SolnSquareVerifier.json

{
  "contractName": "SolnSquareVerifier",
  "abi": [
    {
      "constant": true,
      "inputs": [
        {
          "name": "interfaceId",
          "type": "bytes4"
        }
      ],
      "name": "supportsInterface",
      "outputs": [
        {
          "name": "",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [],
      "name": "name",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "tokenId",
          "type": "uint256"
        }
      ],
      "name": "getApproved",
      "outputs": [
        {
          "name": "",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "to",
          "type": "address"
        },
        {
          "name": "tokenId",
          "type": "uint256"
        }
      ],
      "name": "approve",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "isPaused",
          "type": "bool"
        }
      ],
      "name": "setPaused",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [],
      "name": "totalSupply",
      "outputs": [
        {
          "name": "",
          "type": "uint256"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "from",
          "type": "address"
        },
        {
          "name": "to",
          "type": "address"
        },
        {
          "name": "tokenId",
          "type": "uint256"
        }
      ],
      "name": "transferFrom",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "_myid",
          "type": "bytes32"
        },
        {
          "name": "_result",
          "type": "string"
        }
      ],
      "name": "__callback",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "owner",
          "type": "address"
        },
        {
          "name": "index",
          "type": "uint256"
        }
      ],
      "name": "tokenOfOwnerByIndex",
      "outputs": [
        {
          "name": "",
          "type": "uint256"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "_myid",
          "type": "bytes32"
        },
        {
          "name": "_result",
          "type": "string"
        },
        {
          "name": "_proof",
          "type": "bytes"
        }
      ],
      "name": "__callback",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "from",
          "type": "address"
        },
        {
          "name": "to",
          "type": "address"
        },
        {
          "name": "tokenId",
          "type": "uint256"
        }
      ],
      "name": "safeTransferFrom",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "index",
          "type": "uint256"
        }
      ],
      "name": "tokenByIndex",
      "outputs": [
        {
          "name": "",
          "type": "uint256"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "tokenId",
          "type": "uint256"
        }
      ],
      "name": "ownerOf",
      "outputs": [
        {
          "name": "",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "owner",
          "type": "address"
        }
      ],
      "name": "balanceOf",
      "outputs": [
        {
          "name": "",
          "type": "uint256"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [],
      "name": "symbol",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "to",
          "type": "address"
        },
        {
          "name": "approved",
          "type": "bool"
        }
      ],
      "name": "setApprovalForAll",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "from",
          "type": "address"
        },
        {
          "name": "to",
          "type": "address"
        },
        {
          "name": "tokenId",
          "type": "uint256"
        },
        {
          "name": "_data",
          "type": "bytes"
        }
      ],
      "name": "safeTransferFrom",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "tokenId",
          "type": "uint256"
        }
      ],
      "name": "tokenURI",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [],
      "name": "contractOwner",
      "outputs": [
        {
          "name": "",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [],
      "name": "baseTokenURI",
      "outputs": [
        {
          "name": "",
          "type": "string"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [
        {
          "name": "owner",
          "type": "address"
        },
        {
          "name": "operator",
          "type": "address"
        }
      ],
      "name": "isApprovedForAll",
      "outputs": [
        {
          "name": "",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "newOwner",
          "type": "address"
        }
      ],
      "name": "transferOwnership",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "name": "verifierAddress",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "constructor"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "to",
          "type": "address"
        },
        {
          "indexed": true,
          "name": "TokenId",
          "type": "uint256"
        }
      ],
      "name": "SolutionAdded",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "from",
          "type": "address"
        },
        {
          "indexed": true,
          "name": "to",
          "type": "address"
        },
        {
          "indexed": true,
          "name": "tokenId",
          "type": "uint256"
        }
      ],
      "name": "Transfer",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "owner",
          "type": "address"
        },
        {
          "indexed": true,
          "name": "approved",
          "type": "address"
        },
        {
          "indexed": true,
          "name": "tokenId",
          "type": "uint256"
        }
      ],
      "name": "Approval",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "owner",
          "type": "address"
        },
        {
          "indexed": true,
