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  "bytecode": "0x",
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  "source": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\ninterface IERC721 {\n    // 事件\n    event Transfer(\n        address indexed from,\n        address indexed to,\n        uint256 indexed tokenId\n    );\n    event Approval(\n        address indexed owner,\n        address indexed approved,\n        uint256 indexed tokenId\n    );\n    event ApprovalForAll(\n        address indexed owner,\n        address indexed operator,\n        bool approved\n    );\n\n    // 查询\n    function balanceOf(address owner) external view returns (uint256 balance);\n\n    function ownerOf(uint256 tokenId) external view returns (address owner);\n\n    // 转账\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external;\n\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId,\n        bytes calldata data\n    ) external;\n\n    function transferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external;\n\n    // 授权\n    function approve(address to, uint256 tokenId) external;\n\n    function getApproved(uint256 tokenId)\n        external\n        view\n        returns (address operator);\n\n    function setApprovalForAll(address operator, bool _approved) external;\n\n    function isApprovedForAll(address owner, address operator)\n        external\n        view\n        returns (bool);\n}\n\ninterface IERC721Receiver {\n    function onERC721Received(\n        address operator,\n        address from,\n        uint256 tokenId,\n        bytes calldata data\n    ) external returns (bytes4);\n}\n\ninterface IERC721Metadata {\n    function name() external view returns (string memory);\n\n    function symbol() external view returns (string memory);\n\n    function tokenURI(uint256 tokenId) external view returns (string memory);\n}\n",
  "sourcePath": "/Users/luzhenqian/Work/web3/web3-examples/contract/noah-nft/contracts/IERC721.sol",
  "ast": {
    "absolutePath": "project:/contracts/IERC721.sol",
    "exportedSymbols": {
      "IERC721": [
        109
      ],
      "IERC721Metadata": [
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      ],
      "IERC721Receiver": [
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      ]
    },
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        "id": 109,
        "linearizedBaseContracts": [
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