@levxdao/airdrop

{ "address": "0x3BF7d6ffbdecc0d918e5b7262A8F47fBB97eE9FA", "abi": [ { "inputs": [ { "internalType": "address", "name": "_owner", "type": "address" }, { "internalType": "address", "name": "_levx", "type": "address" }, { "internalType": "address", "name": "_weth", "type": "address" }, { "internalType": "address", "name": "_router", "type": "address" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "merkleRoot", "type": "bytes32" } ], "name": "AddMerkleRoot", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "merkleRoot", "type": "bytes32" }, { "indexed": true, "internalType": "address", "name": "account", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "amount", "type": "uint256" }, { "indexed": false, "internalType": "address", "name": "to", "type": "address" } ], "name": "Claim", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint256", "name": "amount", "type": "uint256" }, { "indexed": false, "internalType": "address", "name": "from", "type": "address" } ], "name": "Deposit", "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" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint256", "name": "amount", "type": "uint256" }, { "indexed": false, "internalType": "address", "name": "to", "type": "address" } ], "name": "Withdraw", "type": "event" }, { "inputs": [ { "internalType": "bytes32", "name": "merkleRoot", "type": "bytes32" } ], "name": "addMerkleRoot", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32[]", "name": "merkleRoots", "type": "bytes32[]" }, { "internalType": "bytes32[][]", "name": "merkleProofs", "type": "bytes32[][]" }, { "internalType": "uint256[]", "name": "amounts", "type": "uint256[]" }, { "internalType": "address", "name": "to", "type": "address" } ], "name": "batchClaim", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32[]", "name": "merkleRoots", "type": "bytes32[]" }, { "internalType": "bytes32[][]", "name": "merkleProofs", "type": "bytes32[][]" }, { "internalType": "uint256[]", "name": "amounts", "type": "uint256[]" }, { "internalType": "uint256", "name": "amountOutMin", "type": "uint256" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "deadline", "type": "uint256" } ], "name": "batchClaimAndSwapToLevx", "outputs": [ { "internalType": "uint256", "name": "amountOut", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "merkleRoot", "type": "bytes32" }, { "internalType": "bytes32[]", "name": "merkleProof", "type": "bytes32[]" }, { "internalType": "uint256", "name": "amount", "type": "uint256" }, { "internalType": "address", "name": "to", "type": "address" } ], "name": "claim", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "merkleRoot", "type": "bytes32" }, { "internalType": "bytes32[]", "name": "merkleProof", "type": "bytes32[]" }, { "internalType": "uint256", "name": "amount", "type": "uint256" }, { "internalType": "uint256", "name": "amountOutMin", "type": "uint256" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "deadline", "type": "uint256" } ], "name": "claimAndSwapToLevx", "outputs": [ { "internalType": "uint256", "name": "amountOut", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "", "type": "bytes32" } ], "name": "isValidMerkleRoot", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "levx", "outputs": [ { "internalType": "address", "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": "router", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "root", "type": "bytes32" }, { "internalType": "bytes32", "name": "leaf", "type": "bytes32" }, { "internalType": "bytes32[]", "name": "proof", "type": "bytes32[]" } ], "name": "verify", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "pure", "type": "function" }, { "inputs": [], "name": "weth", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "withdraw", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "stateMutability": "payable", "type": "receive" } ], "transactionHash": "0xf0cd6fdbb0ff62786edac45d558b5cdaf40df24ba7cc894b896fd194bb715e13", "receipt": { "to": null, "from": "0x5b8C253517b6Bd003369173109693B01cb6841B5", "contractAddress": "0x3BF7d6ffbdecc0d918e5b7262A8F47fBB97eE9FA", "transactionIndex": 