          "name": "operator",
          "type": "address"
        },
        {
          "indexed": false,
          "name": "approved",
          "type": "bool"
        }
      ],
      "name": "ApprovalForAll",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [],
      "name": "Paused",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [],
      "name": "Unpaused",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "to",
          "type": "address"
        }
      ],
      "name": "ownerityTransfered",
      "type": "event"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "a",
          "type": "uint256[2]"
        },
        {
          "name": "a_p",
          "type": "uint256[2]"
        },
        {
          "name": "b",
          "type": "uint256[2][2]"
        },
        {
          "name": "b_p",
          "type": "uint256[2]"
        },
        {
          "name": "c",
          "type": "uint256[2]"
        },
        {
          "name": "c_p",
          "type": "uint256[2]"
        },
        {
          "name": "h",
          "type": "uint256[2]"
        },
        {
          "name": "k",
          "type": "uint256[2]"
        },
        {
          "name": "input",
          "type": "uint256[2]"
        },
        {
          "name": "account",
          "type": "address"
        },
        {
          "name": "tokenId",
          "type": "uint256"
        }
      ],
      "name": "submitSolution",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "to",
          "type": "address"
        },
        {
          "name": "tokenId",
          "type": "uint256"
        }
      ],
      "name": "mint",
      "outputs": [
        {
          "name": "",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "tokenId",
          "type": "uint256"
        }
      ],
      "name": "mintBySolOwner",
      "outputs": [
        {
          "name": "",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    }
  ],
  "metadata": "{\"compiler\":{\"version\":\"0.5.2+commit.1df8f40c\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"constant\":true,\"inputs\":[{\"name\":\"interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"getApproved\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"to\",\"type\":\"address\"},{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"isPaused\",\"type\":\"bool\"}],\"name\":\"setPaused\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"totalSupply\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"a\",\"type\":\"uint256[2]\"},{\"name\":\"a_p\",\"type\":\"uint256[2]\"},{\"name\":\"b\",\"type\":\"uint256[2][2]\"},{\"name\":\"b_p\",\"type\":\"uint256[2]\"},{\"name\":\"c\",\"type\":\"uint256[2]\"},{\"name\":\"c_p\",\"type\":\"uint256[2]\"},{\"name\":\"h\",\"type\":\"uint256[2]\"},{\"name\":\"k\",\"type\":\"uint256[2]\"},{\"name\":\"input\",\"type\":\"uint256[2]\"},{\"name\":\"account\",\"type\":\"address\"},{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"submitSolution\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"from\",\"type\":\"address\"},{\"name\":\"to\",\"type\":\"address\"},{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_myid\",\"type\":\"bytes32\"},{\"name\":\"_result\",\"type\":\"string\"}],\"name\":\"__callback\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"owner\",\"type\":\"address\"},{\"name\":\"index\",\"type\":\"uint256\"}],\"name\":\"tokenOfOwnerByIndex\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"_myid\",\"type\":\"bytes32\"},{\"name\":\"_result\",\"type\":\"string\"},{\"name\":\"_proof\",\"type\":\"bytes\"}],\"name\":\"__callback\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"to\",\"type\":\"address\"},{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"mint\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"from\",\"type\":\"address\"},{\"name\":\"to\",\"type\":\"address\"},{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"index\",\"type\":\"uint256\"}],\"name\":\"tokenByIndex\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"ownerOf\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"to\",\"type\":\"address\"},{\"name\":\"approved\",\"type\":\"bool\"}],\"name\":\"setApprovalForAll\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"mintBySolOwner\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"from\",\"type\":\"address\"},{\"name\":\"to\",\"type\":\"address\"},{\"name\":\"tokenId\",\"type\":\"uint256\"},{\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"tokenURI\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"contractOwner\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"baseTokenURI\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"owner\",\"type\":\"address\"},{\"name\":\"operator\",\"type\":\"address\"}],\"name\":\"isApprovedForAll\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"name\":\"verifierAddress\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"to\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"TokenId\",\"type\":\"uint256\"}],\"name\":\"SolutionAdded\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"to\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"approved\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"operator\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"approved\",\"type\":\"bool\"}],\"name\":\"ApprovalForAll\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[],\"name\":\"Paused\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[],\"name\":\"Unpaused\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"to\",\"type\":\"address\"}],\"name\":\"ownerityTransfered\",\"type\":\"event\"}],\"devdoc\":{\"methods\":{\"isApprovedForAll(address,address)\":{\"details\":\"Tells whether an operator is approved by a given owner\",\"params\":{\"operator\":\"operator address which you want to query the