 tokenId,\n uint96 tokenData\n ) internal virtual {}\n}\n", "sourcePath": "/Users/chung/git/manifoldxyz/solidity/creator-core-solidity/contracts/token/ERC721/ERC721Core.sol", "ast": { "absolutePath": "project:/contracts/token/ERC721/ERC721Core.sol", "exportedSymbols": { "Address": [ 1911 ], "ERC165": [ 2132 ], "ERC721Core": [ 20641 ], "IERC165": [ 2338 ], "IERC721": [ 1505 ], "IERC721Metadata": [ 1581 ], "IERC721Receiver": [ 1523 ], "Math": [ 3203 ], "Strings": [ 2108 ] }, "id": 20642, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 19804, "literals": [ "solidity", "^", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "33:23:78" }, { "absolutePath": "@openzeppelin/contracts/token/ERC721/IERC721.sol", "file": "@openzeppelin/contracts/token/ERC721/IERC721.sol", "id": 19805, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 20642, "sourceUnit": 1506, "src": "58:58:78", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol", "file": "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol", "id": 19806, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 20642, "sourceUnit": 1524, "src": "117:66:78", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol", "file": "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol", "id": 19807, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 20642, "sourceUnit": 1582, "src": "184:77:78", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/utils/Address.sol", "file": "@openzeppelin/contracts/utils/Address.sol", "id": 19808, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 20642, "sourceUnit": 1912, "src": "262:51:78", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/utils/Strings.sol", "file": "@openzeppelin/contracts/utils/Strings.sol", "id": 19809, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 20642, "sourceUnit": 2109, "src": "314:51:78", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/utils/introspection/ERC165.sol", "file": "@openzeppelin/contracts/utils/introspection/ERC165.sol", "id": 19810, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 20642, "sourceUnit": 2133, "src": "366:64:78", "symbolAliases": [], "unitAlias": "" }, { "abstract": true, "baseContracts": [ { "baseName": { "id": 19812, "name": "ERC165", "nameLocations": [ "573:6:78" ], "nodeType": "IdentifierPath", "referencedDeclaration": 2132, "src": "573:6:78" }, "id": 19813, "nodeType": "InheritanceSpecifier", "src": "573:6:78" }, { "baseName": { "id": 19814, "name": "IERC721", "nameLocations": [ "581:7:78" ], "nodeType": "IdentifierPath", "referencedDeclaration": 1505, "src": "581:7:78" }, "id": 19815, "nodeType": "InheritanceSpecifier", "src": "581:7:78" }, { "baseName": { "id": 19816, "name": "IERC721Metadata", "nameLocations": [ "590:15:78" ], "nodeType": "IdentifierPath", "referencedDeclaration": 1581, "src": "590:15:78" }, "id": 19817, "nodeType": "InheritanceSpecifier", "src": "590:15:78" } ], "canonicalName": "ERC721Core", "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 19811, "nodeType": "StructuredDocumentation", "src": "432:108:78", "text": " @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard" }, "fullyImplemented": false, "id": 20641, "linearizedBaseContracts": [ 20641, 1581, 1505, 2132, 2338 ], "name": "ERC721Core", "nameLocation": "559:10:78", "nodeType": "ContractDefinition", "nodes": [ { "global": false, "id": 19820, "libraryName": { "id": 19818, "name": "Address", "nameLocations": [ "618:7:78" ], "nodeType": "IdentifierPath", "referencedDeclaration": 1911, "src": "618:7:78" }, "nodeType": "UsingForDirective", "src": "612:26:78", "typeName": { "id": 19819, "name": "address", "nodeType": "ElementaryTypeName", "src": "630:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } }, { "global": false, "id": 19823, "libraryName": { "id": 19821, "name": "Strings", "nameLocations": [ "649:7:78" ], "nodeType": "IdentifierPath", "referencedDeclaration": 2108, "src": "649:7:78" }, "nodeType": "UsingForDirective", "src": "643:26:78", "typeName": { "id": 19822, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "661:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, { "constant": false, "id": 19825, "mutability": "mutable", "name": "_name", "nameLocation": "709:5:78", "nodeType": "VariableDeclaration", "scope": 20641, "src": "693:21:78", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string" }, "typeName": { "id": 19824, "name": "string", "nodeType": "ElementaryTypeName", "src": "693:6:78", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" }, { "constant": false, "id": 19827, "mutability": "mutable", "name": "_symbol", "nameLocation": "757:7:78", "nodeType": "VariableDeclaration", "scope": 20641, "src": "741:23:78", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_string_storage", "typeString": "string" }, "typeName": { "id": 19826, "name": "string", "nodeType": "ElementaryTypeName", "src": "741:6:78", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "visibility": "internal" }, { "canonicalName": "ERC721Core.TokenData", "id": 19832, "members": [ { "constant": false, "id": 19829, "mutability": "mutable", "name": "owner", "nameLocation": "806:5:78", "nodeType": "VariableDeclaration", "scope": 19832, "src": "798:13:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 19828, "name": "address", "nodeType": "ElementaryTypeName", "src": "798:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 19831, "mutability": "mutable", "name": "data", "nameLocation": "828:4:78", "nodeType": "VariableDeclaration", "scope": 19832, "src": "821:11:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" }, "typeName": { "id": 19830, "name": "uint96", "nodeType": "ElementaryTypeName", "src": "821:6:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } }, "visibility": "internal" } ], "name": "TokenData", "nameLocation": "778:9:78", "nodeType": "StructDefinition", "scope": 20641, "src": "771:68:78", "visibility": "public" }, { "constant": false, "id": 19837, "mutability": "mutable", "name": "_tokenData", "nameLocation": "927:10:78", "nodeType": "VariableDeclaration", "scope": 20641, "src": "888:49:78", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_TokenData_$19832_storage_$", "typeString": "mapping(uint256 => struct ERC721Core.TokenData)" }, "typeName": { "id": 19836, "keyName": "", "keyNameLocation": "-1:-1:-1", "keyType": { "id": 19833, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "896:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Mapping", "src": "888:29:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_TokenData_$19832_storage_$", "typeString": "mapping(uint256 => struct ERC721Core.TokenData)" }, "valueName": "", "valueNameLocation": "-1:-1:-1", "valueType": { "id": 19835, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 19834, "name": "TokenData", "nameLocations": [ "907:9:78" ], "nodeType": "IdentifierPath", "referencedDeclaration": 19832, "src": "907:9:78" }, "referencedDeclaration": 19832, "src": "907:9:78", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_storage_ptr", "typeString": "struct ERC721Core.TokenData" } } }, "visibility": "internal" }, { "constant": false, "id": 19841, "mutability": "mutable", "name": "_balances", "nameLocation": "1024:9:78", "nodeType": "VariableDeclaration", "scope": 20641, "src": "988:45:78", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "typeName": { "id": 19840, "keyName": "", "keyNameLocation": "-1:-1:-1", "keyType": { "id": 19838, "name": "address", "nodeType": "ElementaryTypeName", "src": "996:7:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "988:27:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "valueName": "", "valueNameLocation": "-1:-1:-1", "valueType": { "id": 19839, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1007:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, "visibility": "private" }, { "constant": false, "id": 19845, "mutability": "mutable", "name": "_tokenApprovals", "nameLocation": "1125:15:78", "nodeType": "VariableDeclaration", "scope": 20641, "src": "1089:51:78", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_address_$", "typeString": "mapping(uint256 => address)" }, "typeName": { "id": 19844, "keyName": "", "keyNameLocation": "-1:-1:-1", "keyType": { "id": 19842, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1097:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Mapping", "src": "1089:27:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_address_$", "typeString": "mapping(uint256 => address)" }, "valueName": "", "valueNameLocation": "-1:-1:-1", "valueType": { "id": 19843, "name": "address", "nodeType": "ElementaryTypeName", "src": "1108:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } }, "visibility": "private" }, { "constant": false, "id": 19851, "mutability": "mutable", "name": "_operatorApprovals", "nameLocation": "1248:18:78", "nodeType": "VariableDeclaration", "scope": 20641, "src": "1195:71:78", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_bool_$_$", "typeString": "mapping(address => mapping(address => bool))" }, "typeName": { "id": 19850, "keyName": "", "keyNameLocation": "-1:-1:-1", "keyType": { "id": 19846, "name": "address", "nodeType": "ElementaryTypeName", "src": "1203:7:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "1195:44:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_bool_$_$", "typeString": "mapping(address => mapping(address => bool))" }, "valueName": "", "valueNameLocation": "-1:-1:-1", "valueType": { "id": 19849, "keyName": "", "keyNameLocation": "-1:-1:-1", "keyType": { "id": 19847, "name": "address", "nodeType": "ElementaryTypeName", "src": "1222:7:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "1214:24:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_bool_$", "typeString": "mapping(address => bool)" }, "valueName": "", "valueNameLocation": "-1:-1:-1", "valueType": { "id": 19848, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1233:4:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } } }, "visibility": "private" }, { "baseFunctions": [ 2131, 2337 ], "body": { "id": 19881, "nodeType": "Block", "src": "1442:192:78", "statements": [ { "expression": { "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 19879, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 19874, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "id": 19867, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 19862, "name": "interfaceId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19854, "src": "1471:11:78", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "expression": { "arguments": [ { "id": 