51, "gasUsed": "1198892", "logsBloom": "0x00000000000000000100000000000000000000000000000000900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000800001000000000000000000000000000000000000220004000000000000000800000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000020000000000000000040002000000004000000000000000000000000000000000000", "blockHash": "0x453ade996c69cdd731d592a89f48d0711a8055175c86ba3820ee8f0a586cbe9e", "transactionHash": "0xf0cd6fdbb0ff62786edac45d558b5cdaf40df24ba7cc894b896fd194bb715e13", "logs": [ { "transactionIndex": 51, "blockNumber": 13711884, "transactionHash": "0xf0cd6fdbb0ff62786edac45d558b5cdaf40df24ba7cc894b896fd194bb715e13", "address": "0x3BF7d6ffbdecc0d918e5b7262A8F47fBB97eE9FA", "topics": [ "0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0", "0x0000000000000000000000000000000000000000000000000000000000000000", "0x0000000000000000000000005b8c253517b6bd003369173109693b01cb6841b5" ], "data": "0x", "logIndex": 54, "blockHash": "0x453ade996c69cdd731d592a89f48d0711a8055175c86ba3820ee8f0a586cbe9e" }, { "transactionIndex": 51, "blockNumber": 13711884, "transactionHash": "0xf0cd6fdbb0ff62786edac45d558b5cdaf40df24ba7cc894b896fd194bb715e13", "address": "0x3BF7d6ffbdecc0d918e5b7262A8F47fBB97eE9FA", "topics": [ "0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0", "0x0000000000000000000000005b8c253517b6bd003369173109693b01cb6841b5", "0x0000000000000000000000000903f8892c06a99bf1d68088fab597a0762e0bc8" ], "data": "0x", "logIndex": 55, "blockHash": "0x453ade996c69cdd731d592a89f48d0711a8055175c86ba3820ee8f0a586cbe9e" } ], "blockNumber": 13711884, "cumulativeGasUsed": "3538002", "status": 1, "byzantium": true }, "args": [ "0x0903f8892c06A99bf1D68088fAB597a0762e0BC8", "0xf474E526ADe9aD2CC2B66ffCE528B1A51B91FCdC", "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2", "0xd9e1cE17f2641f24aE83637ab66a2cca9C378B9F" ], "solcInputHash": "a8379fb73a7607fa8cd56eccf8e7a817", "metadata": "{\"compiler\":{\"version\":\"0.8.3+commit.8d00100c\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_levx\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_weth\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_router\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"merkleRoot\",\"type\":\"bytes32\"}],\"name\":\"AddMerkleRoot\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"merkleRoot\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"}],\"name\":\"Claim\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"}],\"name\":\"Deposit\",\"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\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"}],\"name\":\"Withdraw\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"merkleRoot\",\"type\":\"bytes32\"}],\"name\":\"addMerkleRoot\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32[]\",\"name\":\"merkleRoots\",\"type\":\"bytes32[]\"},{\"internalType\":\"bytes32[][]\",\"name\":\"merkleProofs\",\"type\":\"bytes32[][]\"},{\"internalType\":\"uint256[]\",\"name\":\"amounts\",\"type\":\"uint256[]\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"}],\"name\":\"batchClaim\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32[]\",\"name\":\"merkleRoots\",\"type\":\"bytes32[]\"},{\"internalType\":\"bytes32[][]\",\"name\":\"merkleProofs\",\"type\":\"bytes32[][]\"},{\"internalType\":\"uint256[]\",\"name\":\"amounts\",\"type\":\"uint256[]\"},{\"internalType\":\"uint256\",\"name\":\"amountOutMin\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"batchClaimAndSwapToLevx\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountOut\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"merkleRoot\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32[]\",\"name\":\"merkleProof\",\"type\":\"bytes32[]\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"}],\"name\":\"claim\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"merkleRoot\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32[]\",\"name\":\"merkleProof\",\"type\":\"bytes32[]\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"amountOutMin\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"claimAndSwapToLevx\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountOut\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"isValidMerkleRoot\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"levx\",\"outputs\":[{\"internalType\":\"address\",\"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\":\"router\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"root\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"leaf\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32[]\",\"name\":\"proof\",\"type\":\"bytes32[]\"}],\"name\":\"verify\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"pure\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"weth\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"withdraw\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"stateMutability\":\"payable\",\"type\":\"receive\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"renounceOwnership()\":{\"details\":\"Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner.\"},\"transferOwnership(address)\":{\"details\":\"Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"contracts/ETHAirdrop.sol\":\"ETHAirdrop\"},\"evmVersion\":\"istanbul\",\"libraries\":{\":__CACHE_BREAKER__\":\"0x00000000d41867734bbee4c6863d9255b2b06ac1\"},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/access/Ownable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.0 (access/Ownable.sol)\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"../utils/Context.sol\\\";\\n\\n/**\\n * @dev Contract module which provides a basic access control mechanism, where\\n * there is an account (an owner) that can be granted exclusive access to\\n * specific functions.\\n *\\n * By default, the owner account will be the one that deploys the contract. This\\n * can later be changed with {transferOwnership}.\\n *\\n * This module is used through inheritance. It will make available the modifier\\n * `onlyOwner`, which can be applied to your functions to restrict their use to\\n * the owner.\\n */\\nabstract contract Ownable is Context {\\n address private _owner;\\n\\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\\n\\n /**\\n * @dev Initializes the contract setting the deployer as the initial owner.\\n */\\n constructor() {\\n _transferOwnership(_msgSender());\\n }\\n\\n /**\\n * @dev Returns the address of the current owner.\\n */\\n function owner() public view virtual returns (address) {\\n return _owner;\\n }\\n\\n /**\\n * @dev Throws if called by any account other than the owner.\\n */\\n modifier onlyOwner() {\\n require(owner() == _msgSender(), \\\"Ownable: caller is not the owner\\\");\\n _;\\n }\\n\\n /**\\n * @dev Leaves the contract without owner. It will not be possible to call\\n * `onlyOwner` functions anymore. Can only be called by the current owner.\\n *\\n * NOTE: Renouncing ownership will leave the contract without an owner,\\n * thereby removing any functionality that is only available to the owner.\\n */\\n function renounceOwnership() public virtual onlyOwner {\\n _transferOwnership(address(0));\\n }\\n\\n /**\\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\\n * Can only be called by the current owner.\\n */\\n function transferOwnership(address newOwner) public virtual onlyOwner {\\n require(newOwner != address(0), \\\"Ownable: new owner is the zero address\\\");\\n _transferOwnership(newOwner);\\n }\\n\\n /**\\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\\n * Internal function without access restriction.\\n */\\n function _transferOwnership(address newOwner) internal virtual {\\n address oldOwner = _owner;\\n _owner = newOwner;\\n emit OwnershipTransferred(oldOwner, newOwner);\\n }\\n}\\n\",\"keccak256\":\"0xa1b27b3f44ff825974e5268e8f63ad3b03add5b464880d860fbb8cae043e17f7\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.0 (token/ERC20/IERC20.sol)\\n\\npragma solidity ^0.8.0;\\n\\n/**\\n * @dev Interface of the ERC20 standard as defined in the EIP.\\n */\\ninterface IERC20 {\\n /**\\n * @dev Returns the amount of tokens in existence.\\n */\\n function totalSupply() external view returns (uint256);\\n\\n /**\\n * @dev Returns the amount of tokens owned by `account`.\\n */\\n function balanceOf(address account) external view returns (uint256);\\n\\n /**\\n * @dev Moves `amount` tokens from the caller's account to `recipient`.\\n *\\n * Returns a boolean value indicating whether the operation succeeded.\\n *\\n * Emits a {Transfer} event.\\n */\\n function transfer(address recipient, uint256 amount) external returns (bool);\\n\\n /**\\n * @dev Returns the remaining number of tokens that `spender` will be\\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\\n * zero by default.\\n *\\n * This value changes when {approve} or {transferFrom} are called.\\n */\\n function allowance(address owner, address spender) external view returns (uint256);\\n\\n /**\\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\\n *\\n * Returns a boolean value indicating whether the operation succeeded.