{
    "Function": "stake",
    "File": "contracts/BaseRewardPool.sol",
    "Parent Contracts": [],
    "High-Level Calls": [
        "SafeERC20",
        "IRewards",
        "SafeMath",
        "SafeMath"
    ],
    "Internal Calls": [
        "require(bool,string)",
        "updateReward"
    ],
    "Library Calls": [
        "safeTransferFrom",
        "add",
        "add"
    ],
    "Low-Level Calls": [],
    "Code": "function stake(uint256 _amount) public updateReward(msg.sender) returns (bool) {\n        require(_amount > 0, \"RewardPool : Cannot stake 0\");\n\n        //also stake to linked rewards\n        for (uint256 i = 0; i < extraRewards.length; i++) {\n            IRewards(extraRewards[i]).stake(msg.sender, _amount);\n        }\n\n        _totalSupply = _totalSupply.add(_amount);\n        _balances[msg.sender] = _balances[msg.sender].add(_amount);\n\n        stakingToken.safeTransferFrom(msg.sender, address(this), _amount);\n        emit Staked(msg.sender, _amount);\n\n        return true;\n    }"
}