19864, "name": "IERC721", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1505, "src": "1491:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IERC721_$1505_$", "typeString": "type(contract IERC721)" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_type$_t_contract$_IERC721_$1505_$", "typeString": "type(contract IERC721)" } ], "id": 19863, "name": "type", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967269, "src": "1486:4:78", "typeDescriptions": { "typeIdentifier": "t_function_metatype_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 19865, "isConstant": false, "isLValue": false, "isPure": true, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "1486:13:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_magic_meta_type_t_contract$_IERC721_$1505", "typeString": "type(contract IERC721)" } }, "id": 19866, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberLocation": "1500:11:78", "memberName": "interfaceId", "nodeType": "MemberAccess", "src": "1486:25:78", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "src": "1471:40:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "||", "rightExpression": { "commonType": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" }, "id": 19873, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 19868, "name": "interfaceId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19854, "src": "1527:11:78", "typeDescriptions": { "typeIdentifier": "t_bytes4", "typeString": "bytes4" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "expression": { "arguments": [ { "id": 19870, "name": "IERC721Metadata", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1581, "src": "1547:15:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IERC721Metadata_$1581_$", 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"typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20149, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20134, "src": "5743:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 20150, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20136, "src": "5752:4:78", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 20146, "name": "_checkOnERC721Received", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20614, "src": "5710:22:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$_t_bytes_memory_ptr_$returns$_t_bool_$", "typeString": "function (address,address,uint256,bytes memory) returns (bool)" } }, "id": 20151, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "5710:47:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "4552433732313a207472616e7366657220746f206e6f6e20455243373231526563656976657220696d706c656d656e746572", "id": 20152, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "5759:52:78", "typeDescriptions": { "typeIdentifier": "t_stringliteral_1e766a06da43a53d0f4c380e06e5a342e14d5af1bf8501996c844905530ca84e", "typeString": "literal_string \"ERC721: transfer to non ERC721Receiver implementer\"" }, "value": "ERC721: transfer to non ERC721Receiver implementer" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_1e766a06da43a53d0f4c380e06e5a342e14d5af1bf8501996c844905530ca84e", "typeString": "literal_string \"ERC721: transfer to non ERC721Receiver implementer\"" } ], "id": 20145, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "5702:7:78", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 20153, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "5702:110:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20154, "nodeType": "ExpressionStatement", "src": "5702:110:78" } ] }, "documentation": { "id": 20128, "nodeType": "StructuredDocumentation", "src": "4659:850:78", "text": " @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n are aware of the ERC721 protocol to prevent tokens from being forever locked.\n `data` is additional data, it has no specified format and it is sent in call to `to`.\n This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.\n implement alternative mechanisms to perform token transfer, such as signature-based.\n Requirements:\n - `from` cannot be the zero address.\n - `to` cannot be the zero address.\n - `tokenId` token must exist and be owned by `from`.\n - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n Emits a {Transfer} event." }, "id": 20156, "implemented": true, "kind": "function", "modifiers": [], "name": "_safeTransfer", "nameLocation": "5523:13:78", "nodeType": "FunctionDefinition", "parameters": { "id": 20137, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20130, "mutability": "mutable", "name": "from", "nameLocation": "5554:4:78", "nodeType": "VariableDeclaration", "scope": 20156, "src": "5546:12:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20129, "name": "address", "nodeType": "ElementaryTypeName", "src": "5546:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20132, "mutability": "mutable", "name": "to", "nameLocation": "5576:2:78", "nodeType": "VariableDeclaration", "scope": 20156, "src": "5568:10:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20131, "name": "address", "nodeType": "ElementaryTypeName", "src": "5568:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20134, "mutability": "mutable", "name": "tokenId", "nameLocation": "5596:7:78", "nodeType": "VariableDeclaration", "scope": 20156, "src": "5588:15:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 20133, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5588:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 20136, "mutability": "mutable", "name": "data", "nameLocation": "5626:4:78", "nodeType": "VariableDeclaration", "scope": 20156, "src": "5613:17:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 20135, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "5613:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "5536:100:78" }, "returnParameters": { "id": 20138, "nodeType": "ParameterList", "parameters": [], "src": "5654:0:78" }, "scope": 20641, "src": "5514:305:78", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "body": { "id": 20174, "nodeType": "Block", "src": "6193:63:78", "statements": [ { "expression": { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 20172, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "baseExpression": { "id": 20164, "name": "_tokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19837, "src": "6210:10:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_TokenData_$19832_storage_$", "typeString": "mapping(uint256 => struct ERC721Core.TokenData storage ref)" } }, "id": 20166, "indexExpression": { "id": 20165, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20159, "src": "6221:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "6210:19:78", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_storage", "typeString": "struct ERC721Core.TokenData storage ref" } }, "id": 20167, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "6230:5:78", "memberName": "owner", "nodeType": "MemberAccess", "referencedDeclaration": 19829, "src": "6210:25:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 20170, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "6247:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 20169, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "6239:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 20168, "name": "address", "nodeType": "ElementaryTypeName", "src": "6239:7:78", "typeDescriptions": {} } }, "id": 20171, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "6239:10:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "6210:39:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 20163, "id": 20173, "nodeType": "Return", "src": "6203:46:78" } ] }, "documentation": { "id": 20157, "nodeType": "StructuredDocumentation", "src": "5825:292:78", "text": " @dev Returns whether `tokenId` exists.\n Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\n Tokens start existing when they are minted (`_mint`),\n and stop existing when they are burned (`_burn`)." }, "id": 20175, "implemented": true, "kind": "function", "modifiers": [], "name": "_exists", "nameLocation": "6131:7:78", "nodeType": "FunctionDefinition", "parameters": { "id": 20160, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20159, "mutability": "mutable", "name": "tokenId", "nameLocation": "6147:7:78", "nodeType": "VariableDeclaration", "scope": 20175, "src": "6139:15:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 20158, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6139:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "6138:17:78" }, "returnParameters": { "id": 20163, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20162, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 20175, "src": "6187:4:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 20161, "name": "bool", "nodeType": "ElementaryTypeName", "src": "6187:4:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "6186:6:78" }, "scope": 20641, "src": "6122:134:78", "stateMutability": "view", "virtual": true, "visibility": "internal" }, { "body": { "id": 20208, "nodeType": "Block", "src": "6513:166:78", "statements": [ { "assignments": [ 20186 ], "declarations": [ { "constant": false, "id": 20186, "mutability": "mutable", "name": "owner", "nameLocation": "6531:5:78", "nodeType": "VariableDeclaration", "scope": 20208, "src": "6523:13:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20185, "name": "address", "nodeType": "ElementaryTypeName", "src": "6523:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "id": 20191, "initialValue": { "arguments": [ { "id": 20189, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20180, "src": "6558:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "id": 20187, "name": "ERC721Core", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20641, "src": "6539:10:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ERC721Core_$20641_$", "typeString": "type(contract ERC721Core)" } }, "id": 20188, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberLocation": "6550:7:78", "memberName": "ownerOf", "nodeType": "MemberAccess", "referencedDeclaration": 19935, "src": "6539:18:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint256_$returns$_t_address_$", "typeString": "function (uint256) view returns (address)" } }, "id": 20190, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "6539:27:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "6523:43:78" }, { "expression": { "components": [ { "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 20205, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 20199, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 