\\n *\\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\\n * that someone may use both the old and the new allowance by unfortunate\\n * transaction ordering. One possible solution to mitigate this race\\n * condition is to first reduce the spender's allowance to 0 and set the\\n * desired value afterwards:\\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\\n *\\n * Emits an {Approval} event.\\n */\\n function approve(address spender, uint256 amount) external returns (bool);\\n\\n /**\\n * @dev Moves `amount` tokens from `sender` to `recipient` using the\\n * allowance mechanism. `amount` is then deducted from the caller's\\n * allowance.\\n *\\n * Returns a boolean value indicating whether the operation succeeded.\\n *\\n * Emits a {Transfer} event.\\n */\\n function transferFrom(\\n address sender,\\n address recipient,\\n uint256 amount\\n ) external returns (bool);\\n\\n /**\\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\\n * another (`to`).\\n *\\n * Note that `value` may be zero.\\n */\\n event Transfer(address indexed from, address indexed to, uint256 value);\\n\\n /**\\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\\n * a call to {approve}. `value` is the new allowance.\\n */\\n event Approval(address indexed owner, address indexed spender, uint256 value);\\n}\\n\",\"keccak256\":\"0xc1452b054778f1926419196ef12ae200758a4ee728df69ae1cd13e5c16ca7df7\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.0 (token/ERC20/utils/SafeERC20.sol)\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"../IERC20.sol\\\";\\nimport \\\"../../../utils/Address.sol\\\";\\n\\n/**\\n * @title SafeERC20\\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\\n * contract returns false). Tokens that return no value (and instead revert or\\n * throw on failure) are also supported, non-reverting calls are assumed to be\\n * successful.\\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\\n */\\nlibrary SafeERC20 {\\n using Address for address;\\n\\n function safeTransfer(\\n IERC20 token,\\n address to,\\n uint256 value\\n ) internal {\\n _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\\n }\\n\\n function safeTransferFrom(\\n IERC20 token,\\n address from,\\n address to,\\n uint256 value\\n ) internal {\\n _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\\n }\\n\\n /**\\n * @dev Deprecated. This function has issues similar to the ones found in\\n * {IERC20-approve}, and its usage is discouraged.\\n *\\n * Whenever possible, use {safeIncreaseAllowance} and\\n * {safeDecreaseAllowance} instead.\\n */\\n function safeApprove(\\n IERC20 token,\\n address spender,\\n uint256 value\\n ) internal {\\n // safeApprove should only be called when setting an initial allowance,\\n // or when resetting it to zero. To increase and decrease it, use\\n // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\\n require(\\n (value == 0) || (token.allowance(address(this), spender) == 0),\\n \\\"SafeERC20: approve from non-zero to non-zero allowance\\\"\\n );\\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\\n }\\n\\n function safeIncreaseAllowance(\\n IERC20 token,\\n address spender,\\n uint256 value\\n ) internal {\\n uint256 newAllowance = token.allowance(address(this), spender) + value;\\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\\n }\\n\\n function safeDecreaseAllowance(\\n IERC20 token,\\n address spender,\\n uint256 value\\n ) internal {\\n unchecked {\\n uint256 oldAllowance = token.allowance(address(this), spender);\\n require(oldAllowance >= value, \\\"SafeERC20: decreased allowance below zero\\\");\\n uint256 newAllowance = oldAllowance - value;\\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\\n }\\n }\\n\\n /**\\n * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\\n * on the return value: the return value is optional (but if data is returned, it must not be false).\\n * @param token The token targeted by the call.\\n * @param data The call data (encoded using abi.encode or one of its variants).\\n */\\n function _callOptionalReturn(IERC20 token, bytes memory data) private {\\n // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\\n // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that\\n // the target address contains contract code and also asserts for success in the low-level call.