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0xA5F77B4f399A39221662E038BF8333c454B46a25
 

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Bulksend212302402024-11-20 16:48:353 days ago1732121315IN
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0.15295335 ETH0.0260851724.73837166
Bulksend212301852024-11-20 16:37:233 days ago1732120643IN
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0.08675556 ETH0.013154121.95508733
Bulksend212299302024-11-20 15:45:353 days ago1732117535IN
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0.18429776 ETH0.0266073116.16686319
Bulksend212083582024-11-17 15:35:116 days ago1731857711IN
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0.00901675 ETH0.0009586310.208248
Bulksend211929442024-11-15 11:57:478 days ago1731671867IN
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0.01822185 ETH0.0033171313.75891951
Bulksend211791682024-11-13 13:47:5910 days ago1731505679IN
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0.03642116 ETH0.0070922353.39856042
Bulksend211739262024-11-12 20:15:2310 days ago1731442523IN
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0.02067242 ETH0.0030476628.26705401
Bulksend211727452024-11-12 16:18:1111 days ago1731428291IN
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0.03833111 ETH0.0035407433.72166022
Bulksend211647522024-11-11 13:30:3512 days ago1731331835IN
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0.0196777 ETH0.0035511617.3228591
Bulksend211431542024-11-08 13:15:2315 days ago1731071723IN
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0.02551882 ETH0.0043250217.93945851
Bulksend211431332024-11-08 13:10:5915 days ago1731071459IN
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0.04437976 ETH0.0068277218.37594228
Bulksend211379622024-11-07 19:49:1115 days ago1731008951IN
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0.02516692 ETH0.0038428421.3492471
Bulksend211354092024-11-07 11:14:4716 days ago1730978087IN
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Bulksend211239652024-11-05 20:54:4717 days ago1730840087IN
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0.0433108 ETH0.006601116.3097344
Bulksend211220602024-11-05 14:31:2318 days ago1730817083IN
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0.07397012 ETH0.0099407812.06464473
Bulksend211217282024-11-05 13:24:4718 days ago1730813087IN
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0.07776625 ETH0.009610125.41019002
Bulksend211146492024-11-04 13:41:3519 days ago1730727695IN
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0.04173225 ETH0.00545454.62460232
Bulksend211074762024-11-03 13:40:5920 days ago1730641259IN
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0.09861561 ETH0.014799219.42134764
Bulksend210802062024-10-30 18:21:2324 days ago1730312483IN
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0.0159971 ETH0.0029872914.57223232
Bulksend210715322024-10-29 13:16:5925 days ago1730207819IN
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0.01844133 ETH0.002840919.74111428
Bulksend210577562024-10-27 15:07:4727 days ago1730041667IN
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0.05526047 ETH0.008628139.56754818
Bulksend210301882024-10-23 18:49:3531 days ago1729709375IN
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0.01879844 ETH0.0016524717.59672493
Bulksend210293052024-10-23 15:52:2331 days ago1729698743IN
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0.01924658 ETH0.0038896629.28852177
Bulksend210213772024-10-22 13:20:1132 days ago1729603211IN
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0.02302095 ETH0.003363210.73571076
Bulksend210213222024-10-22 13:08:5932 days ago1729602539IN
0xA5F77B4f...454B46a25
0.04931323 ETH0.0077221510.38568194
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212302402024-11-20 16:48:353 days ago1732121315
0xA5F77B4f...454B46a25
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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212302402024-11-20 16:48:353 days ago1732121315
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0.00472177 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
FreeBulkSender

Compiler Version
v0.8.16+commit.07a7930e

Optimization Enabled:
Yes with 1000000 runs

Other Settings:
default evmVersion
File 1 of 5 : FreeBulkSender.sol
pragma solidity 0.8.16;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

