Contract Source Code (Solidity Standard Json-Input format)

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// SPDX-License-Identifier: WTFPL
pragma solidity ^0.4.26;

import "../interface/BugCat.sol";

contract OverflowCat is BugCat {
    mapping(address => uint) public balance;

    function batchTransfer(address[] memory _receivers, uint256 _value) public {
        uint count = _receivers.length;
        uint amount = count * _value;
        require(_value > 0 && balance[msg.sender] >= amount);
        balance[msg.sender] -= amount;
        for (uint i = 0; i < count; i++) {
            balance[_receivers[i]] += _value;
        }
    }

    function caress() public {
        if (balance[msg.sender] > 0) {
            emit Meow(msg.sender, "overflow");
        }
    }

    function remember() external view returns (bool) {
        address BecToken = 0xC5d105E63711398aF9bbff092d4B6769C82F793D;
        uint256 size; assembly { size := extcodesize(BecToken) }
        return size > 0;
    }
}

// SPDX-License-Identifier: WTFPL
pragma solidity ^0.4.26;

interface BugCat {
    event Meow(address indexed caretaker, string wound);
    function caress() external;
    function remember() external view returns (bool);
}

{
  "viaIR": true,
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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[{"constant":false,"inputs":[],"name":"caress","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"remember","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_receivers","type":"address[]"},{"name":"_value","type":"uint256"}],"name":"batchTransfer","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"caretaker","type":"address"},{"indexed":false,"name":"wound","type":"string"}],"name":"Meow","type":"event"}]

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