\\n\\n bytes memory returndata = address(token).functionCall(data, \\\"SafeERC20: low-level call failed\\\");\\n if (returndata.length > 0) {\\n // Return data is optional\\n require(abi.decode(returndata, (bool)), \\\"SafeERC20: ERC20 operation did not succeed\\\");\\n }\\n }\\n}\\n\",\"keccak256\":\"0x671741933530f343f023a40e58e61bc09d62494b96c6f3e39e647f315facd519\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/Address.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.0 (utils/Address.sol)\\n\\npragma solidity ^0.8.0;\\n\\n/**\\n * @dev Collection of functions related to the address type\\n */\\nlibrary Address {\\n /**\\n * @dev Returns true if `account` is a contract.\\n *\\n * [IMPORTANT]\\n * ====\\n * It is unsafe to assume that an address for which this function returns\\n * false is an externally-owned account (EOA) and not a contract.\\n *\\n * Among others, `isContract` will return false for the following\\n * types of addresses:\\n *\\n * - an externally-owned account\\n * - a contract in construction\\n * - an address where a contract will be created\\n * - an address where a contract lived, but was destroyed\\n * ====\\n */\\n function isContract(address account) internal view returns (bool) {\\n // This method relies on extcodesize, which returns 0 for contracts in\\n // construction, since the code is only stored at the end of the\\n // constructor execution.\\n\\n uint256 size;\\n assembly {\\n size := extcodesize(account)\\n }\\n return size > 0;\\n }\\n\\n /**\\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\\n * `recipient`, forwarding all available gas and reverting on errors.\\n *\\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\\n * imposed by `transfer`, making them unable to receive funds via\\n * `transfer`. {sendValue} removes this limitation.\\n *\\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\\n *\\n * IMPORTANT: because control is transferred to `recipient`, care must be\\n * taken to not create reentrancy vulnerabilities. Consider using\\n * {ReentrancyGuard} or the\\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\\n */\\n function sendValue(address payable recipient, uint256 amount) internal {\\n require(address(this).balance >= amount, \\\"Address: insufficient balance\\\");\\n\\n (bool success, ) = recipient.call{value: amount}(\\\"\\\");\\n require(success, \\\"Address: unable to send value, recipient may have reverted\\\");\\n }\\n\\n /**\\n * @dev Performs a Solidity function call using a low level `call`. A\\n * plain `call` is an unsafe replacement for a function call: use this\\n * function instead.\\n *\\n * If `target` reverts with a revert reason, it is bubbled up by this\\n * function (like regular Solidity function calls).\\n *\\n * Returns the raw returned data. To convert to the expected return value,\\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\\n *\\n * Requirements:\\n *\\n * - `target` must be a contract.\\n * - calling `target` with `data` must not revert.\\n *\\n * _Available since v3.1._\\n */\\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\\n return functionCall(target, data, \\\"Address: low-level call failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\\n * `errorMessage` as a fallback revert reason when `target` reverts.\\n *\\n * _Available since v3.1._\\n */\\n function functionCall(\\n address target,\\n bytes memory data,\\n string memory errorMessage\\n ) internal returns (bytes memory) {\\n return functionCallWithValue(target, data, 0, errorMessage);\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n * but also transferring `value` wei to `target`.\\n *\\n * Requirements:\\n *\\n * - the calling contract must have an ETH balance of at least `value`.\\n * - the called Solidity function must be `payable`.\\n *\\n * _Available since v3.1._\\n */\\n function functionCallWithValue(\\n address target,\\n bytes memory data,\\n uint256 value\\n ) internal returns (bytes memory) {\\n return functionCallWithValue(target, data, value, \\\"Address: low-level call with value failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\\n * with `errorMessage` as a fallback revert reason when `target` reverts.