20194, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 20192, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20178, "src": "6584:7:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "id": 20193, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20186, "src": "6595:5:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "6584:16:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "||", "rightExpression": { "arguments": [ { "id": 20196, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20186, "src": "6621:5:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20197, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20178, "src": "6628:7:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 20195, "name": "isApprovedForAll", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20051, "src": "6604:16:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$_t_address_$returns$_t_bool_$", "typeString": "function (address,address) view returns (bool)" } }, "id": 20198, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "6604:32:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "6584:52:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "||", "rightExpression": { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 20204, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "arguments": [ { "id": 20201, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20180, "src": "6652:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 20200, "name": "getApproved", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20016, "src": "6640:11:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint256_$returns$_t_address_$", "typeString": "function (uint256) view returns (address)" } }, "id": 20202, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "6640:20:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "id": 20203, "name": "spender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20178, "src": "6664:7:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "6640:31:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "6584:87:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "id": 20206, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "6583:89:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 20184, "id": 20207, "nodeType": "Return", "src": "6576:96:78" } ] }, "documentation": { "id": 20176, "nodeType": "StructuredDocumentation", "src": "6262:147:78", "text": " @dev Returns whether `spender` is allowed to manage `tokenId`.\n Requirements:\n - `tokenId` must exist." }, "id": 20209, "implemented": true, "kind": "function", "modifiers": [], "name": "_isApprovedOrOwner", "nameLocation": "6423:18:78", "nodeType": "FunctionDefinition", "parameters": { "id": 20181, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20178, "mutability": "mutable", "name": "spender", "nameLocation": "6450:7:78", "nodeType": "VariableDeclaration", "scope": 20209, "src": "6442:15:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20177, "name": "address", "nodeType": "ElementaryTypeName", "src": "6442:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20180, "mutability": "mutable", "name": "tokenId", "nameLocation": "6467:7:78", "nodeType": "VariableDeclaration", "scope": 20209, "src": "6459:15:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 20179, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "6459:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "6441:34:78" }, "returnParameters": { "id": 20184, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20183, "mutability": "mutable", "name": "", "nameLocation": "-1:-1:-1", "nodeType": "VariableDeclaration", "scope": 20209, "src": "6507:4:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 20182, "name": "bool", "nodeType": "ElementaryTypeName", "src": "6507:4:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "6506:6:78" }, "scope": 20641, "src": "6414:265:78", "stateMutability": "view", "virtual": true, "visibility": "internal" }, { "body": { "id": 20226, "nodeType": "Block", "src": "7092:54:78", "statements": [ { "expression": { "arguments": [ { "id": 20220, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20212, "src": "7112:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20221, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20214, "src": "7116:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 20222, "name": "tokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20216, "src": "7125:9:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } }, { "hexValue": "", "id": 20223, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "7136:2:78", "typeDescriptions": { "typeIdentifier": "t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470", "typeString": "literal_string \"\"" }, "value": "" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint96", "typeString": "uint96" }, { "typeIdentifier": "t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470", "typeString": "literal_string \"\"" } ], "id": 20219, "name": "_safeMint", "nodeType": "Identifier", "overloadedDeclarations": [ 20227, 20316 ], "referencedDeclaration": 20316, "src": "7102:9:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint256_$_t_uint96_$_t_bytes_memory_ptr_$returns$__$", "typeString": "function (address,uint256,uint96,bytes memory)" } }, "id": 20224, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "7102:37:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20225, "nodeType": "ExpressionStatement", "src": "7102:37:78" } ] }, "documentation": { "id": 20210, "nodeType": "StructuredDocumentation", "src": "6685:319:78", "text": " @dev Safely mints `tokenId` and transfers it to `to`.\n Requirements:\n - `tokenId` must not exist.\n - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n Emits a {Transfer} event." }, "id": 20227, "implemented": true, "kind": "function", "modifiers": [], "name": "_safeMint", "nameLocation": "7018:9:78", "nodeType": "FunctionDefinition", "parameters": { "id": 20217, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20212, "mutability": "mutable", "name": "to", "nameLocation": "7036:2:78", "nodeType": "VariableDeclaration", "scope": 20227, "src": "7028:10:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20211, "name": "address", "nodeType": "ElementaryTypeName", "src": "7028:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20214, "mutability": "mutable", "name": "tokenId", "nameLocation": "7048:7:78", "nodeType": "VariableDeclaration", "scope": 20227, "src": "7040:15:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 20213, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7040:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 20216, "mutability": "mutable", "name": "tokenData", "nameLocation": "7064:9:78", "nodeType": "VariableDeclaration", "scope": 20227, "src": "7057:16:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" }, "typeName": { "id": 20215, "name": "uint96", "nodeType": "ElementaryTypeName", "src": "7057:6:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } }, "visibility": "internal" } ], "src": "7027:47:78" }, "returnParameters": { "id": 20218, "nodeType": "ParameterList", "parameters": [], "src": "7092:0:78" }, "scope": 20641, "src": "7009:137:78", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "body": { "id": 20315, "nodeType": "Block", "src": "7507:963:78", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 20245, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 20240, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20230, "src": "7525:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 20243, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7539:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 20242, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "7531:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 20241, "name": "address", "nodeType": "ElementaryTypeName", "src": "7531:7:78", "typeDescriptions": {} } }, "id": 20244, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "7531:10:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "7525:16:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "4552433732313a206d696e7420746f20746865207a65726f2061646472657373", "id": 20246, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "7543:34:78", "typeDescriptions": { "typeIdentifier": "t_stringliteral_8a66f4bb6512ffbfcc3db9b42318eb65f26ac15163eaa9a1e5cfa7bee9d1c7c6", "typeString": "literal_string \"ERC721: mint to the zero address\"" }, "value": "ERC721: mint to the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_8a66f4bb6512ffbfcc3db9b42318eb65f26ac15163eaa9a1e5cfa7bee9d1c7c6", "typeString": "literal_string \"ERC721: mint to the zero address\"" } ], "id": 20239, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "7517:7:78", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 20247, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "7517:61:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20248, "nodeType": "ExpressionStatement", "src": "7517:61:78" }, { "expression": { "arguments": [ { "id": 20253, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "7596:17:78", "subExpression": { "arguments": [ { "id": 20251, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20232, "src": "7605:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 20250, "name": "_exists", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20175, "src": "7597:7:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint256_$returns$_t_bool_$", "typeString": "function (uint256) view returns (bool)" } }, "id": 20252, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "7597:16:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "4552433732313a20746f6b656e20616c7265616479206d696e746564", "id": 20254, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "7615:30:78", "typeDescriptions": { "typeIdentifier": "t_stringliteral_2a63ce106ef95058ed21fd07c42a10f11dc5c32ac13a4e847923f7759f635d57", "typeString": "literal_string \"ERC721: token already minted\"" }, "value": "ERC721: token already minted" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_2a63ce106ef95058ed21fd07c42a10f11dc5c32ac13a4e847923f7759f635d57", "typeString": "literal_string \"ERC721: token already minted\"" } ], "id": 20249, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "7588:7:78", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 20255, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "7588:58:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20256, "nodeType": "ExpressionStatement", "src": "7588:58:78" }, { "expression": { "arguments": [ { "arguments": [ { "hexValue": "30", "id": 20260, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "7686:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 20259, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "7678:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 20258, "name": "address", "nodeType": "ElementaryTypeName", "src": "7678:7:78", "typeDescriptions": {} } }, "id": 20261, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "7678:10:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20262, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20230, "src": "7690:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20263, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20232, "src": "7694:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 20264, "name": "tokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20234, "src": "7703:9:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint96", "typeString": "uint96" } ], "id": 20257, "name": "_beforeTokenTransfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20627, "src": "7657:20:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$_t_uint96_$returns$__$", "typeString": "function (address,address,uint256,uint96)" } }, "id": 20265, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "7657:56:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20266, "nodeType": "ExpressionStatement", "src": "7657:56:78" }, { "id": 20273, "nodeType": "UncheckedBlock", "src": "7724:360:78", "statements": [ { "expression": { "id": 20271, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 20267, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19841, "src": "8055:9:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 20269, "indexExpression": { "id": 20268, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20230, "src": "8065:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "8055:13:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "hexValue": "31", "id": 20270, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8072:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "8055:18:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 20272, "nodeType": "ExpressionStatement", "src": "8055:18:78" } ] }, { "expression": { "id": 20281, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 20274, "name": "_tokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19837, "src": "8094:10:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_TokenData_$19832_storage_$", "typeString": "mapping(uint256 => struct ERC721Core.TokenData storage ref)" } }, "id": 20276, "indexExpression": { "id": 20275, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20232, "src": "8105:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "8094:19:78", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_storage", "typeString": "struct ERC721Core.TokenData storage ref" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "id": 20278, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20230, "src": "8147:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20279, "name": "tokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20234, "src": "8169:9:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint96", "typeString": "uint96" } ], "id": 20277, "name": "TokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19832, "src": "8116:9:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_struct$_TokenData_$19832_storage_ptr_$", "typeString": "type(struct ERC721Core.TokenData storage pointer)" } }, "id": 20280, "isConstant": false, "isLValue": false, "isPure": false, "kind": "structConstructorCall", "lValueRequested": false, "nameLocations": [ "8140:5:78", "8163:4:78" ], "names": [ "owner", "data" ], "nodeType": "FunctionCall", "src": "8116:73:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_memory_ptr", "typeString": "struct ERC721Core.TokenData memory" } }, "src": "8094:95:78", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_storage", "typeString": "struct ERC721Core.TokenData storage ref" } }, "id": 20282, "nodeType": "ExpressionStatement", "src": "8094:95:78" }, { "eventCall": { "arguments": [ { "arguments": [ { "hexValue": "30", "id": 20286, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8221:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 20285, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8213:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 20284, "name": "address", "nodeType": "ElementaryTypeName", "src": "8213:7:78", "typeDescriptions": {} } }, "id": 20287, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "8213:10:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20288, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20230, "src": "8225:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20289, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20232, "src": "8229:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 20283, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1404, "src": "8204:8:78", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 20290, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "8204:33:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20291, "nodeType": "EmitStatement", "src": "8199:38:78" }, { "expression": { "arguments": [ { "arguments": [ { "hexValue": "30", "id": 20295, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8276:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 20294, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8268:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 20293, "name": "address", "nodeType": "ElementaryTypeName", "src": "8268:7:78", "typeDescriptions": {} } }, "id": 20296, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "8268:10:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20297, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20230, "src": "8280:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20298, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20232, "src": "8284:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 20299, "name": "tokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20234, "src": "8293:9:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint96", "typeString": "uint96" } ], "id": 20292, "name": "_afterTokenTransfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20640, "src": "8248:19:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$_t_uint96_$returns$__$", "typeString": "function (address,address,uint256,uint96)" } }, "id": 20300, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "8248:55:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20301, "nodeType": "ExpressionStatement", "src": "8248:55:78" }, { "expression": { "arguments": [ { "arguments": [ { "arguments": [ { "hexValue": "30", "id": 20306, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8365:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 20305, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8357:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 20304, "name": "address", "nodeType": "ElementaryTypeName", "src": "8357:7:78", "typeDescriptions": {} } }, "id": 20307, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "8357:10:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20308, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20230, "src": "8369:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20309, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20232, "src": "8373:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 20310, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20236, "src": "8382:4:78", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 20303, "name": "_checkOnERC721Received", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20614, "src": "8334:22:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$_t_bytes_memory_ptr_$returns$_t_bool_$", "typeString": "function (address,address,uint256,bytes memory) returns (bool)" } }, "id": 20311, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "8334:53:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "4552433732313a207472616e7366657220746f206e6f6e20455243373231526563656976657220696d706c656d656e746572", "id": 20312, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "8401:52:78", "typeDescriptions": { "typeIdentifier": "t_stringliteral_1e766a06da43a53d0f4c380e06e5a342e14d5af1bf8501996c844905530ca84e", "typeString": "literal_string \"ERC721: transfer to non ERC721Receiver implementer\"" }, "value": "ERC721: transfer to non ERC721Receiver implementer" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_1e766a06da43a53d0f4c380e06e5a342e14d5af1bf8501996c844905530ca84e", "typeString": "literal_string \"ERC721: transfer to non ERC721Receiver implementer\"" } ], "id": 20302, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "8313:7:78", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 20313, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "8313:150:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20314, "nodeType": "ExpressionStatement", "src": "8313:150:78" } ] }, "documentation": { "id": 20228, "nodeType": "StructuredDocumentation", "src": "7152:210:78", "text": " @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is\n forwarded in {IERC721Receiver-onERC721Received} to contract recipients." }, "id": 20316, "implemented": true, "kind": "function", "modifiers": [], "name": "_safeMint", "nameLocation": "7376:9:78", "nodeType": "FunctionDefinition", "parameters": { "id": 20237, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20230, "mutability": "mutable", "name": "to", "nameLocation": "7403:2:78", "nodeType": "VariableDeclaration", "scope": 20316, "src": "7395:10:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20229, "name": "address", "nodeType": "ElementaryTypeName", "src": "7395:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20232, "mutability": "mutable", "name": "tokenId", "nameLocation": "7423:7:78", "nodeType": "VariableDeclaration", "scope": 20316, "src": "7415:15:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 20231, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "7415:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 20234, "mutability": "mutable", "name": "tokenData", "nameLocation": "7447:9:78", "nodeType": "VariableDeclaration", "scope": 20316, "src": "7440:16:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" }, "typeName": { "id": 20233, "name": "uint96", "nodeType": "ElementaryTypeName", "src": "7440:6:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } }, "visibility": "internal" }, { "constant": false, "id": 