/**
 * @title BulkSender MultiSender, support ETH and ERC20 Tokens, send ether or erc20 token to multiple addresses in batch
 * @dev To Use this Dapp: https://bulksender.app
*/

contract FreeBulkSender {
    event Bulksend(address[] _tos, uint256[] _values);
    event BulksendToken(IERC20 indexed token, address[] _tos, uint256[] _values);
    event BulksendTokens(IERC20[] tokens, address[] _tos, uint256[] _values);

    /*
        Send ether with the different value by a explicit call method
    */
    function bulksend(address[] calldata _tos, uint[] calldata _values) payable external {
        require(_tos.length == _values.length, "Wrong lengths");

        uint remainingValue = msg.value;

        for (uint256 i; i < _tos.length;) {
            remainingValue = remainingValue - _values[i];

            (bool result, ) = _tos[i].call{value: _values[i]}("");
            require(result, "Failed to send Ether");

            unchecked {
                ++i;
            }
        }

        if (remainingValue > 0) {
            (bool result, ) = msg.sender.call{value: remainingValue}("");
            require(result, "Failed to send Ether");
        }

        emit Bulksend(_tos, _values);
    }

    /*
        Send coin with the different value by a explicit call method
    */
    function bulksendToken(
        IERC20 _token,
        address[] calldata _tos,
        uint256[] calldata _values
    ) external {
        require(_tos.length == _values.length, "Wrong lengths");

        for (uint256 i; i < _tos.length;) {
            SafeERC20.safeTransferFrom(_token, msg.sender, _tos[i], _values[i]);

            unchecked {
                ++i;
            }
        }

        emit BulksendToken(_token, _tos, _values);
    }

    function bulksendTokens(
        IERC20[] calldata _tokens,
        address[] calldata _tos,
        uint256[] calldata _values
    ) external {
        require(_tokens.length == _values.length, "Wrong lengths");
        require(_tos.length == _values.length, "Wrong lengths");

        for (uint256 i; i < _tos.length;) {
            SafeERC20.safeTransferFrom(_tokens[i], msg.sender, _tos[i], _values[i]);

            unchecked {
                ++i;
            }
        }

        emit BulksendTokens(_tokens, _tos, _values);
    }
}

File 2 of 5 : SafeERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../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;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @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, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

File 3 of 5 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @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 amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

    /**
     * @dev Moves `amount` 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 amount) 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 `amount` 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 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` 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 amount
    ) external returns (bool);
}

File 4 of 5 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @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://diligence.consensys.net/posts/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/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @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, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * 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.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @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`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // 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(errorMessage);
            }
        }
    }
}

File 5 of 5 : draft-IERC20Permit.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @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.
 */
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].
     */
    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);
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address[]","name":"_tos","type":"address[]"},{"indexed":false,"internalType":"uint256[]","name":"_values","type":"uint256[]"}],"name":"Bulksend","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IERC20","name":"token","type":"address"},{"indexed":false,"internalType":"address[]","name":"_tos","type":"address[]"},{"indexed":false,"internalType":"uint256[]","name":"_values","type":"uint256[]"}],"name":"BulksendToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"contract IERC20[]","name":"tokens","type":"address[]"},{"indexed":false,"internalType":"address[]","name":"_tos","type":"address[]"},{"indexed":false,"internalType":"uint256[]","name":"_values","type":"uint256[]"}],"name":"BulksendTokens","type":"event"},{"inputs":[{"internalType":"address[]","name":"_tos","type":"address[]"},{"internalType":"uint256[]","name":"_values","type":"uint256[]"}],"name":"bulksend","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_token","type":"address"},{"internalType":"address[]","name":"_tos","type":"address[]"},{"internalType":"uint256[]","name":"_values","type":"uint256[]"}],"name":"bulksendToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20[]","name":"_tokens","type":"address[]"},{"internalType":"address[]","name":"_tos","type":"address[]"},{"internalType":"uint256[]","name":"_values","type":"uint256[]"}],"name":"bulksendTokens","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Deployed Bytecode

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