\\n *\\n * _Available since v3.1._\\n */\\n function functionCallWithValue(\\n address target,\\n bytes memory data,\\n uint256 value,\\n string memory errorMessage\\n ) internal returns (bytes memory) {\\n require(address(this).balance >= value, \\\"Address: insufficient balance for call\\\");\\n require(isContract(target), \\\"Address: call to non-contract\\\");\\n\\n (bool success, bytes memory returndata) = target.call{value: value}(data);\\n return verifyCallResult(success, returndata, errorMessage);\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n * but performing a static call.\\n *\\n * _Available since v3.3._\\n */\\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\\n return functionStaticCall(target, data, \\\"Address: low-level static call failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\\n * but performing a static call.\\n *\\n * _Available since v3.3._\\n */\\n function functionStaticCall(\\n address target,\\n bytes memory data,\\n string memory errorMessage\\n ) internal view returns (bytes memory) {\\n require(isContract(target), \\\"Address: static call to non-contract\\\");\\n\\n (bool success, bytes memory returndata) = target.staticcall(data);\\n return verifyCallResult(success, returndata, errorMessage);\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n * but performing a delegate call.\\n *\\n * _Available since v3.4._\\n */\\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\\n return functionDelegateCall(target, data, \\\"Address: low-level delegate call failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\\n * but performing a delegate call.\\n *\\n * _Available since v3.4._\\n */\\n function functionDelegateCall(\\n address target,\\n bytes memory data,\\n string memory errorMessage\\n ) internal returns (bytes memory) {\\n require(isContract(target), \\\"Address: delegate call to non-contract\\\");\\n\\n (bool success, bytes memory returndata) = target.delegatecall(data);\\n return verifyCallResult(success, returndata, errorMessage);\\n }\\n\\n /**\\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\\n * revert reason using the provided one.\\n *\\n * _Available since v4.3._\\n */\\n function verifyCallResult(\\n bool success,\\n bytes memory returndata,\\n string memory errorMessage\\n ) internal pure returns (bytes memory) {\\n if (success) {\\n return returndata;\\n } else {\\n // Look for revert reason and bubble it up if present\\n if (returndata.length > 0) {\\n // The easiest way to bubble the revert reason is using memory via assembly\\n\\n assembly {\\n let returndata_size := mload(returndata)\\n revert(add(32, returndata), returndata_size)\\n }\\n } else {\\n revert(errorMessage);\\n }\\n }\\n }\\n}\\n\",\"keccak256\":\"0x9944d1038f27dcebff810d7ba16b3b8058b967173d76874fb72dd7cd84129656\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/Context.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.0 (utils/Context.sol)\\n\\npragma solidity ^0.8.0;\\n\\n/**\\n * @dev Provides information about the current execution context, including the\\n * sender of the transaction and its data. While these are generally available\\n * via msg.sender and msg.data, they should not be accessed in such a direct\\n * manner, since when dealing with meta-transactions the account sending and\\n * paying for execution may not be the actual sender (as far as an application\\n * is concerned).\\n *\\n * This contract is only required for intermediate, library-like contracts.\\n */\\nabstract contract Context {\\n function _msgSender() internal view virtual returns (address) {\\n return msg.sender;\\n }\\n\\n function _msgData() internal view virtual returns (bytes calldata) {\\n return msg.data;\\n }\\n}\\n\",\"keccak256\":\"0x7736c187e6f1358c1ea9350a2a21aa8528dec1c2f43b374a9067465a3a51f5d3\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/math/SafeMath.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.0 (utils/math/SafeMath.sol)\\n\\npragma solidity ^0.8.0;\\n\\n// CAUTION\\n// This version of SafeMath should only be used with Solidity 0.8 or later,\\n// because it relies on the compiler's built in overflow checks.\\n\\n/**\\n * @dev Wrappers over Solidity's arithmetic operations.\\n *\\n * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler\\n * now has built in overflow checking.\\n */\\nlibrary SafeMath {\\n /**\\n * @dev Returns the addition of two unsigned integers, with an overflow flag.\\n *\\n * _Available since v3.4._\\n */\\n function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n unchecked {\\n uint256 c = a + b;\\n if (c < a) return (false, 0);\\n return (true, c);\\n }\\n }\\n\\n /**\\n * @dev Returns the substraction of two unsigned integers, with an overflow flag.