{
    "Function": "totalSupplyAtEpoch",
    "File": "contracts/AuraLocker.sol",
    "Parent Contracts": [
        "contracts/Interfaces.sol",
        "node_modules/@openzeppelin/contracts-0.8/access/Ownable.sol",
        "node_modules/@openzeppelin/contracts-0.8/utils/Context.sol",
        "node_modules/@openzeppelin/contracts-0.8/security/ReentrancyGuard.sol"
    ],
    "High-Level Calls": [
        "AuraMath",
        "AuraMath",
        "AuraMath"
    ],
    "Internal Calls": [
        "require(bool,string)"
    ],
    "Library Calls": [
        "mul",
        "sub",
        "add"
    ],
    "Low-Level Calls": [],
    "Code": "function totalSupplyAtEpoch(uint256 _epoch) public view returns (uint256 supply) {\n        uint256 epochStart = uint256(epochs[0].date).add(uint256(_epoch).mul(rewardsDuration));\n        require(epochStart < block.timestamp, \"Epoch is in the future\");\n\n        uint256 cutoffEpoch = epochStart.sub(lockDuration);\n        uint256 lastIndex = epochs.length - 1;\n\n        uint256 epochIndex = _epoch > lastIndex ? lastIndex : _epoch;\n\n        for (uint256 i = epochIndex + 1; i > 0; i--) {\n            Epoch memory e = epochs[i - 1];\n            if (e.date == epochStart) {\n                continue;\n            } else if (e.date <= cutoffEpoch) {\n                break;\n            } else {\n                supply += e.supply;\n            }\n        }\n    }"
}