approval of\",\"owner\":\"owner address which you want to query the approval of\"},\"return\":\"bool whether the given operator is approved by the given owner\"},\"setApprovalForAll(address,bool)\":{\"details\":\"Sets or unsets the approval of a given operator An operator is allowed to transfer all tokens of the sender on their behalf\",\"params\":{\"approved\":\"representing the status of the approval to be set\",\"to\":\"operator address to set the approval\"}},\"supportsInterface(bytes4)\":{\"details\":\"implement supportsInterface(bytes4) using a lookup table\"},\"tokenByIndex(uint256)\":{\"details\":\"Gets the token ID at a given index of all the tokens in this contract Reverts if the index is greater or equal to the total number of tokens\",\"params\":{\"index\":\"uint256 representing the index to be accessed of the tokens list\"},\"return\":\"uint256 token ID at the given index of the tokens list\"},\"tokenOfOwnerByIndex(address,uint256)\":{\"details\":\"Gets the token ID at a given index of the tokens list of the requested owner\",\"params\":{\"index\":\"uint256 representing the index to be accessed of the requested tokens list\",\"owner\":\"address owning the tokens list to be accessed\"},\"return\":\"uint256 token ID at the given index of the tokens list owned by the requested address\"},\"totalSupply()\":{\"details\":\"Gets the total amount of tokens stored by the contract\",\"return\":\"uint256 representing the total amount of 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  "source": "pragma solidity >=0.4.21 <0.6.0;\n\n// TODO define a contract call to the zokrates generated solidity contract <Verifier> or <renamedVerifier>\nimport \"./ERC721Mintable.sol\";\nimport \"./SquareVerifier.sol\";\n\n\n// TODO define another contract named SolnSquareVerifier that inherits from your ERC721Mintable class\ncontract SolnSquareVerifier is AqarERC721MintableToken {\n\n\n\n// TODO define a solutions struct that can hold an index & an address\n    struct Solution {\n        uint256 tokenId;\n        address owner;\n        uint256[2] input;\n        bool isMinted;\n    }\n\n    Verifier verifier;\n\n// TODO define an array of the above struct\n    mapping(bytes32 => Solution) solutions;\n\n// TODO define a mapping to store unique solutions submitted\n    mapping(uint256 => bytes32) private solutionsKeys;\n\n\n// TODO Create an event to emit when a solution is added\n    event SolutionAdded(address indexed to, uint256 indexed TokenId);\n\n    constructor(address verifierAddress) public {\n        verifier = Verifier(verifierAddress);\n    }\n\n// TODO Create a function to add the solutions to the array and emit the event\n    function submitSolution\n    (\n        uint[2] memory a,\n        uint[2] memory a_p,\n        uint[2][2] memory b,\n        uint[2] memory b_p,\n        uint[2] memory c,\n        uint[2] memory c_p,\n        uint[2] memory h,\n        uint[2] memory k,\n        uint[2] memory input,\n        address account,\n        uint256 tokenId\n    ) \n        public \n    {\n        require(tokenId != 0, \"tokenId should be more than 0\");\n        require(solutionsKeys[tokenId] == bytes32(0), \"tokenId: has solution\");\n        require(verifier.verifyTx(a, a_p, b, b_p, c, c_p, h, k, input), \"incorrect proof input\");\n\n        bytes32 solutionKey = keccak256(abi.encodePacked(a, a_p, b, b_p, c, c_p, h, k, input));\n        require(solutions[solutionKey].tokenId == 0, \"solution already used\");\n\n        solutionsKeys[tokenId] = solutionKey;\n        solutions[solutionKey].owner = account;\n        solutions[solutionKey].tokenId = tokenId;\n        solutions[solutionKey].input = input;\n\n        emit SolutionAdded(account, tokenId);\n    }\n\n\n// TODO Create a function to mint new NFT only after the solution has been verified\n//  - make sure the solution is unique (has not been used before)\n//  - make sure you handle metadata as well as tokenSuplly\n    function mint(address to, uint256 tokenId) public returns(bool) {\n        bytes32 solutionKey = solutionsKeys[tokenId];\n        require(solutionKey != bytes32(0), \"no solution found for tokenId\");\n        require(!solutions[solutionKey].isMinted, \"tokenId: allready mined\");\n\n        address orginalOwner = solutions[solutionsKeys[tokenId]].owner;\n        require(orginalOwner == to, \"orginal owner of token solution is not address given\");\n\n        solutions[solutionKey].isMinted = true;\n        return super.mint(to, tokenId);\n    }\n\n    function mintBySolOwner(uint256 tokenId) public returns(bool) {\n        bytes32 solutionKey = solutionsKeys[tokenId];\n        require(solutionKey != bytes32(0), \"no solution found for tokenId\");\n        require(!solutions[solutionKey].isMinted, \"tokenId: allready mined\");\n\n        address orginalOwner = solutions[solutionsKeys[tokenId]].owner;\n        require(orginalOwner == msg.sender, \"orginal owner of token solution is not caller address\");\n\n        solutions[solutionKey].isMinted = true;\n        super._mint(orginalOwner, tokenId);\n        super._setTokenURI(tokenId);\n        return true;\n    }\n}\n",
  "sourcePath": "/Users/khalid/Desktop/AqarNFToken/eth-project/contracts/SolnSquareVerifier.sol",
  "ast": {
    "absolutePath": "/Users/khalid/Desktop/AqarNFToken/eth-project/contracts/SolnSquareVerifier.sol",
    "exportedSymbols": {
      "SolnSquareVerifier": [
        7769
      ]
    },
    "id": 7770,
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 7452,
        "literals": [
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          "0.4",
          ".21",
          "<",
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          ".0"
        ],
        "nodeType": "PragmaDirective",
        "src": "0:32:3"
      },
      {
