UNPKG

@ethsub/sol

Version:
1,227 lines 63.2 kB
{ "contractName": "ERC721Pausable", "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": false, "internalType": "address", "name": "account", "type": "address" } ], "name": "Paused", "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" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "account", "type": "address" } ], "name": "Unpaused", "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": [], "name": "baseURI", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "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": [], "name": "paused", "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": "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": "index", "type": "uint256" } ], "name": "tokenByIndex", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "uint256", "name": "index", "type": "uint256" } ], "name": "tokenOfOwnerByIndex", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" } ], "name": "tokenURI", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "totalSupply", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "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" } ], "metadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"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\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"Paused\",\"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\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"Unpaused\",\"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\":[],\"name\":\"baseURI\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"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\":[],\"name\":\"paused\",\"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\":\"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\":\"index\",\"type\":\"uint256\"}],\"name\":\"tokenByIndex\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"index\",\"type\":\"uint256\"}],\"name\":\"tokenOfOwnerByIndex\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"tokenURI\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"totalSupply\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"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\":\"ERC721 token with pausable token transfers, minting and burning. Useful for scenarios such as preventing trades until the end of an evaluation period, or having an emergency switch for freezing all token transfers in the event of a large bug.\",\"kind\":\"dev\",\"methods\":{\"approve(address,uint256)\":{\"details\":\"See {IERC721-approve}.\"},\"balanceOf(address)\":{\"details\":\"See {IERC721-balanceOf}.\"},\"baseURI()\":{\"details\":\"Returns the base URI set via {_setBaseURI}. This will be automatically added as a prefix in {tokenURI} to each token's URI, or to the token ID if no specific URI is set for that token ID.\"},\"getApproved(uint256)\":{\"details\":\"See {IERC721-getApproved}.\"},\"isApprovedForAll(address,address)\":{\"details\":\"See {IERC721-isApprovedForAll}.\"},\"name()\":{\"details\":\"See {IERC721Metadata-name}.\"},\"ownerOf(uint256)\":{\"details\":\"See {IERC721-ownerOf}.\"},\"paused()\":{\"details\":\"Returns true if the contract is paused, and false otherwise.\"},\"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}. Time complexity O(1), guaranteed to always use less than 30 000 gas.\"},\"symbol()\":{\"details\":\"See {IERC721Metadata-symbol}.\"},\"tokenByIndex(uint256)\":{\"details\":\"See {IERC721Enumerable-tokenByIndex}.\"},\"tokenOfOwnerByIndex(address,uint256)\":{\"details\":\"See {IERC721Enumerable-tokenOfOwnerByIndex}.\"},\"tokenURI(uint256)\":{\"details\":\"See {IERC721Metadata-tokenURI}.\"},\"totalSupply()\":{\"details\":\"See {IERC721Enumerable-totalSupply}.\"},\"transferFrom(address,address,uint256)\":{\"details\":\"See {IERC721-transferFrom}.