\\n *\\n * _Available since v3.4._\\n */\\n function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n unchecked {\\n if (b > a) return (false, 0);\\n return (true, a - b);\\n }\\n }\\n\\n /**\\n * @dev Returns the multiplication of two unsigned integers, with an overflow flag.\\n *\\n * _Available since v3.4._\\n */\\n function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n unchecked {\\n // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\\n // benefit is lost if 'b' is also tested.\\n // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\\n if (a == 0) return (true, 0);\\n uint256 c = a * b;\\n if (c / a != b) return (false, 0);\\n return (true, c);\\n }\\n }\\n\\n /**\\n * @dev Returns the division of two unsigned integers, with a division by zero flag.\\n *\\n * _Available since v3.4._\\n */\\n function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n unchecked {\\n if (b == 0) return (false, 0);\\n return (true, a / b);\\n }\\n }\\n\\n /**\\n * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.\\n *\\n * _Available since v3.4._\\n */\\n function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n unchecked {\\n if (b == 0) return (false, 0);\\n return (true, a % b);\\n }\\n }\\n\\n /**\\n * @dev Returns the addition of two unsigned integers, reverting on\\n * overflow.\\n *\\n * Counterpart to Solidity's `+` operator.\\n *\\n * Requirements:\\n *\\n * - Addition cannot overflow.\\n */\\n function add(uint256 a, uint256 b) internal pure returns (uint256) {\\n return a + b;\\n }\\n\\n /**\\n * @dev Returns the subtraction of two unsigned integers, reverting on\\n * overflow (when the result is negative).\\n *\\n * Counterpart to Solidity's `-` operator.\\n *\\n * Requirements:\\n *\\n * - Subtraction cannot overflow.\\n */\\n function sub(uint256 a, uint256 b) internal pure returns (uint256) {\\n return a - b;\\n }\\n\\n /**\\n * @dev Returns the multiplication of two unsigned integers, reverting on\\n * overflow.\\n *\\n * Counterpart to Solidity's `*` operator.\\n *\\n * Requirements:\\n *\\n * - Multiplication cannot overflow.\\n */\\n function mul(uint256 a, uint256 b) internal pure returns (uint256) {\\n return a * b;\\n }\\n\\n /**\\n * @dev Returns the integer division of two unsigned integers, reverting on\\n * division by zero. The result is rounded towards zero.\\n *\\n * Counterpart to Solidity's `/` operator.\\n *\\n * Requirements:\\n *\\n * - The divisor cannot be zero.\\n */\\n function div(uint256 a, uint256 b) internal pure returns (uint256) {\\n return a / b;\\n }\\n\\n /**\\n * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\\n * reverting when dividing by zero.\\n *\\n * Counterpart to Solidity's `%` operator. This function uses a `revert`\\n * opcode (which leaves remaining gas untouched) while Solidity uses an\\n * invalid opcode to revert (consuming all remaining gas).\\n *\\n * Requirements:\\n *\\n * - The divisor cannot be zero.\\n */\\n function mod(uint256 a, uint256 b) internal pure returns (uint256) {\\n return a % b;\\n }\\n\\n /**\\n * @dev Returns the subtraction of two unsigned integers, reverting with custom message on\\n * overflow (when the result is negative).\\n *\\n * CAUTION: This function is deprecated because it requires allocating memory for the error\\n * message unnecessarily. For custom revert reasons use {trySub}.\\n *\\n * Counterpart to Solidity's `-` operator.\\n *\\n * Requirements:\\n *\\n * - Subtraction cannot overflow.\\n */\\n function sub(\\n uint256 a,\\n uint256 b,\\n string memory errorMessage\\n ) internal pure returns (uint256) {\\n unchecked {\\n require(b <= a, errorMessage);\\n return a - b;\\n }\\n }\\n\\n /**\\n * @dev Returns the integer division of two unsigned integers, reverting with custom message on\\n * division by zero. The result is rounded towards zero.\\n *\\n * Counterpart to Solidity's `/` operator. Note: this function uses a\\n * `revert` opcode (which leaves remaining gas untouched) while Solidity\\n * uses an invalid opcode to revert (consuming all remaining gas).\\n *\\n * Requirements:\\n *\\n * - The divisor cannot be zero.