{
    "Function": "buy",
    "File": "contracts/NFTSale.sol",
    "Parent Contracts": [
        "node_modules/@openzeppelin/contracts/access/Ownable.sol",
        "node_modules/@openzeppelin/contracts/utils/Context.sol"
    ],
    "High-Level Calls": [
        "IERC721",
        "IERC20"
    ],
    "Internal Calls": [
        "owner",
        "require(bool,string)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function buy(uint _amount) external {\n        require(_amount <= availableIds.length, \"Not enough for sale\");\n        uint _tokenAmount = _amount*price;\n        token.transferFrom(msg.sender, owner(), _tokenAmount);\n        uint[] memory _sold = new uint[](_amount);\n        for (uint i=0; i<_amount; i++) {\n            _sold[i] = availableIds[(availableIds.length-i) - 1];\n        }\n        for (uint i=0; i<_amount; i++) {\n            availableIds.pop();\n        }\n        nft.safeTransferMany(msg.sender, _sold);\n    }"
}