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/token/ERC721/ERC721Pausable.sol\":\"ERC721Pausable\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/introspection/ERC165.sol\":{\"keccak256\":\"0x24141d2f6b98d4cb77a8936eae8cbaad2e261d9062bdc08036096f4550092501\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://b710eb003944777135f027500a5a57b479fe857849f5f467c1ef9687401e3c95\",\"dweb:/ipfs/QmcELzi6KRzAs3DXwxdsoKWRJ13KSeipKQsJgD3unctdZM\"]},\"@openzeppelin/contracts/introspection/IERC165.sol\":{\"keccak256\":\"0xf70bc25d981e4ec9673a995ad2995d5d493ea188d3d8f388bba9c227ce09fb82\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://bd970f51e3a77790c2f02b5b1759827c3b897c3d98c407b3631e8af32e3dc93c\",\"dweb:/ipfs/QmPF85Amgbqjk3SNZKsPCsqCw8JfwYEPMnnhvMJUyX58je\"]},\"@openzeppelin/contracts/math/SafeMath.sol\":{\"keccak256\":\"0xcc78a17dd88fa5a2edc60c8489e2f405c0913b377216a5b26b35656b2d0dab52\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://526dc85e1f9b9b45830e202568d267d93dde7a4fcccf4ad7798dadcd92304d3c\",\"dweb:/ipfs/QmaoXMB972J3cSDLtBq3xBo4jLwqD2uzXTwujtSPqkYVhR\"]},\"@openzeppelin/contracts/token/ERC721/ERC721.sol\":{\"keccak256\":\"0x118ed7540f56b21ff92e21ebaa73584048e98d2ac04ca67571329bb8dbd9032f\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://da2918b7aff73dd51d41bfcfa548f81eb50531b8353500fdbdacf297076db070\",\"dweb:/ipfs/Qmb8ixAs1vBjZRowQNuNg6bRf2NZmgZ1JTBxmQS14PHpcL\"]},\"@openzeppelin/contracts/token/ERC721/ERC721Pausable.sol\":{\"keccak256\":\"0x1c31a4c2ad1af9e25cd8f4ea941ebd6a6a932426183ab39c160cb8e51cfc704f\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://77dd2448bbeb4a8f6f3273042d02326fa6ba191827e5b37f6f68492b17d022c9\",\"dweb:/ipfs/QmRiAmuxtRcVRhXUymziiTD3r8SGcjxKN95ZLVKd2jtWjN\"]},\"@openzeppelin/contracts/token/ERC721/IERC721.sol\":{\"keccak256\":\"0x2d99a0deb6648c34fbc66d6ac4a2d64798d7a5321b45624f6736fadc63da1962\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://2dcdce5ede1e5e650d174ec0b35be7d47b6a50f30bc895ef0d9e59fb75052e45\",\"dweb:/ipfs/QmQ2XFsDLTYqfEdw7pYzHiGtFRY11yQm4b6ynYgKqDxeB8\"]},\"@openzeppelin/contracts/token/ERC721/IERC721Enumerable.sol\":{\"keccak256\":\"0xe6bd1b1218338b6f9fe17776f48623b4ac3d8a40405f74a44bc23c00abe2ca13\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://0c354c3f6e9c487759aa7869be4fba68e0b2efc777b514d289c4cbd3ff8f7e1a\",\"dweb:/ipfs/QmdF9LcSYVmiUCL7JxLEYmSLrjga6zJsujfi6sgEJD4M1z\"]},\"@openzeppelin/contracts/token/ERC721/IERC721Metadata.sol\":{\"keccak256\":\"0xccb917776f826ac6b68bd5a15a5f711e3967848a52ba11e6104d9a4f593314a7\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://430255ad2229ced6d880e61a67bdc6e48dbbaed8354a7c1fe918cd8b8714a886\",\"dweb:/ipfs/QmTHY56odzqEpEC6v6tafaWMYY7vmULw25q5XHJLCCAeox\"]},\"@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol\":{\"keccak256\":\"0x52146049d6709c870e8ddcd988b5155cb6c5d640cfcd8978aee52bc1ba2ec4eb\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://ada84513617b7c1b2f890b44503735abaec73a1acd030112a17aac7e6c66a4a1\",\"dweb:/ipfs/QmaiFwdio67iJrfjAdkMac24eJ5sS1qD7CZW6PhUU6KjiK\"]},\"@openzeppelin/contracts/utils/Address.sol\":{\"keccak256\":\"0x28911e614500ae7c607a432a709d35da25f3bc5ddc8bd12b278b66358070c0ea\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://256c8c8af5eb072bc473226ab2b2187149b8fc04f5f4a4820db22527f5ce8e3c\",\"dweb:/ipfs/QmRvi5BhnL7Rxf85KrJhwM6RRhukm4tzoctRdgQEheNyiN\"]},\"@openzeppelin/contracts/utils/Context.sol\":{\"keccak256\":\"0x8d3cb350f04ff49cfb10aef08d87f19dcbaecc8027b0bed12f3275cd12f38cf0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://ded47ec7c96750f9bd04bbbc84f659992d4ba901cb7b532a52cd468272cf378f\",\"dweb:/ipfs/QmfBrGtQP7rZEqEg6Wz6jh2N2Kukpj1z5v3CGWmAqrzm96\"]},\"@openzeppelin/contracts/utils/EnumerableMap.sol\":{\"keccak256\":\"0x4b087f06b6670a131a5a14e53b1d2a5ef19c034cc5ec42eeebcf9554325744ad\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://f6a6af5d848334e40db419773f6360601e311ffc21c2e274f730b8c542da99fd\",\"dweb:/ipfs/QmfA24cxQ2g41ZWUuDF295dxDJ4xF1bSDYtC3EaLd7CzW8\"]},\"@openzeppelin/contracts/utils/EnumerableSet.sol\":{\"keccak256\":\"0x1562cd9922fbf739edfb979f506809e2743789cbde3177515542161c3d04b164\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://4580d57781513d98870d9738c7d39094336e0a70cdb90d68