{
    "Function": "claim",
    "File": "contracts/AuraMerkleDrop.sol",
    "Parent Contracts": [],
    "High-Level Calls": [
        "SafeERC20",
        "MerkleProof",
        "SafeERC20",
        "SafeERC20",
        "IAuraLocker"
    ],
    "Internal Calls": [
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)",
        "keccak256(bytes)",
        "abi.encodePacked()",
        "require(bool,string)",
        "require(bool,string)",
        "require(bool,string)"
    ],
    "Library Calls": [
        "safeApprove",
        "safeTransfer",
        "safeApprove",
        "verify"
    ],
    "Low-Level Calls": [],
    "Code": "function claim(\n        bytes32[] calldata _proof,\n        uint256 _amount,\n        bool _lock\n    ) public returns (bool) {\n        require(merkleRoot != bytes32(0), \"!root\");\n        require(block.timestamp > startTime, \"!started\");\n        require(block.timestamp < expiryTime, \"!active\");\n        require(_amount > 0, \"!amount\");\n        require(hasClaimed[msg.sender] == false, \"already claimed\");\n\n        bytes32 leaf = keccak256(abi.encodePacked(msg.sender, _amount));\n        require(MerkleProof.verify(_proof, merkleRoot, leaf), \"invalid proof\");\n\n        hasClaimed[msg.sender] = true;\n\n        if (_lock) {\n            aura.safeApprove(address(auraLocker), 0);\n            aura.safeApprove(address(auraLocker), _amount);\n            auraLocker.lock(msg.sender, _amount);\n        } else {\n            // If there is an address for auraLocker, and not locking, apply 20% penalty\n            uint256 penalty = address(auraLocker) == address(0) ? 0 : (_amount * 2) / 10;\n            pendingPenalty += penalty;\n            aura.safeTransfer(msg.sender, _amount - penalty);\n        }\n\n        emit Claimed(msg.sender, _amount, _lock);\n        return true;\n    }"
}