// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @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;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../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.
*
* By default, the owner account will be the one that deploys the contract. 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;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @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 {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @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 {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_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: GPL-3.0
pragma solidity ^0.8.17;
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 TokenHelper is Ownable {
IERC20 public immutable esLBR;
IERC20 public immutable LBR;
IERC20 public immutable oldLBR;
uint256 public deadline;
event BatchEsLBRForUsers(address indexed caller, string desc, uint256 total);
event BatchLBRForUsers(address indexed caller, string desc, uint256 total);
constructor(address _esLBR, address _LBR, address _oldLBR, uint256 _deadline) {
esLBR = IERC20(_esLBR);
LBR = IERC20(_LBR);
oldLBR = IERC20(_oldLBR);
deadline = _deadline;
}
function airdropEsLBR(address[] calldata to, uint256[] calldata value, string memory desc) external onlyOwner {
require(block.timestamp <= deadline);
uint256 total = 0;
for(uint256 i = 0; i < to.length; i++){
esLBR.mint(to[i], value[i]);
total += value[i];
}
emit BatchEsLBRForUsers(msg.sender, desc, total);
}
function airdropLBR(address[] calldata to, uint256[] calldata value, string memory desc) external onlyOwner {
require(block.timestamp <= deadline);
uint256 total = 0;
for(uint256 i = 0; i < to.length; i++){
LBR.mint(to[i], value[i]);
total += value[i];
}
emit BatchLBRForUsers(msg.sender, desc, total);
}
function migrate(uint256 amount) external {
require(block.timestamp <= deadline);
oldLBR.transferFrom(msg.sender, address(this), amount);
LBR.mint(msg.sender, amount);
}
}
{
"compilationTarget": {
"contracts/lybra/helpers/TokenHelper.sol": "TokenHelper"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
[{"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"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":false,"internalType":"string","name":"desc","type":"string"},{"indexed":false,"internalType":"uint256","name":"total","type":"uint256"}],"name":"BatchEsLBRForUsers","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":false,"internalType":"string","name":"desc","type":"string"},{"indexed":false,"internalType":"uint256","name":"total","type":"uint256"}],"name":"BatchLBRForUsers","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":[{"internalType":"address[]","name":"to","type":"address[]"},{"internalType":"uint256[]","name":"value","type":"uint256[]"},{"internalType":"string","name":"desc","type":"string"}],"name":"airdropEsLBR","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"to","type":"address[]"},{"internalType":"uint256[]","name":"value","type":"uint256[]"},{"internalType":"string","name":"desc","type":"string"}],"name":"airdropLBR","outputs":[],"stateMutability":"nonpayable","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":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]