dad549c6ced466ec\",\"dweb:/ipfs/Qmf9YZzzRFuvMnav9dgmeRUpdYMMECiZX8w25sHWVbA18V\"]},\"@openzeppelin/contracts/utils/Pausable.sol\":{\"keccak256\":\"0x212fb1b1d4beaf74354dad9bc329f44ee3c5375ef1c32acff76b4ecefc10f1d8\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://d21c68cb321d1c8d0fa39fd9ecb6bbe3b2f26623b0f38af280a010c916c85f23\",\"dweb:/ipfs/Qmf2P51HRC4ekDHLYfbXu5SXR33gXrWtq6oKSmfyWqVRuC\"]},\"@openzeppelin/contracts/utils/Strings.sol\":{\"keccak256\":\"0xa1e12f97981f1d0964b1c048978606a57127c56c438bab61cdfe269cad859a74\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://5eefac1760f524971e14aa3f3d79515a3d54fd28c1d3bdca0b36127da349b830\",\"dweb:/ipfs/QmUMzkyH3ytJX5gVPizQruNLhkKmuJb3nFqBDad4LPdg5U\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "immutableReferences": {}, "sourceMap": "", "deployedSourceMap": "", "source": "// SPDX-License-Identifier: MIT\n\npragma solidity >=0.6.0 <0.8.0;\n\nimport \"./ERC721.sol\";\nimport \"../../utils/Pausable.sol\";\n\n/**\n * @dev ERC721 token with pausable token transfers, minting and burning.\n *\n * Useful for scenarios such as preventing trades until the end of an evaluation\n * period, or having an emergency switch for freezing all token transfers in the\n * event of a large bug.\n */\nabstract contract ERC721Pausable is ERC721, Pausable {\n /**\n * @dev See {ERC721-_beforeTokenTransfer}.\n *\n * Requirements:\n *\n * - the contract must not be paused.\n */\n function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual override {\n super._beforeTokenTransfer(from, to, tokenId);\n\n require(!paused(), \"ERC721Pausable: token transfer while paused\");\n }\n}\n", "sourcePath": "@openzeppelin/contracts/token/ERC721/ERC721Pausable.sol", "ast": { "absolutePath": "@openzeppelin/contracts/token/ERC721/ERC721Pausable.sol", "exportedSymbols": { "ERC721Pausable": [ 4330 ] }, "id": 4331, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 4295, "literals": [ "solidity", ">=", "0.6", ".0", "<", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "33:31:22" }, { "absolutePath": "@openzeppelin/contracts/token/ERC721/ERC721.sol", "file": "./ERC721.sol", "id": 4296, "nodeType": "ImportDirective", "scope": 4331, "sourceUnit": 4264, "src": "66:22:22", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/utils/Pausable.sol", "file": "../../utils/Pausable.sol", "id": 4297, "nodeType": "ImportDirective", "scope": 4331, "sourceUnit": 6036, "src": "89:34:22", "symbolAliases": [], "unitAlias": "" }, { "abstract": true, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 4299, "name": "ERC721", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 4263, "src": "432:6:22", "typeDescriptions": { "typeIdentifier": "t_contract$_ERC721_$4263", "typeString": "contract ERC721" } }, "id": 4300, "nodeType": "InheritanceSpecifier", "src": "432:6:22" }, { "arguments": null, "baseName": { "contractScope": null, "id": 4301, "name": "Pausable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6035, "src": "440:8:22", "typeDescriptions": { "typeIdentifier": "t_contract$_Pausable_$6035", "typeString": "contract Pausable" } }, "id": 4302, "nodeType": "InheritanceSpecifier", "src": "440:8:22" } ], "contractDependencies": [ 342, 582, 4263, 4446, 4477, 4504, 4841, 6035 ], "contractKind": "contract", "documentation": { "id": 4298, "nodeType": "StructuredDocumentation", "src": "125:270:22", "text": " @dev ERC721 token with pausable token transfers, minting and burning.