        "absolutePath": "/Users/khalid/Desktop/AqarNFToken/eth-project/contracts/ERC721Mintable.sol",
        "file": "./ERC721Mintable.sol",
        "id": 7453,
        "nodeType": "ImportDirective",
        "scope": 7770,
        "sourceUnit": 1126,
        "src": "141:30:3",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "absolutePath": "/Users/khalid/Desktop/AqarNFToken/eth-project/contracts/SquareVerifier.sol",
        "file": "./SquareVerifier.sol",
        "id": 7454,
        "nodeType": "ImportDirective",
        "scope": 7770,
        "sourceUnit": 10551,
        "src": "172:30:3",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "baseContracts": [
          {
            "arguments": null,
            "baseName": {
              "contractScope": null,
              "id": 7455,
              "name": "AqarERC721MintableToken",
              "nodeType": "UserDefinedTypeName",
              "referencedDeclaration": 1125,
              "src": "338:23:3",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_AqarERC721MintableToken_$1125",
                "typeString": "contract AqarERC721MintableToken"
              }
            },
            "id": 7456,
            "nodeType": "InheritanceSpecifier",
            "src": "338:23:3"
          }
        ],
        "contractDependencies": [
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          71,
          180,
          134,
          1125,
          977,
          1086,
          7450
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        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 7769,
        "linearizedBaseContracts": [
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          1125,
          1086,
          7450,
          977,
          679,
          180,
          134,
          71
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        "name": "SolnSquareVerifier",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "canonicalName": "SolnSquareVerifier.Solution",
            "id": 7467,
            "members": [
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                "constant": false,
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                "nodeType": "VariableDeclaration",
                "scope": 7467,
                "src": "467:15:3",
                "stateVariable": false,
                "storageLocation": "default",
                "typeDescriptions": {
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                "value": null,
                "visibility": "internal"
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              {
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                "name": "owner",
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                "src": "492:13:3",
                "stateVariable": false,
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                "value": null,
                "visibility": "internal"
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                "src": "515:16:3",
                "stateVariable": false,
                "storageLocation": "default",
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  "compiler": {
    "name": "solc",
    "version": "0.5.2+commit.1df8f40c.Emscripten.clang"
  },
  "networks": {
    "4": {
      "events": {},
      "links": {},
      "address": "0xD2813cb5680111A8Eb5650e7d468Be16C4021a84",
      "transactionHash": "0xf27c70ea548266c9ef3b8abfbf006f4041bea094977306d84865732c0f39e042"
    },
    "5777": {
      "events": {},
      "links": {},
      "address": "0x2b06336c048A4475fc26feb22359Ad8E64d8f7E7",
      "transactionHash": "0x57d71088dded99d14bc4c0122e38e424e8fa6057235689779a481ff14ee4a115"
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  },
  "schemaVersion": "3.0.6",
  "updatedAt": "2019-04-12T23:39:21.137Z",
  "devdoc": {
    "methods": {
      "isApprovedForAll(address,address)": {
        "details": "Tells whether an operator is approved by a given owner",
        "params": {
          "operator": "operator address which you want to query the approval of",
          "owner": "owner address which you want to query the approval of"
        },
        "return": "bool whether the given operator is approved by the given owner"
      },
      "setApprovalForAll(address,bool)": {
        "details": "Sets or unsets the approval of a given operator An operator is allowed to transfer all tokens of the sender on their behalf",
        "params": {
          "approved": "representing the status of the approval to be set",
          "to": "operator address to set the approval"
        }
      },
      "supportsInterface(bytes4)": {
        "details": "implement supportsInterface(bytes4) using a lookup table"
      },
      "tokenByIndex(uint256)": {
        "details": "Gets the token ID at a given index of all the tokens in this contract Reverts if the index is greater or equal to the total number of tokens",
        "params": {
          "index": "uint256 representing the index to be accessed of the tokens list"
        },
        "return": "uint256 token ID at the given index of the tokens list"
      },
      "tokenOfOwnerByIndex(address,uint256)": {
        "details": "Gets the token ID at a given index of the tokens list of the requested owner",
        "params": {
          "index": "uint256 representing the index to be accessed of the requested tokens list",
          "owner": "address owning the tokens list to be accessed"
        },
        "return": "uint256 token ID at the given index of the tokens list owned by the requested address"
      },
      "totalSupply()": {
        "details": "Gets the total amount of tokens stored by the contract",
        "return": "uint256 representing the total amount of tokens"
      }
    }
  },
  "userdoc": {
    "methods": {}
  }
}