{
    "Function": "stake",
    "File": "contracts/staking/InfinityStaker.sol",
    "Parent Contracts": [
        "node_modules/@openzeppelin/contracts/security/ReentrancyGuard.sol",
        "node_modules/@openzeppelin/contracts/security/Pausable.sol",
        "node_modules/@openzeppelin/contracts/access/Ownable.sol",
        "node_modules/@openzeppelin/contracts/utils/Context.sol",
        "contracts/interfaces/IStaker.sol"
    ],
    "High-Level Calls": [
        "SafeERC20",
        "IERC20"
    ],
    "Internal Calls": [
        "whenNotPaused",
        "require(bool,string)",
        "nonReentrant",
        "require(bool,string)"
    ],
    "Library Calls": [
        "safeTransferFrom"
    ],
    "Low-Level Calls": [],
    "Code": "function stake(uint256 amount, Duration duration) external override nonReentrant whenNotPaused {\n    require(amount != 0, 'stake amount cant be 0');\n    require(IERC20(INFINITY_TOKEN).balanceOf(msg.sender) >= amount, 'insufficient balance to stake');\n    // update storage\n    userstakedAmounts[msg.sender][duration].amount += amount;\n    userstakedAmounts[msg.sender][duration].timestamp = block.timestamp;\n    // perform transfer\n    IERC20(INFINITY_TOKEN).safeTransferFrom(msg.sender, address(this), amount);\n    // emit event\n    emit Staked(msg.sender, amount, duration);\n  }"
}