\n Useful for scenarios such as preventing trades until the end of an evaluation\n period, or having an emergency switch for freezing all token transfers in the\n event of a large bug." }, "fullyImplemented": false, "id": 4330, "linearizedBaseContracts": [ 4330, 6035, 4263, 4477, 4504, 4446, 342, 582, 4841 ], "name": "ERC721Pausable", "nodeType": "ContractDefinition", "nodes": [ { "baseFunctions": [ 4262 ], "body": { "id": 4328, "nodeType": "Block", "src": "694:138:22", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4316, "name": "from", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4305, "src": "731:4:22", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 4317, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4307, "src": "737:2:22", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 4318, "name": "tokenId", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4309, "src": "741:7:22", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 4313, "name": "super", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -25, "src": "704:5:22", "typeDescriptions": { "typeIdentifier": "t_super$_ERC721Pausable_$4330", "typeString": "contract super ERC721Pausable" } }, "id": 4315, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "_beforeTokenTransfer", "nodeType": "MemberAccess", "referencedDeclaration": 4262, "src": "704:26:22", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256)" } }, "id": 4319, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "704:45:22", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4320, "nodeType": "ExpressionStatement", "src": "704:45:22" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4324, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "768:9:22", "subExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 4322, "name": "paused", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5979, "src": "769:6:22", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_bool_$", "typeString": "function () view returns (bool)" } }, "id": 4323, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "769:8:22", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4552433732315061757361626c653a20746f6b656e207472616e73666572207768696c6520706175736564", "id": 4325, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "779:45:22", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_08db93f8e1c3024ee7c131cc7a109eb4e5cb2ff5f9a23b64fb5b344cedec8968", "typeString": "literal_string \"ERC721Pausable: token transfer while paused\"" }, "value": "ERC721Pausable: token transfer while paused" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_08db93f8e1c3024ee7c131cc7a109eb4e5cb2ff5f9a23b64fb5b344cedec8968", "typeString": "literal_string \"ERC721Pausable: token transfer while paused\"" } ], "id": 4321, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "760:7:22", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 4326, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "760:65:22", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4327, "nodeType": "ExpressionStatement", "src": "760:65:22" } ] }, "documentation": { "id": 4303, "nodeType": "StructuredDocumentation", "src": "455:135:22", "text": " @dev See {ERC721-_beforeTokenTransfer}.\n Requirements:\n - the contract must not be paused." }, "id": 4329, "implemented": true, "kind": "function", "modifiers": [], "name": "_beforeTokenTransfer", "nodeType": "FunctionDefinition", "overrides": { "id": 4311, "nodeType": "OverrideSpecifier", "overrides": [], "src": "685:8:22" }, "parameters": { "id": 4310, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4305, "mutability": "mutable", "name": "from", "nodeType": "VariableDeclaration", "overrides": null, "scope": 4329, "src": "625:12:22", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4304, "name": "address", "nodeType": "ElementaryTypeName", "src": "625:7:22", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 4307, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "overrides": null, "scope": 4329, "src": "639:10:22", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4306, "name": "address", "nodeType": "ElementaryTypeName", "src": "639:7:22", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 4309, "mutability": "mutable", "name": "tokenId", "nodeType": "VariableDeclaration", "overrides": null, "scope": 4329, "src": "651:15:22", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4308, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "651:7:22", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "624:43:22" }, "returnParameters": { "id": 4312, "nodeType": "ParameterList", "parameters": [], "src": "694:0:22" }, "scope": 