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Gas: 1.8 nAVAX
 

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Transaction Hash
Method
Block
From
To
Multi Transfer E...593837272025-03-28 16:10:049 secs ago1743178204IN
0xF60fADfb...FC808Fd61
0 AVAX0.000251121.22343755
Multi Transfer E...593837262025-03-28 16:09:5914 secs ago1743178199IN
0xF60fADfb...FC808Fd61
0 AVAX0.000087341.22343755
Multi Transfer E...593837152025-03-28 16:09:4033 secs ago1743178180IN
0xF60fADfb...FC808Fd61
0 AVAX0.000082461.2431603
Multi Transfer E...593836922025-03-28 16:09:031 min ago1743178143IN
0xF60fADfb...FC808Fd61
0 AVAX0.000084281.27062486
Multi Transfer E...593836772025-03-28 16:08:321 min ago1743178112IN
0xF60fADfb...FC808Fd61
0 AVAX0.000142431.12293136
Multi Transfer E...593836732025-03-28 16:08:281 min ago1743178108IN
0xF60fADfb...FC808Fd61
0 AVAX0.00007711.16236613
Multi Transfer E...593836532025-03-28 16:07:542 mins ago1743178074IN
0xF60fADfb...FC808Fd61
0 AVAX0.000076631.15529813
Multi Transfer E...593836492025-03-28 16:07:452 mins ago1743178065IN
0xF60fADfb...FC808Fd61
0 AVAX0.001586091.15529813
Multi Send593835692025-03-28 16:05:154 mins ago1743177915IN
0xF60fADfb...FC808Fd61
0.15 AVAX0.000048431
Multi Transfer E...593835662025-03-28 16:05:095 mins ago1743177909IN
0xF60fADfb...FC808Fd61
0 AVAX0.000179131
Multi Transfer E...593835582025-03-28 16:04:545 mins ago1743177894IN
0xF60fADfb...FC808Fd61
0 AVAX0.000167881
Multi Transfer E...593835372025-03-28 16:04:175 mins ago1743177857IN
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0 AVAX0.000167881
Multi Transfer E...593835282025-03-28 16:04:036 mins ago1743177843IN
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0 AVAX0.000241161.32655172
Multi Transfer E...593835192025-03-28 16:03:426 mins ago1743177822IN
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0 AVAX0.000241161.32655172
Multi Transfer E...593835162025-03-28 16:03:386 mins ago1743177818IN
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0 AVAX0.000085831.35951975
Multi Transfer E...593835052025-03-28 16:03:226 mins ago1743177802IN
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0 AVAX0.000245921.35074058
Multi Transfer E...593834992025-03-28 16:03:097 mins ago1743177789IN
0xF60fADfb...FC808Fd61
0 AVAX0.000203111.20983518
Multi Transfer E...593834902025-03-28 16:02:537 mins ago1743177773IN
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0 AVAX0.00008511.27587949
Multi Transfer E...593834852025-03-28 16:02:477 mins ago1743177767IN
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0 AVAX0.000225531.19853382
Multi Transfer E...593834702025-03-28 16:02:187 mins ago1743177738IN
0xF60fADfb...FC808Fd61
0 AVAX0.000237541.4149171
Multi Transfer E...593834682025-03-28 16:02:138 mins ago1743177733IN
0xF60fADfb...FC808Fd61
0 AVAX0.000095111.43392381
Multi Transfer E...593834662025-03-28 16:02:098 mins ago1743177729IN
0xF60fADfb...FC808Fd61
0 AVAX0.000256581.4308014
Multi Transfer E...593834532025-03-28 16:01:458 mins ago1743177705IN
0xF60fADfb...FC808Fd61
0 AVAX0.000239451.42633578
Multi Transfer E...593834432025-03-28 16:01:338 mins ago1743177693IN
0xF60fADfb...FC808Fd61
0 AVAX0.000254361.50041158
Multi Transfer E...593834342025-03-28 16:01:168 mins ago1743177676IN
0xF60fADfb...FC808Fd61
0 AVAX0.000296481.44289581
View all transactions

Latest 25 internal transactions (View All)