20236, "mutability": "mutable", "name": "data", "nameLocation": "7479:4:78", "nodeType": "VariableDeclaration", "scope": 20316, "src": "7466:17:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 20235, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "7466:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "7385:104:78" }, "returnParameters": { "id": 20238, "nodeType": "ParameterList", "parameters": [], "src": "7507:0:78" }, "scope": 20641, "src": "7367:1103:78", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "body": { "id": 20388, "nodeType": "Block", "src": "8736:675:78", "statements": [ { "assignments": [ 20324 ], "declarations": [ { "constant": false, "id": 20324, "mutability": "mutable", "name": "tokenData", "nameLocation": "8763:9:78", "nodeType": "VariableDeclaration", "scope": 20388, "src": "8746:26:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_memory_ptr", "typeString": "struct ERC721Core.TokenData" }, "typeName": { "id": 20323, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 20322, "name": "TokenData", "nameLocations": [ "8746:9:78" ], "nodeType": "IdentifierPath", "referencedDeclaration": 19832, "src": "8746:9:78" }, "referencedDeclaration": 19832, "src": "8746:9:78", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_storage_ptr", "typeString": "struct ERC721Core.TokenData" } }, "visibility": "internal" } ], "id": 20328, "initialValue": { "baseExpression": { "id": 20325, "name": "_tokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19837, "src": "8775:10:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_TokenData_$19832_storage_$", "typeString": "mapping(uint256 => struct ERC721Core.TokenData storage ref)" } }, "id": 20327, "indexExpression": { "id": 20326, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20319, "src": "8786:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "8775:19:78", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_storage", "typeString": "struct ERC721Core.TokenData storage ref" } }, "nodeType": "VariableDeclarationStatement", "src": "8746:48:78" }, { "assignments": [ 20330 ], "declarations": [ { "constant": false, "id": 20330, "mutability": "mutable", "name": "owner", "nameLocation": "8812:5:78", "nodeType": "VariableDeclaration", "scope": 20388, "src": "8804:13:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20329, "name": "address", "nodeType": "ElementaryTypeName", "src": "8804:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "id": 20333, "initialValue": { "expression": { "id": 20331, "name": "tokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20324, "src": "8820:9:78", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_memory_ptr", "typeString": "struct ERC721Core.TokenData memory" } }, "id": 20332, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "8830:5:78", "memberName": "owner", "nodeType": "MemberAccess", "referencedDeclaration": 19829, "src": "8820:15:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "8804:31:78" }, { "assignments": [ 20335 ], "declarations": [ { "constant": false, "id": 20335, "mutability": "mutable", "name": "data", "nameLocation": "8852:4:78", "nodeType": "VariableDeclaration", "scope": 20388, "src": "8845:11:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" }, "typeName": { "id": 20334, "name": "uint96", "nodeType": "ElementaryTypeName", "src": "8845:6:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } }, "visibility": "internal" } ], "id": 20338, "initialValue": { "expression": { "id": 20336, "name": "tokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20324, "src": "8859:9:78", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_memory_ptr", "typeString": "struct ERC721Core.TokenData memory" } }, "id": 20337, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "8869:4:78", "memberName": "data", "nodeType": "MemberAccess", "referencedDeclaration": 19831, "src": "8859:14:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } }, "nodeType": "VariableDeclarationStatement", "src": "8845:28:78" }, { "expression": { "arguments": [ { "id": 20340, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20330, "src": "8905:5:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [ { "hexValue": "30", "id": 20343, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8920:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 20342, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8912:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 20341, "name": "address", "nodeType": "ElementaryTypeName", "src": "8912:7:78", "typeDescriptions": {} } }, "id": 20344, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "8912:10:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20345, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20319, "src": "8924:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 20346, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20335, "src": "8933:4:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint96", "typeString": "uint96" } ], "id": 20339, "name": "_beforeTokenTransfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20627, "src": "8884:20:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$_t_uint96_$returns$__$", "typeString": "function (address,address,uint256,uint96)" } }, "id": 20347, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "8884:54:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20348, "nodeType": "ExpressionStatement", "src": "8884:54:78" }, { "expression": { "arguments": [ { "arguments": [ { "hexValue": "30", "id": 20352, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "8993:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 20351, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "8985:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 20350, "name": "address", "nodeType": "ElementaryTypeName", "src": "8985:7:78", "typeDescriptions": {} } }, "id": 20353, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "8985:10:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20354, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20319, "src": "8997:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 20349, "name": "_approve", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20506, "src": "8976:8:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256)" } }, "id": 20355, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "8976:29:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20356, "nodeType": "ExpressionStatement", "src": "8976:29:78" }, { "id": 20363, "nodeType": "UncheckedBlock", "src": "9016:237:78", "statements": [ { "expression": { "id": 20361, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 20357, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19841, "src": "9221:9:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 20359, "indexExpression": { "id": 20358, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20330, "src": "9231:5:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "9221:16:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "hexValue": "31", "id": 20360, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "9241:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "9221:21:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 20362, "nodeType": "ExpressionStatement", "src": "9221:21:78" } ] }, { "expression": { "id": 20367, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "delete", "prefix": true, "src": "9262:26:78", "subExpression": { "baseExpression": { "id": 20364, "name": "_tokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19837, "src": "9269:10:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_TokenData_$19832_storage_$", "typeString": "mapping(uint256 => struct ERC721Core.TokenData storage ref)" } }, "id": 20366, "indexExpression": { "id": 20365, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20319, "src": "9280:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "9269:19:78", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_storage", "typeString": "struct ERC721Core.TokenData storage ref" } }, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20368, "nodeType": "ExpressionStatement", "src": "9262:26:78" }, { "eventCall": { "arguments": [ { "id": 20370, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20330, "src": "9313:5:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [ { "hexValue": "30", "id": 20373, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "9328:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 20372, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "9320:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 20371, "name": "address", "nodeType": "ElementaryTypeName", "src": "9320:7:78", "typeDescriptions": {} } }, "id": 20374, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "9320:10:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20375, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20319, "src": "9332:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 20369, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1404, "src": "9304:8:78", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 20376, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "9304:36:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20377, "nodeType": "EmitStatement", "src": "9299:41:78" }, { "expression": { "arguments": [ { "id": 20379, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20330, "src": "9371:5:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "arguments": [ { "hexValue": "30", "id": 20382, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "9386:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 20381, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "9378:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 20380, "name": "address", "nodeType": "ElementaryTypeName", "src": "9378:7:78", "typeDescriptions": {} } }, "id": 20383, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "9378:10:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20384, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20319, "src": "9390:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 20385, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20335, "src": "9399:4:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint96", "typeString": "uint96" } ], "id": 20378, "name": "_afterTokenTransfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20640, "src": "9351:19:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$_t_uint96_$returns$__$", "typeString": "function (address,address,uint256,uint96)" } }, "id": 20386, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "9351:53:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20387, "nodeType": "ExpressionStatement", "src": "9351:53:78" } ] }, "documentation": { "id": 20317, "nodeType": "StructuredDocumentation", "src": "8476:206:78", "text": " @dev Destroys `tokenId`.