ETH Price: $3,388.24 (-1.55%)
Gas: 2 Gwei

Contract

0xC741900276CD598060b0FE6594FbE977392928f4
 

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Eth Value

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Transaction Hash
Method
Block
From
To
Value
Transfer Token201963192024-06-29 9:02:234 hrs ago1719651743IN
0xC7419002...7392928f4
0 ETH0.000145022.21679572
Transfer Token201955302024-06-29 6:23:356 hrs ago1719642215IN
0xC7419002...7392928f4
0 ETH0.000155192.37266167
Transfer Token201955232024-06-29 6:22:116 hrs ago1719642131IN
0xC7419002...7392928f4
0 ETH0.000145942.23134193
Transfer Token201934022024-06-28 23:14:5913 hrs ago1719616499IN
0xC7419002...7392928f4
0 ETH0.000123071.88239596
Transfer Token201914732024-06-28 16:47:2320 hrs ago1719593243IN
0xC7419002...7392928f4
0 ETH0.000589589.01376244
Transfer Token201907092024-06-28 14:13:2322 hrs ago1719584003IN
0xC7419002...7392928f4
0 ETH0.000489227.47835506
Transfer Token201895832024-06-28 10:27:2326 hrs ago1719570443IN
0xC7419002...7392928f4
0 ETH0.000387675.93136138
Transfer Token201890972024-06-28 8:49:5928 hrs ago1719564599IN
0xC7419002...7392928f4
0 ETH0.000279264.27134123
Transfer Token201888622024-06-28 8:02:4729 hrs ago1719561767IN
0xC7419002...7392928f4
0 ETH0.000322324.92712594
Transfer Token201884322024-06-28 6:36:2330 hrs ago1719556583IN
0xC7419002...7392928f4
0 ETH0.000206433.15747068
Transfer Token201883492024-06-28 6:19:3530 hrs ago1719555575IN
0xC7419002...7392928f4
0 ETH0.000206063.15179839
Transfer Token201873352024-06-28 2:55:4734 hrs ago1719543347IN
0xC7419002...7392928f4
0 ETH0.000386345.90918756
Transfer Token201865762024-06-28 0:22:5936 hrs ago1719534179IN
0xC7419002...7392928f4
0 ETH0.00027524.20930492
Transfer Token201864662024-06-28 0:00:4737 hrs ago1719532847IN
0xC7419002...7392928f4
0 ETH0.000276154.02238934
Transfer Token201864652024-06-28 0:00:3537 hrs ago1719532835IN
0xC7419002...7392928f4
0 ETH0.000255033.90078509
Transfer Token201858872024-06-27 22:03:4739 hrs ago1719525827IN
0xC7419002...7392928f4
0 ETH0.000488517.47200469
Transfer Token201857192024-06-27 21:30:1139 hrs ago1719523811IN
0xC7419002...7392928f4
0 ETH0.000305034.66492369
Transfer Token201854202024-06-27 20:29:4740 hrs ago1719520187IN
0xC7419002...7392928f4
0 ETH0.000409896.26938804
Transfer Token201854002024-06-27 20:25:4740 hrs ago1719519947IN
0xC7419002...7392928f4
0 ETH0.000416266.36585932
Transfer Token201851052024-06-27 19:26:3541 hrs ago1719516395IN
0xC7419002...7392928f4
0 ETH0.0007243311.07715231
Transfer Token201847872024-06-27 18:22:3542 hrs ago1719512555IN
0xC7419002...7392928f4
0 ETH0.0008654613.22953447
Transfer Token201847322024-06-27 18:11:3542 hrs ago1719511895IN
0xC7419002...7392928f4
0 ETH0.0011402217.42949366
Transfer Token201845992024-06-27 17:44:4743 hrs ago1719510287IN
0xC7419002...7392928f4
0 ETH0.0016572225.3324099
Transfer Token201842152024-06-27 16:27:4744 hrs ago1719505667IN
0xC7419002...7392928f4
0 ETH0.0011072916.93635203
Transfer Token201841352024-06-27 16:11:3544 hrs ago1719504695IN
0xC7419002...7392928f4
0 ETH0.0010225715.63111001
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Latest 25 internal transactions (View All)

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Parent Transaction Hash Block From To Value
201972292024-06-29 12:05:3558 mins ago1719662735
0xC7419002...7392928f4
0.001986 ETH
201972292024-06-29 12:05:3558 mins ago1719662735
0xC7419002...7392928f4
0.001986 ETH
201970532024-06-29 11:29:471 hr ago1719660587
0xC7419002...7392928f4
0.0016881 ETH
201970532024-06-29 11:29:471 hr ago1719660587
0xC7419002...7392928f4
0.0016881 ETH
201969512024-06-29 11:09:231 hr ago1719659363
0xC7419002...7392928f4
0.00388004 ETH
201969512024-06-29 11:09:231 hr ago1719659363
0xC7419002...7392928f4
0.00388004 ETH
201968522024-06-29 10:49:232 hrs ago1719658163
0xC7419002...7392928f4
0.001986 ETH
201968522024-06-29 10:49:232 hrs ago1719658163
0xC7419002...7392928f4
0.001986 ETH
201966532024-06-29 10:09:352 hrs ago1719655775
0xC7419002...7392928f4
0.005 ETH
201966532024-06-29 10:09:352 hrs ago1719655775
0xC7419002...7392928f4
0.005 ETH
201959492024-06-29 7:47:475 hrs ago1719647267
0xC7419002...7392928f4
0.0029925 ETH
201959492024-06-29 7:47:475 hrs ago1719647267
0xC7419002...7392928f4
0.0029925 ETH
201957782024-06-29 7:13:115 hrs ago1719645191
0xC7419002...7392928f4
2.857274 ETH
201957782024-06-29 7:13:115 hrs ago1719645191
0xC7419002...7392928f4
2.857274 ETH
201956852024-06-29 6:54:356 hrs ago1719644075
0xC7419002...7392928f4
0.0993 ETH
201956852024-06-29 6:54:356 hrs ago1719644075
0xC7419002...7392928f4
0.0993 ETH
201944662024-06-29 2:49:3510 hrs ago1719629375
0xC7419002...7392928f4
0.00265643 ETH
201944662024-06-29 2:49:3510 hrs ago1719629375
0xC7419002...7392928f4
0.00265643 ETH
201942562024-06-29 2:07:3510 hrs ago1719626855
0xC7419002...7392928f4
0.0499 ETH
201942562024-06-29 2:07:3510 hrs ago1719626855
0xC7419002...7392928f4
0.0499 ETH
201931792024-06-28 22:29:5914 hrs ago1719613799
0xC7419002...7392928f4
0.01028003 ETH
201931792024-06-28 22:29:5914 hrs ago1719613799
0xC7419002...7392928f4
0.01028003 ETH
201927152024-06-28 20:57:1116 hrs ago1719608231
0xC7419002...7392928f4
0.001986 ETH
201927152024-06-28 20:57:1116 hrs ago1719608231
0xC7419002...7392928f4
0.001986 ETH
201927082024-06-28 20:55:4716 hrs ago1719608147
0xC7419002...7392928f4
0.0023832 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
OrbiterXRouter

