Contract Source Code (Solidity Standard Json-Input format)

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// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.20;


import "@openzeppelin/contracts/access/Ownable.sol";

interface IERC20 {
    function mint(address user, uint256 amount) external returns(bool);
    function burn(address user, uint256 amount) external returns(bool);
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
}

contract MigrateHelper is Ownable {
    IERC20 public immutable esLBR;
    IERC20 public immutable LBR;
    IERC20 public immutable oldLBR;
    uint256 public deadline;
    uint256 public totalAmount = 2_065_967 * 1e18;
   
    event Migrate(address indexed user, uint256 oldTokenAmount, uint256 esLBRAmount, uint256 time);

    constructor(address _esLBR, address _LBR, address _oldLBR, uint256 _deadline) Ownable(msg.sender) {
        esLBR = IERC20(_esLBR);
        LBR = IERC20(_LBR);
        oldLBR = IERC20(_oldLBR);
        deadline = _deadline;
    }

    function migrate(uint256 amount) external {
        require(block.timestamp <= deadline && totalAmount >= amount);
        oldLBR.transferFrom(msg.sender, address(this), amount);
        uint256 realAmount = amount * 970 / 1000;
        esLBR.mint(msg.sender, realAmount);
        LBR.mint(owner(), amount * 30 / 1000);
        totalAmount -= amount;
        emit Migrate(msg.sender, amount, realAmount, block.timestamp);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

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

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[{"inputs":[{"internalType":"address","name":"_esLBR","type":"address"},{"internalType":"address","name":"_LBR","type":"address"},{"internalType":"address","name":"_oldLBR","type":"address"},{"internalType":"uint256","name":"_deadline","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"oldTokenAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"esLBRAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"time","type":"uint256"}],"name":"Migrate","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"LBR","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"deadline","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"esLBR","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"migrate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"oldLBR","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

00000000000000000000000073b1988a3336208e55275c52fac7f5d3a7dfb89f000000000000000000000000ed1167b6dc64e8a366db86f2e952a482d0981ebd000000000000000000000000f1182229b71e79e504b1d2bf076c15a277311e050000000000000000000000000000000000000000000000000000000065a67dd0

-----Decoded View---------------
Arg [0] : _esLBR (address): 0x73b1988a3336208e55275C52faC7F5d3A7DFb89f
Arg [1] : _LBR (address): 0xed1167b6Dc64E8a366DB86F2E952A482D0981ebd
Arg [2] : _oldLBR (address): 0xF1182229B71E79E504b1d2bF076C15a277311e05
Arg [3] : _deadline (uint256): 1705410000

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 00000000000000000000000073b1988a3336208e55275c52fac7f5d3a7dfb89f
Arg [1] : 000000000000000000000000ed1167b6dc64e8a366db86f2e952a482d0981ebd
Arg [2] : 000000000000000000000000f1182229b71e79e504b1d2bf076c15a277311e05
Arg [3] : 0000000000000000000000000000000000000000000000000000000065a67dd0