\\n */\\n function div(\\n uint256 a,\\n uint256 b,\\n string memory errorMessage\\n ) internal pure returns (uint256) {\\n unchecked {\\n require(b > 0, errorMessage);\\n return a / b;\\n }\\n }\\n\\n /**\\n * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\\n * reverting with custom message when dividing by zero.\\n *\\n * CAUTION: This function is deprecated because it requires allocating memory for the error\\n * message unnecessarily. For custom revert reasons use {tryMod}.\\n *\\n * Counterpart to Solidity's `%` operator. This function uses a `revert`\\n * opcode (which leaves remaining gas untouched) while Solidity uses an\\n * invalid opcode to revert (consuming all remaining gas).\\n *\\n * Requirements:\\n *\\n * - The divisor cannot be zero.\\n */\\n function mod(\\n uint256 a,\\n uint256 b,\\n string memory errorMessage\\n ) internal pure returns (uint256) {\\n unchecked {\\n require(b > 0, errorMessage);\\n return a % b;\\n }\\n }\\n}\\n\",\"keccak256\":\"0x29c462775f5b4c76dce400f120f3530aa3f81da42c839f975dc2b64784d22434\",\"license\":\"MIT\"},\"contracts/ETHAirdrop.sol\":{\"content\":\"// SPDX-License-Identifier: UNLICENSED\\n\\npragma solidity =0.8.3;\\n\\nimport \\\"@openzeppelin/contracts/access/Ownable.sol\\\";\\nimport \\\"@openzeppelin/contracts/token/ERC20/IERC20.sol\\\";\\nimport \\\"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\\\";\\nimport \\\"./uniswapv2/interfaces/IUniswapV2Router01.sol\\\";\\nimport \\\"./uniswapv2/interfaces/IUniswapV2Pair.sol\\\";\\nimport \\\"./uniswapv2/interfaces/IWETH.sol\\\";\\nimport \\\"./uniswapv2/libraries/UniswapV2Library.sol\\\";\\nimport \\\"./MerkleProof.sol\\\";\\n\\ncontract ETHAirdrop is Ownable, MerkleProof {\\n using SafeERC20 for IERC20;\\n\\n address public immutable levx;\\n address public immutable weth;\\n address public immutable router;\\n mapping(bytes32 => bool) public isValidMerkleRoot;\\n mapping(bytes32 => mapping(bytes32 => bool)) internal _hasClaimed;\\n\\n event Deposit(uint256 amount, address from);\\n event Withdraw(uint256 amount, address to);\\n event AddMerkleRoot(bytes32 indexed merkleRoot);\\n event Claim(bytes32 indexed merkleRoot, address indexed account, uint256 amount, address to);\\n\\n modifier ensure(uint256 deadline) {\\n require(deadline >= block.timestamp, \\\"LEVX: EXPIRED\\\");\\n _;\\n }\\n\\n constructor(\\n address _owner,\\n address _levx,\\n address _weth,\\n address _router\\n ) {\\n levx = _levx;\\n weth = _weth;\\n router = _router;\\n _transferOwnership(_owner);\\n }\\n\\n receive() external payable {\\n emit Deposit(msg.value, msg.sender);\\n }\\n\\n function withdraw(uint256 amount) external onlyOwner {\\n payable(msg.sender).transfer(amount);\\n\\n emit Withdraw(amount, msg.sender);\\n }\\n\\n function addMerkleRoot(bytes32 merkleRoot) external onlyOwner {\\n require(!isValidMerkleRoot[merkleRoot], \\\"SHOYU: DUPLICATE_ROOT\\\");\\n isValidMerkleRoot[merkleRoot] = true;\\n\\n emit AddMerkleRoot(merkleRoot);\\n }\\n\\n function claim(\\n bytes32 merkleRoot,\\n bytes32[] calldata merkleProof,\\n uint256 amount,\\n address to\\n ) public {\\n require(isValidMerkleRoot[merkleRoot], \\\"SHOYU: INVALID_ROOT\\\");\\n\\n bytes32 leaf = keccak256(abi.encodePacked(msg.sender, amount));\\n require(!_hasClaimed[merkleRoot][leaf], \\\"SHOYU: FORBIDDEN\\\");\\n require(verify(merkleRoot, leaf, merkleProof), \\\"SHOYU: INVALID_PROOF\\\");\\n\\n _hasClaimed[merkleRoot][leaf] = true;\\n if (to != address(this)) {\\n payable(to).transfer(amount);\\n }\\n\\n emit Claim(merkleRoot, msg.sender, amount, to);\\n }\\n\\n function batchClaim(\\n bytes32[] calldata merkleRoots,\\n bytes32[][] calldata merkleProofs,\\n uint256[] calldata amounts,\\n address to\\n ) external {\\n for (uint256 i; i < merkleRoots.length; i++) {\\n claim(merkleRoots[i], merkleProofs[i], amounts[i], to);\\n }\\n }\\n\\n function claimAndSwapToLevx(\\n bytes32 merkleRoot,\\n bytes32[] calldata merkleProof,\\n uint256 amount,\\n uint256 amountOutMin,\\n address to,\\n uint256 deadline\\n ) public ensure(deadline) returns (uint256 amountOut) {\\n claim(merkleRoot, merkleProof, amount, address(this));\\n\\n address[] memory path = new address[](2);\\n path[0] = weth;\\n path[1] = levx;\\n uint256[] memory amounts = IUniswapV2Router01(router).swapExactETHForTokens{value: amount}(\\n amountOutMin,\\n path,\\n to,\\n deadline\\n );\\n amountOut = amounts[1];\\n }\\n\\n function batchClaimAndSwapToLevx(\\n bytes32[] calldata merkleRoots,\\n bytes32[][] calldata merkleProofs,\\n