Contract 0xb343cf4b6eba89f51bbdbf8aca97cd2c90ad2e1e

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

/** The callback contract interface */
interface CallbackContract {
    function burnNotification(address _owner, uint256 _amount, uint256 _total, string calldata _correlationId) external;
}

/** BurnContract interface */
interface BurnContract {
    function transfer(address to, uint256 value) external returns (bool);
    function burn(address sender, uint256 aount) external;
    function balanceOf(address) external returns (uint256);
}

/**
 * Contract responsible for tracking Token burned.
 */
contract TokenBurnV1 {

    // A no-operation subscriber, for those who don't want to implement a contract callback.
    address public NOOP_SUBSCRIBER = address(1);

    // variables
    BurnContract public tokenContract;
    uint256 public globalBurnTotal = 0;
    mapping(string => uint256) public burnBySubscriber;
    mapping(string => address) public callbackAddressBySubscriber;
    mapping(uint256 => string) public subscriberNamesByIndex;
    uint256 public count = 0;

    // events
    event TokenBurned(uint256 ts, string sub, address wallet, uint256 amount, string correlationId);
    event Subscription(uint256 ts, string name, address addr);

    // constructor, pass in token address that want to be burn
    constructor(address _tokenContract) {
        tokenContract = BurnContract(_tokenContract);
    }

    // functions

    /**
     * Returns a paginated list of subscribers.
     */
    function getSubscribers(uint256 _pageNum) public view returns (string[] memory){
        uint PAGE_SIZE = 20;
        require(_pageNum >= 0, 'PAGE MUST BE POSITIVE');
        string[] memory names = new string[](PAGE_SIZE);
        uint start = _pageNum * PAGE_SIZE;
        uint end = start + PAGE_SIZE;
        for (uint i = start; i < count && i < end; i++) {
            names[i - start] = subscriberNamesByIndex[i];
        }
        return names;
    }

    /**
     * User calls - Allows a user to burn TOKEN, against a subscriber's name.
     */
    function burnToken(string calldata _name, uint256 _amount, string calldata _correlationId) external {
        // amount must be a positive number
        require(_amount > 0, 'AMOUNT MUST BE POSITIVE');
        // verify we have a subscriber
        address callback = callbackAddressBySubscriber[_name];
        require(callback != address(0), 'NO SUBSCRIBER FOR NAME');
        // do burn
        tokenContract.burn(msg.sender, _amount);
        // update totals
        globalBurnTotal += _amount;
        burnBySubscriber[_name] += _amount;
        // notify subscriber
        if (callback != NOOP_SUBSCRIBER) {
            CallbackContract(callback).burnNotification(msg.sender, _amount, burnBySubscriber[_name], _correlationId);
        }
        // fire event
        emit TokenBurned(block.timestamp, _name, msg.sender, _amount, _correlationId);
    }

    /**
     * Polymorphic function - name only (optional _callbackContractAddr).
     */
    function subscribe(string calldata _name) external {
        this.subscribeWithCallback(_name, NOOP_SUBSCRIBER);
    }
    
    /**
     * Subscriber Developer calls - Registers a single immutable "burnNotification" subscriber.
     */
    function subscribeWithCallback(string calldata _name, address _callbackContractAddr) external {
        // only allow one subscriber
        require(callbackAddressBySubscriber[_name] == address(0), 'SUBSCRIBER ALREADY REGISTERED');
        // invoke subscriber, to verify the contract signature is callable
        if (_callbackContractAddr != NOOP_SUBSCRIBER) {
            CallbackContract(_callbackContractAddr).burnNotification(msg.sender, 0, 0, 'subscribed');
        }
        // store subscriber contract address
        callbackAddressBySubscriber[_name] = _callbackContractAddr;
        // store subscriber names
        subscriberNamesByIndex[count++] = _name;
        // fire event
        emit Subscription(block.timestamp, _name, _callbackContractAddr);
    }

    function getBurnTotalBySubscriber(string calldata _name) public view returns (uint256) {
        return burnBySubscriber[_name];
    }

    function getAddressBySubscriber(string calldata _name) public view returns (address) {
        return callbackAddressBySubscriber[_name];
    }
}

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

[{"inputs":[{"internalType":"address","name":"_tokenContract","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"ts","type":"uint256"},{"indexed":false,"internalType":"string","name":"name","type":"string"},{"indexed":false,"internalType":"address","name":"addr","type":"address"}],"name":"Subscription","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"ts","type":"uint256"},{"indexed":false,"internalType":"string","name":"sub","type":"string"},{"indexed":false,"internalType":"address","name":"wallet","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"string","name":"correlationId","type":"string"}],"name":"TokenBurned","type":"event"},{"inputs":[],"name":"NOOP_SUBSCRIBER","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"","type":"string"}],"name":"burnBySubscriber","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"string","name":"_correlationId","type":"string"}],"name":"burnToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"","type":"string"}],"name":"callbackAddressBySubscriber","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"count","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"getAddressBySubscriber","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"getBurnTotalBySubscriber","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pageNum","type":"uint256"}],"name":"getSubscribers","outputs":[{"internalType":"string[]","name":"","type":"string[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"globalBurnTotal","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"subscribe","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"address","name":"_callbackContractAddr","type":"address"}],"name":"subscribeWithCallback","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"subscriberNamesByIndex","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenContract","outputs":[{"internalType":"contract BurnContract","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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0000000000000000000000009c846d808a41328a209e235b5e3c4e626dab169e

-----Decoded View---------------
Arg [0] : _tokenContract (address): 0x9c846d808a41328a209e235b5e3c4e626dab169e

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000009c846d808a41328a209e235b5e3c4e626dab169e