\n The approval is cleared when the token is burned.\n Requirements:\n - `tokenId` must exist.\n Emits a {Transfer} event." }, "id": 20389, "implemented": true, "kind": "function", "modifiers": [], "name": "_burn", "nameLocation": "8696:5:78", "nodeType": "FunctionDefinition", "parameters": { "id": 20320, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20319, "mutability": "mutable", "name": "tokenId", "nameLocation": "8710:7:78", "nodeType": "VariableDeclaration", "scope": 20389, "src": "8702:15:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 20318, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "8702:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "8701:17:78" }, "returnParameters": { "id": 20321, "nodeType": "ParameterList", "parameters": [], "src": "8736:0:78" }, "scope": 20641, "src": "8687:724:78", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "body": { "id": 20481, "nodeType": "Block", "src": "9844:1084:78", "statements": [ { "assignments": [ 20401 ], "declarations": [ { "constant": false, "id": 20401, "mutability": "mutable", "name": "tokenData", "nameLocation": "9871:9:78", "nodeType": "VariableDeclaration", "scope": 20481, "src": "9854:26:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_memory_ptr", "typeString": "struct ERC721Core.TokenData" }, "typeName": { "id": 20400, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 20399, "name": "TokenData", "nameLocations": [ "9854:9:78" ], "nodeType": "IdentifierPath", "referencedDeclaration": 19832, "src": "9854:9:78" }, "referencedDeclaration": 19832, "src": "9854:9:78", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_storage_ptr", "typeString": "struct ERC721Core.TokenData" } }, "visibility": "internal" } ], "id": 20405, "initialValue": { "baseExpression": { "id": 20402, "name": "_tokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19837, "src": "9883:10:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_TokenData_$19832_storage_$", "typeString": "mapping(uint256 => struct ERC721Core.TokenData storage ref)" } }, "id": 20404, "indexExpression": { "id": 20403, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20396, "src": "9894:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "9883:19:78", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_storage", "typeString": "struct ERC721Core.TokenData storage ref" } }, "nodeType": "VariableDeclarationStatement", "src": "9854:48:78" }, { "assignments": [ 20407 ], "declarations": [ { "constant": false, "id": 20407, "mutability": "mutable", "name": "owner", "nameLocation": "9920:5:78", "nodeType": "VariableDeclaration", "scope": 20481, "src": "9912:13:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20406, "name": "address", "nodeType": "ElementaryTypeName", "src": "9912:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "id": 20410, "initialValue": { "expression": { "id": 20408, "name": "tokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20401, "src": "9928:9:78", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_memory_ptr", "typeString": "struct ERC721Core.TokenData memory" } }, "id": 20409, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "9938:5:78", "memberName": "owner", "nodeType": "MemberAccess", "referencedDeclaration": 19829, "src": "9928:15:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "9912:31:78" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 20414, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 20412, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20407, "src": "9961:5:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "id": 20413, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20392, "src": "9970:4:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "9961:13:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "4552433732313a207472616e736665722066726f6d20696e636f7272656374206f776e6572", "id": 20415, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "9976:39:78", "typeDescriptions": { "typeIdentifier": "t_stringliteral_277f8ee9d5b4fc3c4149386f24de0fc1bbc63a8210e2197bfd1c0376a2ac5f48", "typeString": "literal_string \"ERC721: transfer from incorrect owner\"" }, "value": "ERC721: transfer from incorrect owner" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_277f8ee9d5b4fc3c4149386f24de0fc1bbc63a8210e2197bfd1c0376a2ac5f48", "typeString": "literal_string \"ERC721: transfer from incorrect owner\"" } ], "id": 20411, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "9953:7:78", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 20416, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "9953:63:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20417, "nodeType": "ExpressionStatement", "src": "9953:63:78" }, { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 20424, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 20419, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20394, "src": "10034:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "arguments": [ { "hexValue": "30", "id": 20422, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "10048:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 20421, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "10040:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 20420, "name": "address", "nodeType": "ElementaryTypeName", "src": "10040:7:78", "typeDescriptions": {} } }, "id": 20423, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "10040:10:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "10034:16:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "4552433732313a207472616e7366657220746f20746865207a65726f2061646472657373", "id": 20425, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "10052:38:78", "typeDescriptions": { "typeIdentifier": "t_stringliteral_455fea98ea03c32d7dd1a6f1426917d80529bf47b3ccbde74e7206e889e709f4", "typeString": "literal_string \"ERC721: transfer to the zero address\"" }, "value": "ERC721: transfer to the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_455fea98ea03c32d7dd1a6f1426917d80529bf47b3ccbde74e7206e889e709f4", "typeString": "literal_string \"ERC721: transfer to the zero address\"" } ], "id": 20418, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "10026:7:78", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 20426, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "10026:65:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20427, "nodeType": "ExpressionStatement", "src": "10026:65:78" }, { "assignments": [ 20429 ], "declarations": [ { "constant": false, "id": 20429, "mutability": "mutable", "name": "data", "nameLocation": "10109:4:78", "nodeType": "VariableDeclaration", "scope": 20481, "src": "10102:11:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" }, "typeName": { "id": 20428, "name": "uint96", "nodeType": "ElementaryTypeName", "src": "10102:6:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } }, "visibility": "internal" } ], "id": 20432, "initialValue": { "expression": { "id": 20430, "name": "tokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20401, "src": "10116:9:78", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_memory_ptr", "typeString": "struct ERC721Core.TokenData memory" } }, "id": 20431, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "10126:4:78", "memberName": "data", "nodeType": "MemberAccess", "referencedDeclaration": 19831, "src": "10116:14:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } }, "nodeType": "VariableDeclarationStatement", "src": "10102:28:78" }, { "expression": { "arguments": [ { "id": 20434, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20392, "src": "10162:4:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20435, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20394, "src": "10168:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20436, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20396, "src": "10172:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 20437, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20429, "src": "10181:4:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint96", "typeString": "uint96" } ], "id": 20433, "name": "_beforeTokenTransfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20627, "src": "10141:20:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$_t_uint96_$returns$__$", "typeString": "function (address,address,uint256,uint96)" } }, "id": 20438, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "10141:45:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20439, "nodeType": "ExpressionStatement", "src": "10141:45:78" }, { "expression": { "arguments": [ { "arguments": [ { "hexValue": "30", "id": 20443, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "10265:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 20442, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "10257:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 20441, "name": "address", "nodeType": "ElementaryTypeName", "src": "10257:7:78", "typeDescriptions": {} } }, "id": 20444, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "10257:10:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20445, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20396, "src": "10269:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 20440, "name": "_approve", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20506, "src": "10248:8:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,uint256)" } }, "id": 20446, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "10248:29:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20447, "nodeType": "ExpressionStatement", "src": "10248:29:78" }, { "id": 20460, "nodeType": "UncheckedBlock", "src": "10288:496:78", "statements": [ { "expression": { "id": 20452, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 20448, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19841, "src": "10721:9:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 20450, "indexExpression": { "id": 20449, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20392, "src": "10731:4:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "10721:15:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "-=", "rightHandSide": { "hexValue": "31", "id": 