4330, "src": "595:237:22", "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" } ], "scope": 4331, "src": "396:438:22" } ], "src": "33:802:22" }, "legacyAST": { "attributes": { "absolutePath": "@openzeppelin/contracts/token/ERC721/ERC721Pausable.sol", "exportedSymbols": { "ERC721Pausable": [ 4330 ] }, "license": "MIT" }, "children": [ { "attributes": { "literals": [ "solidity", ">=", "0.6", ".0", "<", "0.8", ".0" ] }, "id": 4295, "name": "PragmaDirective", "src": "33:31:22" }, { "attributes": { "SourceUnit": 4264, "absolutePath": "@openzeppelin/contracts/token/ERC721/ERC721.sol", "file": "./ERC721.sol", "scope": 4331, "symbolAliases": [ null ], "unitAlias": "" }, "id": 4296, "name": "ImportDirective", "src": "66:22:22" }, { "attributes": { "SourceUnit": 6036, "absolutePath": "@openzeppelin/contracts/utils/Pausable.sol", "file": "../../utils/Pausable.sol", "scope": 4331, "symbolAliases": [ null ], "unitAlias": "" }, "id": 4297, "name": "ImportDirective", "src": "89:34:22" }, { "attributes": { "abstract": true, "contractDependencies": [ 342, 582, 4263, 4446, 4477, 4504, 4841, 6035 ], "contractKind": "contract", "fullyImplemented": false, "linearizedBaseContracts": [ 4330, 6035, 4263, 4477, 4504, 4446, 342, 582, 4841 ], "name": "ERC721Pausable", "scope": 4331 }, "children": [ { "attributes": { "text": " @dev ERC721 token with pausable token transfers, minting and burning.\n Useful for scenarios such as preventing trades until the end of an evaluation\n period, or having an emergency switch for freezing all token transfers in the\n event of a large bug." }, "id": 4298, "name": "StructuredDocumentation", "src": "125:270:22" }, { "attributes": { "arguments": null }, "children": [ { "attributes": { "contractScope": null, "name": "ERC721", "referencedDeclaration": 4263, "type": "contract ERC721" }, "id": 4299, "name": "UserDefinedTypeName", "src": "432:6:22" } ], "id": 4300, "name": "InheritanceSpecifier", "src": "432:6:22" }, { "attributes": { "arguments": null }, "children": [ { "attributes": { "contractScope": null, "name": "Pausable", "referencedDeclaration": 6035, "type": "contract Pausable" }, "id": 4301, "name": "UserDefinedTypeName", "src": "440:8:22" } ], "id": 4302, "name": "InheritanceSpecifier", "src": "440:8:22" }, { "attributes": { "baseFunctions": [ 4262 ], "implemented": true, "isConstructor": false, "kind": "function", "modifiers": [ null ], "name": "_beforeTokenTransfer", "scope": 4330, "stateMutability": "nonpayable", "virtual": true, "visibility": "internal" }, "children": [ { "attributes": { "text": " @dev See {ERC721-_beforeTokenTransfer}.\n Requirements:\n - the contract must not be paused." }, "id": 4303, "name": "StructuredDocumentation", "src": "455:135:22" }, { "attributes": { "overrides": [ null ] }, "id": 4311, "name": "OverrideSpecifier", "src": "685:8:22" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "from", "overrides": null, "scope": 4329, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 4304, "name": "ElementaryTypeName", "src": "625:7:22" } ], "id": 4305, "name": "VariableDeclaration", "src": "625:12:22" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "to", "overrides": null, "scope": 4329, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 4306, "name": "ElementaryTypeName", "src": "639:7:22" } ], "id": 4307, "name": "VariableDeclaration", "src": "639:10:22" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "tokenId", "overrides": null, "scope": 4329, "stateVariable": false, "storageLocation": "default", "type": "uint256", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint256", "type": "uint256" }, "id": 4308, "name": "ElementaryTypeName", "src": "651:7:22" } ], "id": 4309, "name": "VariableDeclaration", "src": "651:15:22" } ], "id": 4310, "name": "ParameterList", "src": "624:43:22" }, { "attributes": { "parameters": [ null ] }, "children": [], "id": 4312, "name": "ParameterList", "src": "694:0:22" }, { "children": [ { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "tuple()", "type_conversion": false }, "chil