Compiler Version
v0.8.19+commit.7dd6d404

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license
File 1 of 8 : OrbiterXRouter.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

/**
 * @title OrbiterXRouterV3
 * @dev A contract for batch transfers of Ether and tokens to multiple addresses.
 */
contract OrbiterXRouter {
    using SafeERC20 for IERC20;
    bool private locked;
    event Transfer(address indexed to, uint256 amount);

    /**
     * @dev Modifier to prevent reentrancy attacks.
     */
    modifier nonReentrant() {
        require(!locked, "Reentrant call");
        locked = true;
        _;
        locked = false;
    }

    /**
     * @dev Batch transfers Ether to multiple addresses.
     * @param tos The array of destination addresses.
     * @param values The array of corresponding amounts to be transferred.
     */
    function transfers(
        address[] calldata tos,
        uint[] memory values
    ) external payable nonReentrant {
        require(tos.length == values.length, "Destination and amount arrays length mismatch");
        uint total = msg.value;
        uint value;
        for (uint i = 0; i < tos.length; i++) {
            value = values[i];
            require(total >= value, "Insufficient Balance");
            total -= value;
            payable(tos[i]).transfer(value);
            emit Transfer(tos[i], value);
        }
        require(total == 0, "There are many extra costs");
    }

    /**
     * @dev Batch transfers tokens to multiple addresses.
     * @param token The token contract address.
     * @param tos The array of destination addresses.
     * @param values The array of corresponding amounts to be transferred.
     */
    function transferTokens(
        IERC20 token,
        address[] calldata tos,
        uint[] memory values
    ) external payable nonReentrant {
        require(msg.value == 0, "Ether not accepted");
        require(tos.length == values.length, "Destination and amount arrays length mismatch");
        for (uint i = 0; i < tos.length; i++) {
            token.safeTransferFrom(msg.sender, tos[i], values[i]);
        }
    }

    /**
     * @dev Transfer Ether to a specified address.
     * @param to The destination address.
     * @param data Optional data included in the transaction.
     */
    function transfer(
        address to,
        bytes calldata data
    ) external payable nonReentrant {
        payable(to).transfer(msg.value);
        emit Transfer(to, msg.value);
    }

    /**
     * @dev Transfer tokens to a specified address.
     * @param token The token contract address.
     * @param to The destination address.
     * @param value The amount of tokens to be transferred.
     * @param data Optional data included in the transaction.
     */
    function transferToken(
        IERC20 token,
        address to,
        uint value,
        bytes calldata data
    ) external payable nonReentrant {
        require(msg.value == 0, "Ether not accepted");
        token.safeTransferFrom(msg.sender, to, value);
    }
}

File 2 of 8 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

File 3 of 8 : 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);
}

File 4 of 8 : 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 5 of 8 : SafeERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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 6 of 8 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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 functionCallWithValue(target, data, 0, "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");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or 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 {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) 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(errorMessage);
        }
    }
}

File 7 of 8 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

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

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

File 8 of 8 : OBSource.sol
//SPDX-License-Identifier: Unlicense
pragma solidity ^0.8.19;

import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/utils/Context.sol";

contract OBSource is ReentrancyGuard, Context {
    function transfer(address payable _to, bytes calldata _ext)
        public
        payable
        nonReentrant
    {
        (bool sent, ) = _to.call{value: msg.value}("");
        require(sent, "ERROR");
    }

    function transferERC20(
        IERC20 _token,
        address _to,
        uint256 _amount,
        bytes calldata _ext
    ) external nonReentrant {
        bool sent = _token.transferFrom(msg.sender, _to, _amount);
        require(sent, "ERROR");
    }
}

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

Contract Security Audit

Contract ABI

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"transfer","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"token","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"transferToken","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":"transferTokens","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address[]","name":"tos","type":"address[]"},{"internalType":"uint256[]","name":"values","type":"uint256[]"}],"name":"transfers","outputs":[],"stateMutability":"payable","type":"function"}]

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Swarm Source

ipfs://64d328724d6d8f2270307b4d727aaab07038dca99b27d989041f396aa09641b1

Block Transaction Difficulty Gas Used Reward
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Block Uncle Number Difficulty Gas Used Reward
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Validator Index Block Amount
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Transaction Hash Block Value Eth2 PubKey Valid
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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.