20451, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "10740:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "10721:20:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 20453, "nodeType": "ExpressionStatement", "src": "10721:20:78" }, { "expression": { "id": 20458, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 20454, "name": "_balances", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19841, "src": "10755:9:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 20456, "indexExpression": { "id": 20455, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20394, "src": "10765:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "10755:13:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "+=", "rightHandSide": { "hexValue": "31", "id": 20457, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "10772:1:78", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "10755:18:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 20459, "nodeType": "ExpressionStatement", "src": "10755:18:78" } ] }, { "expression": { "id": 20466, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "expression": { "baseExpression": { "id": 20461, "name": "_tokenData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19837, "src": "10793:10:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_struct$_TokenData_$19832_storage_$", "typeString": "mapping(uint256 => struct ERC721Core.TokenData storage ref)" } }, "id": 20463, "indexExpression": { "id": 20462, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20396, "src": "10804:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "10793:19:78", "typeDescriptions": { "typeIdentifier": "t_struct$_TokenData_$19832_storage", "typeString": "struct ERC721Core.TokenData storage ref" } }, "id": 20464, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberLocation": "10813:5:78", "memberName": "owner", "nodeType": "MemberAccess", "referencedDeclaration": 19829, "src": "10793:25:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 20465, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20394, "src": "10821:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "10793:30:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 20467, "nodeType": "ExpressionStatement", "src": "10793:30:78" }, { "eventCall": { "arguments": [ { "id": 20469, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20392, "src": "10848:4:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20470, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20394, "src": "10854:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20471, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20396, "src": "10858:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 20468, "name": "Transfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1404, "src": "10839:8:78", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 20472, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "10839:27:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20473, "nodeType": "EmitStatement", "src": "10834:32:78" }, { "expression": { "arguments": [ { "id": 20475, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20392, "src": "10897:4:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20476, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20394, "src": "10903:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20477, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20396, "src": "10907:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "id": 20478, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20429, "src": "10916:4:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_uint96", "typeString": "uint96" } ], "id": 20474, "name": "_afterTokenTransfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20640, "src": "10877:19:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$_t_uint96_$returns$__$", "typeString": "function (address,address,uint256,uint96)" } }, "id": 20479, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "10877:44:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20480, "nodeType": "ExpressionStatement", "src": "10877:44:78" } ] }, "documentation": { "id": 20390, "nodeType": "StructuredDocumentation", "src": "9417:313:78", "text": " @dev Transfers `tokenId` from `from` to `to`.\n As opposed to {transferFrom}, this imposes no restrictions on msg.sender.\n Requirements:\n - `to` cannot be the zero address.\n - `tokenId` token must be owned by `from`.\n Emits a {Transfer} event." }, "id": 20482, "implemented": true, "kind": "function", "modifiers": [], "name": "_transfer", "nameLocation": "9744:9:78", "nodeType": "FunctionDefinition", "parameters": { "id": 20397, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20392, "mutability": "mutable", "name": "from", "nameLocation": "9771:4:78", "nodeType": "VariableDeclaration", "scope": 20482, "src": "9763:12:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20391, "name": "address", "nodeType": "ElementaryTypeName", "src": "9763:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20394, "mutability": "mutable", "name": "to", "nameLocation": "9793:2:78", "nodeType": "VariableDeclaration", "scope": 20482, "src": "9785:10:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20393, "name": "address", "nodeType": "ElementaryTypeName", "src": "9785:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20396, "mutability": "mutable", "name": "tokenId", "nameLocation": "9813:7:78", "nodeType": "VariableDeclaration", "scope": 20482, "src": "9805:15:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 20395, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "9805:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "9753:73:78" }, "returnParameters": { "id": 20398, "nodeType": "ParameterList", "parameters": [], "src": "9844:0:78" }, "scope": 20641, "src": "9735:1193:78", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "body": { "id": 20505, "nodeType": "Block", "src": "11104:111:78", "statements": [ { "expression": { "id": 20494, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 20490, "name": "_tokenApprovals", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19845, "src": "11114:15:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_uint256_$_t_address_$", "typeString": "mapping(uint256 => address)" } }, "id": 20492, "indexExpression": { "id": 20491, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20487, "src": "11130:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "11114:24:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 20493, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20485, "src": "11141:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "11114:29:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 20495, "nodeType": "ExpressionStatement", "src": "11114:29:78" }, { "eventCall": { "arguments": [ { "arguments": [ { "id": 20499, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20487, "src": "11186:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "id": 20497, "name": "ERC721Core", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20641, "src": "11167:10:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ERC721Core_$20641_$", "typeString": "type(contract ERC721Core)" } }, "id": 20498, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberLocation": "11178:7:78", "memberName": "ownerOf", "nodeType": "MemberAccess", "referencedDeclaration": 19935, "src": "11167:18:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_uint256_$returns$_t_address_$", "typeString": "function (uint256) view returns (address)" } }, "id": 20500, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "11167:27:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20501, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20485, "src": "11196:2:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20502, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20487, "src": "11200:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 20496, "name": "Approval", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1413, "src": "11158:8:78", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 20503, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "11158:50:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20504, "nodeType": "EmitStatement", "src": "11153:55:78" } ] }, "documentation": { "id": 20483, "nodeType": "StructuredDocumentation", "src": "10934:101:78", "text": " @dev Approve `to` to operate on `tokenId`\n Emits an {Approval} event." }, "id": 20506, "implemented": true, "kind": "function", "modifiers": [], "name": "_approve", "nameLocation": "11049:8:78", "nodeType": "FunctionDefinition", "parameters": { "id": 20488, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20485, "mutability": "mutable", "name": "to", "nameLocation": "11066:2:78", "nodeType": "VariableDeclaration", "scope": 20506, "src": "11058:10:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20484, "name": "address", "nodeType": "ElementaryTypeName", "src": "11058:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20487, "mutability": "mutable", "name": "tokenId", "nameLocation": "11078:7:78", "nodeType": "VariableDeclaration", "scope": 20506, "src": "11070:15:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 20486, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "11070:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "11057:29:78" }, "returnParameters": { "id": 20489, "nodeType": "ParameterList", "parameters": [], "src": "11104:0:78" }, "scope": 20641, "src": "11040:175:78", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "body": { "id": 20537, "nodeType": "Block", "src": "11474:184:78", "statements": [ { "expression": { "arguments": [ { "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 20519, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 20517, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20509, "src": "11492:5:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "id": 20518, "name": "operator", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20511, "src": "11501:8:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "11492:17:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "hexValue": "4552433732313a20617070726f766520746f2063616c6c6572", "id": 20520, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "11511:27:78", "typeDescriptions": { "typeIdentifier": "t_stringliteral_45fe4329685be5ecd250fd0e6a25aea0ea4d0e30fb6a73c118b95749e6d70d05", "typeString": "literal_string \"ERC721: approve to caller\"" }, "value": "ERC721: approve to