Parent Transaction Hash Block From To
593835692025-03-28 16:05:154 mins ago1743177915
0xF60fADfb...FC808Fd61
0.147 AVAX
593835692025-03-28 16:05:154 mins ago1743177915
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0.003 AVAX
593826352025-03-28 15:36:3833 mins ago1743176198
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0.882 AVAX
593826352025-03-28 15:36:3833 mins ago1743176198
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593813092025-03-28 14:58:051 hr ago1743173885
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593813092025-03-28 14:58:051 hr ago1743173885
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593807832025-03-28 14:42:121 hr ago1743172932
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0.00392 AVAX
593807832025-03-28 14:42:121 hr ago1743172932
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0.00008 AVAX
593806962025-03-28 14:39:511 hr ago1743172791
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0.0009604 AVAX
593806962025-03-28 14:39:511 hr ago1743172791
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0.0000196 AVAX
593806912025-03-28 14:39:441 hr ago1743172784
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0.04802 AVAX
593806912025-03-28 14:39:441 hr ago1743172784
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0.00098 AVAX
593806862025-03-28 14:39:311 hr ago1743172771
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0.049 AVAX
593806862025-03-28 14:39:311 hr ago1743172771
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593806242025-03-28 14:38:041 hr ago1743172684
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593806242025-03-28 14:38:041 hr ago1743172684
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593805322025-03-28 14:35:231 hr ago1743172523
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593805322025-03-28 14:35:231 hr ago1743172523
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593803872025-03-28 14:31:271 hr ago1743172287
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593803872025-03-28 14:31:271 hr ago1743172287
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593802102025-03-28 14:26:081 hr ago1743171968
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593802102025-03-28 14:26:081 hr ago1743171968
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593788332025-03-28 13:47:482 hrs ago1743169668
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10.3194 AVAX
593788332025-03-28 13:47:482 hrs ago1743169668
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0.2106 AVAX
593776302025-03-28 13:13:302 hrs ago1743167610
0xF60fADfb...FC808Fd61
0.00098 AVAX
View All Internal Transactions
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Contract Source Code Verified (Exact Match)

Contract Name:
ArenaMultiSend

Compiler Version
v0.8.25+commit.b61c2a91

Optimization Enabled:
Yes with 20000 runs

Other Settings:
cancun EvmVersion, MIT license
File 1 of 7 : ArenaMultiSend.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;

import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";

contract ArenaMultiSend is Ownable {
    using SafeERC20 for IERC20;

    address public feeWallet;
    uint256 public feePercentage;

    event MultiSend(address from, uint256 total);
    event MultiTransferERC20(address token, address from, uint256 total);
    event FeeUpdated(uint256 oldFeePercentage, uint256 newFeePercentage);
    event FeeWalletUpdated(address oldFeeWallet, address newFeeWallet);

    constructor(
        address _feeWallet,
        uint256 _feePercentage
    ) Ownable(msg.sender) {
        require(
            _feeWallet != address(0),
            "ArenaMultiSend: Fee wallet address cannot be the zero address"
        );
        require(
            _feePercentage < 10,
            "ArenaMultiSend: Fee percentage must be less than 10%"
        );
        feeWallet = _feeWallet;
        feePercentage = _feePercentage;
    }

    function multiSend(
        address payable[] calldata _receivers,
        uint256[] calldata _amounts
    ) external payable {
        require(
            _receivers.length == _amounts.length,
            "ArenaMultiSend: Input length mismatch"
        );

        uint256 totalToSend = 0;
        for (uint256 i = 0; i < _amounts.length; i++) {
            require(
                _receivers[i] != msg.sender,
                "ArenaMultiSend: Can't tip yourself"
            );
            require(
                _receivers[i] != address(0),
                "ArenaMultiSend: Address should be valid"
            );

            totalToSend += _amounts[i];
        }
        uint256 fee = (totalToSend * feePercentage) / (100 - feePercentage);

        require(
            msg.value >= (totalToSend + fee),
            "ArenaMultiSend: Pass enough value to multiSend"
        );

