{
    "Function": "extendLock",
    "File": "contracts/BondNFT.sol",
    "Parent Contracts": [
        "node_modules/@openzeppelin/contracts/access/Ownable.sol",
        "node_modules/@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol",
        "node_modules/@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol",
        "node_modules/@openzeppelin/contracts/token/ERC721/ERC721.sol",
        "node_modules/@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol",
        "node_modules/@openzeppelin/contracts/token/ERC721/IERC721.sol",
        "node_modules/@openzeppelin/contracts/utils/introspection/ERC165.sol",
        "node_modules/@openzeppelin/contracts/utils/introspection/IERC165.sol",
        "node_modules/@openzeppelin/contracts/utils/Context.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "require(bool,string)",
        "idToBond",
        "onlyManager",
        "require(bool,string)",
        "require(bool,string)",
        "require(bool)",
        "require(bool,string)",
        "require(bool,string)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function extendLock(\n        uint _id,\n        address _asset,\n        uint _amount,\n        uint _period,\n        address _sender\n    ) external onlyManager() {\n        Bond memory bond = idToBond(_id);\n        Bond storage _bond = _idToBond[_id];\n        require(bond.owner == _sender, \"!owner\");\n        require(!bond.expired, \"Expired\");\n        require(bond.asset == _asset, \"!BondAsset\");\n        require(bond.pending == 0);\n        require(epoch[bond.asset] == block.timestamp/DAY, \"Bad epoch\");\n        require(bond.period+_period <= 365, \"MAX PERIOD\");\n        unchecked {\n            uint shares = (bond.amount + _amount) * (bond.period + _period) / 365;\n            uint expireEpoch = block.timestamp/DAY + bond.period + _period;\n            totalShares[bond.asset] += shares-bond.shares;\n            _bond.shares = shares;\n            _bond.amount += _amount;\n            _bond.expireEpoch = expireEpoch;\n            _bond.period += _period;\n            _bond.mintTime = block.timestamp;\n            _bond.mintEpoch = epoch[bond.asset];\n            bondPaid[_id][bond.asset] = accRewardsPerShare[bond.asset][epoch[bond.asset]] * _bond.shares / 1e18;\n        }\n        emit ExtendLock(_period, _amount, _sender,  _id);\n    }"
}