caller" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_45fe4329685be5ecd250fd0e6a25aea0ea4d0e30fb6a73c118b95749e6d70d05", "typeString": "literal_string \"ERC721: approve to caller\"" } ], "id": 20516, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4294967278, 4294967278 ], "referencedDeclaration": 4294967278, "src": "11484:7:78", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 20521, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "11484:55:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20522, "nodeType": "ExpressionStatement", "src": "11484:55:78" }, { "expression": { "id": 20529, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "baseExpression": { "id": 20523, "name": "_operatorApprovals", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 19851, "src": "11549:18:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_bool_$_$", "typeString": "mapping(address => mapping(address => bool))" } }, "id": 20526, "indexExpression": { "id": 20524, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20509, "src": "11568:5:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "11549:25:78", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_bool_$", "typeString": "mapping(address => bool)" } }, "id": 20527, "indexExpression": { "id": 20525, "name": "operator", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20511, "src": "11575:8:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "11549:35:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 20528, "name": "approved", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20513, "src": "11587:8:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "11549:46:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 20530, "nodeType": "ExpressionStatement", "src": "11549:46:78" }, { "eventCall": { "arguments": [ { "id": 20532, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20509, "src": "11625:5:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20533, "name": "operator", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20511, "src": "11632:8:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "id": 20534, "name": "approved", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 20513, "src": "11642:8:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 20531, "name": "ApprovalForAll", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1422, "src": "11610:14:78", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$_t_bool_$returns$__$", "typeString": "function (address,address,bool)" } }, "id": 20535, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "11610:41:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 20536, "nodeType": "EmitStatement", "src": "11605:46:78" } ] }, "documentation": { "id": 20507, "nodeType": "StructuredDocumentation", "src": "11221:125:78", "text": " @dev Approve `operator` to operate on all of `owner` tokens\n Emits an {ApprovalForAll} event." }, "id": 20538, "implemented": true, "kind": "function", "modifiers": [], "name": "_setApprovalForAll", "nameLocation": "11360:18:78", "nodeType": "FunctionDefinition", "parameters": { "id": 20514, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20509, "mutability": "mutable", "name": "owner", "nameLocation": "11396:5:78", "nodeType": "VariableDeclaration", "scope": 20538, "src": "11388:13:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20508, "name": "address", "nodeType": "ElementaryTypeName", "src": "11388:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20511, "mutability": "mutable", "name": "operator", "nameLocation": "11419:8:78", "nodeType": "VariableDeclaration", "scope": 20538, "src": "11411:16:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20510, "name": "address", "nodeType": "ElementaryTypeName", "src": "11411:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20513, "mutability": "mutable", "name": "approved", "nameLocation": "11442:8:78", "nodeType": 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"documentation": { "id": 20615, "nodeType": "StructuredDocumentation", "src": "13262:671:78", "text": " @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is\n used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.\n Calling conditions:\n - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`.\n - When `from` is zero, the tokens will be minted for `to`.\n - When `to` is zero, ``from``'s tokens will be burned.\n - `from` and `to` are never both zero.\n To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]." }, "id": 20627, "implemented": true, "kind": "function", "modifiers": [], "name": "_beforeTokenTransfer", "nameLocation": "13947:20:78", "nodeType": "FunctionDefinition", "parameters": { "id": 20624, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20617, "mutability": "mutable", "name": "from", "nameLocation": "13985:4:78", "nodeType": "VariableDeclaration", "scope": 20627, "src": "13977:12:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20616, "name": "address", "nodeType": "ElementaryTypeName", "src": "13977:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20619, "mutability": "mutable", "name": "to", "nameLocation": "14007:2:78", "nodeType": "VariableDeclaration", "scope": 20627, "src": "13999:10:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20618, "name": "address", "nodeType": "ElementaryTypeName", "src": "13999:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20621, "mutability": "mutable", "name": "tokenId", "nameLocation": "14027:7:78", "nodeType": "VariableDeclaration", "scope": 20627, "src": "14019:15:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 20620, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "14019:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 20623, "mutability": "mutable", "name": "tokenData", "nameLocation": "14051:9:78", "nodeType": "VariableDeclaration", "scope": 20627, "src": "14044:16:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" }, "typeName": { "id": 20622, "name": "uint96", "nodeType": "ElementaryTypeName", "src": "14044:6:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } }, "visibility": "internal" } ], "src": "13967:99:78" }, "returnParameters": { "id": 20625, "nodeType": "ParameterList", "parameters": [], "src": "14084:0:78" }, "scope": 20641, "src": "13938:148:78", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, { "body": { "id": 20639, "nodeType": "Block", "src": "14903:2:78", "statements": [] }, "documentation": { "id": 20628, "nodeType": "StructuredDocumentation", "src": "14092:661:78", "text": " @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is\n used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.\n Calling conditions:\n - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`.\n - When `from` is zero, the tokens were minted for `to`.\n - When `to` is zero, ``from``'s tokens were burned.\n - `from` and `to` are never both zero.\n To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]." }, "id": 20640, "implemented": true, "kind": "function", "modifiers": [], "name": "_afterTokenTransfer", "nameLocation": "14767:19:78", "nodeType": "FunctionDefinition", "parameters": { "id": 20637, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 20630, "mutability": "mutable", "name": "from", "nameLocation": "14804:4:78", "nodeType": "VariableDeclaration", "scope": 20640, "src": "14796:12:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20629, "name": "address", "nodeType": "ElementaryTypeName", "src": "14796:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20632, "mutability": "mutable", "name": "to", "nameLocation": "14826:2:78", "nodeType": "VariableDeclaration", "scope": 20640, "src": "14818:10:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 20631, "name": "address", "nodeType": "ElementaryTypeName", "src": "14818:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 20634, "mutability": "mutable", "name": "tokenId", "nameLocation": "14846:7:78", "nodeType": "VariableDeclaration", "scope": 20640, "src": "14838:15:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 20633, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "14838:7:78", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 20636, "mutability": "mutable", "name": "tokenData", "nameLocation": "14870:9:78", "nodeType": "VariableDeclaration", "scope": 20640, "src": "14863:16:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" }, "typeName": { "id": 20635, "name": "uint96", "nodeType": "ElementaryTypeName", "src": "14863:6:78", "typeDescriptions": { "typeIdentifier": "t_uint96", "typeString": "uint96" } }, "visibility": "internal" } ], "src": "14786:99:78" }, "returnParameters": { "id": 20638, "nodeType": "ParameterList", "parameters": [], "src": "14903:0:78" }, "scope": 20641, "src": "14758:147:78", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" } ], "scope": 20642, "src": "541:14366:78", "usedErrors": [] } ], "src": "33:14875:78" }, "compiler": { "name": "solc", "version": "0.8.19+commit.7dd6d404.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.4.12", "updatedAt": "2023-03-22T17:07:39.851Z", "devdoc": { "details": "Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard", "events": { "Approval(address,address,uint256)": { "details": "Emitted when `owner` enables `approved` to manage the `tokenId` token." }, "ApprovalForAll(address,address,bool)": { "details": "Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets." }, "Transfer(address,address,uint256)": { "details": "Emitted when `tokenId` token is transferred from `from` to `to`." } }, "kind": "dev", "methods": { "approve(address,uint256)": { "details": "See {IERC721-approve}." }, "balanceOf(address)": { "details": "See {IERC721-balanceOf}." }, "getApproved(uint256)": { "details": "See {IERC721-getApproved}." }, "isApprovedForAll(address,address)": { "details": "See {IERC721-isApprovedForAll}." }, "name()": { "details": "See {IERC721Metadata-name}." }, "ownerOf(uint256)": { "details": "See {IERC721-ownerOf}." }, "safeTransferFrom(address,address,uint256)": { "details": "See {IERC721-safeTransferFrom}." }, "safeTransferFrom(address,address,uint256,bytes)": { "details": "See {IERC721-safeTransferFrom}." }, "setApprovalForAll(address,bool)": { "details": "See {IERC721-setApprovalForAll}." }, "supportsInterface(bytes4)": { "details": "See {IERC165-supportsInterface}." }, "symbol()": { "details": "See {IERC721Metadata-symbol}." }, "tokenURI(uint256)": { "details": "Returns the Uniform Resource Identifier (URI) for `tokenId` token." }, "transferFrom(address,address,uint256)": { "details": "See {IERC721-transferFrom}." } }, "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 } }