        (bool feeSuccess, ) = feeWallet.call{value: fee}("");
        require(feeSuccess, "ArenaMultiSend: Failed to transfer fee");

        for (uint256 i = 0; i < _receivers.length; i++) {
            (bool success, ) = _receivers[i].call{value: _amounts[i]}("");
            require(success, "ArenaMultiSend: Failed to send");
        }

        emit MultiSend(msg.sender, totalToSend + fee);
    }

    function multiTransferERC20(
        address _token,
        address payable[] calldata _receivers,
        uint256[] calldata _amounts
    ) external {
        require(
            _receivers.length == _amounts.length,
            "ArenaMultiSend: Input length mismatch"
        );
        IERC20 token = IERC20(_token);

        uint256 totalToSend = 0;
        uint256 userBalance = token.balanceOf(msg.sender);

        for (uint256 i = 0; i < _amounts.length; i++) {
            require(
                _receivers[i] != address(0),
                "ArenaMultiSend: Address should be valid"
            );

            totalToSend += _amounts[i];
        }

        uint256 fee = (totalToSend * feePercentage) / (100 - feePercentage);
        require(
            totalToSend + fee <= userBalance,
            "ArenaMultiSend: Insufficient token balance"
        );

        uint256 userAllowance = token.allowance(msg.sender, address(this));
        require(
            (totalToSend + fee) <= userAllowance,
            "ArenaMultiSend: Insufficient token allowance"
        );

        token.safeTransferFrom(msg.sender, feeWallet, fee);
        for (uint256 i; i < _receivers.length; i++) {
            token.safeTransferFrom(msg.sender, _receivers[i], _amounts[i]);
        }

        emit MultiTransferERC20(_token, msg.sender, totalToSend + fee);
    }

    function withdraw(uint256 _amount) external onlyOwner {
        (bool success, ) = payable(owner()).call{value: _amount}("");
        require(success, "ArenaMultiSend: Transfer failed!");
    }

    function withdrawToken(
        address _tokenContract,
        uint256 _amount
    ) external onlyOwner {
        IERC20 tokenContract = IERC20(_tokenContract);
        tokenContract.transfer(msg.sender, _amount);
    }

    function setFeeWallet(address _feeWallet) external onlyOwner {
        require(_feeWallet != address(0), "ArenaMultiSend: Invalid fee wallet");
        address _tmpFeeWallet = feeWallet;
        feeWallet = _feeWallet;
        emit FeeWalletUpdated(_tmpFeeWallet, _feeWallet);
    }

    function setFeePercentage(uint256 _feePercentage) external onlyOwner {
        require(
            _feePercentage < 10,
            "ArenaMultiSend: Fee percentage must be less than 10%"
        );
        uint256 _tmpFee = feePercentage;
        feePercentage = _feePercentage;

        emit FeeUpdated(_tmpFee, _feePercentage);
    }
}

File 2 of 7 : SafeERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "../extensions/IERC20Permit.sol";
import {Address} from "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    /**
     * @dev An operation with an ERC20 token failed.
     */
    error SafeERC20FailedOperation(address token);

    /**
     * @dev Indicates a failed `decreaseAllowance` request.
     */
    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data);
        if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0;
    }
}

File 3 of 7 : Ownable.sol
// 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);
    }
}

File 4 of 7 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

File 5 of 7 : IERC20Permit.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     *
     * CAUTION: See Security Considerations above.
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

File 6 of 7 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)

pragma solidity ^0.8.20;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error AddressInsufficientBalance(address account);

    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedInnerCall();

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert AddressInsufficientBalance(address(this));
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert FailedInnerCall();
        }
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {FailedInnerCall} error.
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert AddressInsufficientBalance(address(this));
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
     * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an
     * unsuccessful call.
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
     * revert reason or with a default {FailedInnerCall} error.
     */
    function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

    /**
     * @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.
     */
    function _revert(bytes memory returndata) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert FailedInnerCall();
        }
    }
}

File 7 of 7 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (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;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

Settings
{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "ds-test/=lib/openzeppelin-contracts/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 20000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": true,
  "libraries": {}
}

Contract Security Audit

Contract ABI

API
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Deployed Bytecode

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000002fe5da4d27ee12a8ca78d62f8922b90f074fd59a0000000000000000000000000000000000000000000000000000000000000002

-----Decoded View---------------
Arg [0] : _feeWallet (address): 0x2fe5DA4d27Ee12A8ca78D62F8922B90F074FD59a
Arg [1] : _feePercentage (uint256): 2

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000002fe5da4d27ee12a8ca78d62f8922b90f074fd59a
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000002


Block Transaction Gas Used Reward
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.